Troubleshooting Guide and Service Manual
Contents
1. Rotary Joint Assembly Driver 38 Replacement Procedures Rotary Joint Push In Style Removal 1 Remove the jam nut from the rotary joint s bulkhead adapter and remove the hubcap 2 Place two screwdrivers 180 degrees apart with the blades under the lip of the rubber collar and over the metal lip of the rotary joint s body L A Insert Screwdrivers Under Rubber Collar Lip 3 Push the screwdrivers toward the trailer prying the rotary joint assembly out of the spindle bore The rotary joint will then be held in place only by the clamp on the braided hose assembly Pry Rotary Joint Assembly Out of Spindle 4 Cutthe clamp and remove the rotary joint assembly from the braided hose 39 Installation 1 Assemble Rubber Collar a See AX G 0025 for part number information b Install appropriate rubber collar over flexible tube from outboard side of rotary joint aligning Top Notch on collar with flat on joint A CAUTION Make sure the label and part number face out Note Before installing rotary joint assemblies install hubs and drums according to manufacturer s specifications After installing rotary joint assemblies a hubcap spacer may be required if using Pro Torgue nuts Top Notch Replacement Procedures 2 Clamp Axle Hose a Install stepless ear clamp onto end of axle hose b Push barbed end of rotary joint into end of axle2. Service Codes Code 12 Tire Pressure Low Reading Inspect for damaged tires See Pressure Check below Check tire hoses for leaking fittings at valve stems See Leak Check Tips below Damaged tires or loose fittings No Is tire pressure low Connect power and air source to trailer Inspect lines fittings axle components for large leaks See Leak Check Tips below Pressure Check e If not using the Diagnostic Tool Reduce the tire pressure of one tire by 5 psi Allow the system to re inflate the tire Check for leaks during the inflation Use the Diagnostic Tool to initiate a pressure check and hold Summary Code 12 is set when the system reads tire pressure more than 10 typical low The most likely cause is a low tire A secondary cause may be a significant control line leak Repair as required Clear historical codes and retest system for proper operation Locate leaking check valve Leave tire hoses connected to tire valve stems Remove tire hoses one at a time from hubcap fitting Place hose fitting in a cup of water and watch for bubbles Air leaking from tire hose assembly Repeat on remaining wheel ends until leak is found Yes Repair or replace tire hose assembly Clear historical codes and retest system for proper operation Leak Check Tips External Lines and Fittings Diagnose with a soap and water solu
3. Is the integrated controller a Bendix TABS6 Yes Disconnect harness Bendix TABS6 ECU PCU from ECU and PCU Harness Connector Harness Connector 15 A 4 B Cc o CD m Oo no CA No Check for open circuits between any of the following pairs of terminals Is either measurement open Repair or replace Clear historical codes Yes damaged harness and retest system for as required proper operation Dana ECU Harness PCU Harness Connector Connector 8 A 3 B No Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation 30 Service Codes Code 64 Supply Solenoid Shorted Summary Code 64 is set when a short in the PCU supply solenoid or associated wiring is detected This is typically the result of damaged wiring or connectors e Disconnect wiring harness at PCU solenoids connector Cycle power and check service codes Note This will result in service codes 63 and 65 open circuit which should be ignored Is service code 64 short circuit still active Ne Replace PCU Clear historical codes and retest system for proper operation Yes Disconnect power from trailer Disconnect harness from ECU Check the wire harness for short circuit between PCU solenoid connector terminals A and B Is the harness shorted Ve Repair or replace damaged Cl
4. 2 Disconnect tire hose from valve stems Note There will be no tire pressure air loss since a check valve is located in the tire hoses 3 Cover plug the hubcap fitting to prevent contami nation from entering the system 4 Observe and record the orientation of the wheel to the hub before removal of the wheel see below 5 Remove wheel Clock A 5 Hole Wheel Installation 17 5 or 22 5 Wheel 35 Clock B 5 Hole Wheel Installation 19 5 or 24 5 Wheel Installation 1 Reinstall the wheel Take care not to damage the hubcap fitting Make sure the wheel is properly ori ented to the hub as recorded in Removal step 4 2 Reinstall inner tire hose at valve system if previously removed Tighten with fingers 3 Reinstall outer tire hose and finger tighten 4 Tighten the inverted flare nut finger tight Tighten with a wrench an additional 1 4 turn 5 Power up trailer and check hoses for leaks A CAUTION Do not over tighten Using pliers to tighten the tire hoses to the valve stem or T assembly may damage the gasket caus ing a leak Ensure tire hoses are NOT stretched or rubbing on the wheel or hub Clock C 2 Hole Wheel Installation any size Wheel Replacement Procedures Check Valve at Valve Stem 90 Fitting for Super Singles Check Ne Valve ec N T Fitting Outer Wheel Hose For Duals Assembly Inner Wheel Hose Assembly Check Valve at T Fitting 90 Fitting
5. Allow the system to re inflate the tire Check for leaks during the inflation Yes Repair as required Repair as required Replace PCU Summary Code 14 is set when the system detects a significant drop in control line pressure This is typically caused by a control line leak between the PCU and wheel end including the rotary joint A secondary cause may be a very low tire Clear historical codes and retest system for proper operation Clear historical codes and retest system for proper operation Clear historical codes and retest system for proper operation Leak Check Tips External Lines and Fittings Diagnose with a soap and water solution sprayed on them while the system is pressurized Internal Axle Components e Dip axle vent tubes in a container of water e Inspect for bubbles Note The presence of bubbles indicates an internal air leak from a failed connection rotary joint etc 12 Service Codes Code 15 Supply Pressure Low If service code 44 is active troubleshoot it first Verify that air supply pressure at PCU is greater than the tire target pressure See Pressure Check and Leak Check Tip below Adeguate supply pressure Yes Check for audible leakage at the PCU vent Are there leaks No Yes Verify the wire harness is plugged into the pressure sensor on the PCU Remove power from trailer e Disconnect TIMS wiring harness at ECU and pressur
6. Lamp Shorted 29 Code 63 Supply Solenoid Open 30 Code 64 Supply Solenoid Shorted 31 Code 65 Control Solenoid Open Circuit 32 Code 66 Control Solenoid Shorted 33 Replacement Procedures WRG Tire THOSE ii oe ta 8 35 UA UE ly n dac ogy Ga PEMA VA NAKE a 37 Rotary Joint Drive In Style 38 Push In Style 39 O DUAL PUG ii WA 41 PONG OSC EN EN O RE OO E 42 Axle Vent Installation 43 Pneumatic Control Unit PCU 45 Electronic Control Unit ECU N Se e eine at iara a abe 2 aa ate re ges Ae Aita a ate a E 47 Bendix TABS6 ECU 47 Pressure Sensor 49 Wire Harness TINA Sie minta eat E ae ea inta tt tt id ats 51 Bendix TABS6EGCU 53 Service Procedures Setting Tire Pressure Target 55 System Learn Method 55 Service Tool Method 56 PCU Air Filter Replacement Injection Molded Body 57 Aluminum Body 58 Wire Harness Electrical Schematic 59 si o CD La La p oja CD oja mM General Information Overview of Tire Inflation and Monitor System TIMS Air flows from the air tank O ECU PCU controls syst
7. cont d Check for short circuits between any of the following pairs of terminals Pressure Sensor Pressure Sensor Harness Connector Harness Connector measurements shorted Repair or replace Clear historical codes and retest wiring as reguired system for proper operation No Does fault occur again Complete Z Yes Check air line plumbing lengths per installation guide AXIG 0025 Are the control line lengths as specified Z Replumb as required to Clear historical codes and retest specifications system for proper operation Yes Replace PCU Does fault occur again No Complete Yes Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation 11 Service Codes Code 14 Line Leak If service code 12 is active troubleshoot it first Connect power and air Pressurize the air lines See Pressure Check below Inspect lines fittings and axle components for leakage See Leak Check Tips below Leakage No Check for crushed or kinked control lines Restriction Yes No Check PCU for leakage at exhaust port while inflating Leakage Yes No Clear historical codes and retest system for proper operation Pressure Check e Use the Diagnostic Tool to initiate a pressure check and hold e If not using the Diagnostic Tool Reduce the tire pressure of one tire by 5 psi
8. detect leaks e Access troubleshooting flowcharts and service procedures To use this program an RP1210A compatible interface box and cables are needed to connect the PC to the vehicle For these types of interface boxes to work with the Dana Diagnostic Tool program you must install a RP1210 driver program provided by the manufacturer of the interface box If you do not have this program it can normally be obtained from the manufacturer s web site Please contact the manufacturer of your interface box if you have any questions regarding this process Connect to diagnostic connector Attach computer to RP1210A communications box Download free Dana Diagnostic Tool from roadranger com Note Program requires Windows 98 or newer AD Ya na zra Cien KA gra s Caution Test Mode wili allow we pressures to go past preset miks m xd VA v i ESCA EMC STATE i Waning Lamo Kea i Lo NUJ UN TOSSES gt DS IS NE IS ao A RAS ev OSS SESS SS SOS gt Follow on screen instructions i la a Service Codes Code 11 Leaking Tire Summary Code 11 is set when the system repeatedly Inspect tires for damage or slow leaks Check inilates a low tire This is typically caused by tire hoses for loose fittings at valve stems a slow leak in a tire wheel assembly or tire hose If the t
9. hose until hose bottoms on the rotary joint body c Use crimping tool Oetiker pliers to squeeze ear clamp fastening hose to rotary joint Braided Hose Cutting Tool Cut Clamp and Remove Rotary Joint Assembly A CAUTION Push only on face of rotary joint where it meets the rubber collar Do not use a hammer Do not push on the brass air tube 3 Push Assembly Into Axle a Apply lubricant to inside of axle spindle to ensure proper installation b Orient the flat on the rotary joint body located near the clamp to the flat in the hole of the spindle plug and push the rotary joint assembly into the axle c The assembly is seated when the outer lip of the rubber collar is almost flush with the end of the Spindle Press ONLY here when inserting axle end 4 Verify Proper Installation a Using fingers only pull firmly straight out on brass tube at the center of the rotary joint A properly installed and seated rotary joint will not pull out Grasp brass colored tube at center as illustrated Pull firmly straight out to verify proper installation 40 oma D lt cc 9 T J A 5 W oa CD Replacement Procedures Spindle Plug Note Spindle plug is only used with Push In Style rotary Note The driver regulates the correct installation depth joints 4 Refer to these sections to complete assembly of wheel end Removal 1 Remo
10. pressure sensor connector Connectar OUT line 6 Disconnect air IN line and mark hose 9 Test for air leaks at air IN and air OUT locations by 7 Disconnect air OUT line and mark hose using soapy water 8 Unbolt PCU 2 bolts from bracket Note Air will not leak at OUT location unless system is pres Surized 45 Replacement Procedures Injection Molded Body Pressure Sensor Connector ge ya Lh h Pressure Sensor Di 4 Air OUT a V N a Air IN Mounting Bolt Solenoid Connector ra Pressure Sensor Connector a Pressure Sensor a Bolt lt a pie irita Se N N N R P Connector A Air IN Fitting 46 Y CD mm tati c2 co oja 9 cm Replacement Procedures Electronic Control Unit EGU A CAUTION When replacing early model EGU part number 676474 the pressure sensor part numbers 673221 or 676505 black connector must be replaced with pressure sensor part number 676495 tan connector TIMS Removal 1 Disconnect trailer power 2 Injection Molded Body Only Unbolt PCU 2 bolts from bracket 3 Disconnect ECU connector 4 Unbolt ECU 2 bolts from bracket TIMS Installation 1 Install replacement ECU and torque to 60 Ibs in 2 Connect ECU connector 3 Injection Molded Body Only Reinstall PCU Torque to 100 Ibs in 4 Set tire pressure target See Setting Tire Pressure Target on page 55 47 Bendix TABS6 E
11. pressure target See Setting Tire Pressure Target Retest system for proper operation 26 Service Codes Code 45 Low Voltage A CAUTION A battery charger is not an adeguate source of power Verify trailer is properly powered minimum 9 volts Remove power from trailer Disconnect TIMS wiring harness at ECU Inspect wire harness for obvious corrosion or damage e Apply power to trailer e Measure voltage between ECU harness connector pin 3 power and pin 7 ground Is the voltage gt 9 volts No Check connections at ABS 5 pin pass through connectors and or replace harness as required 27 Replace ECU and set tire pressure target See Setting Tire Pressure Target Summary Code 45 is set when the ECU senses the voltage is too low to properly turn the PCU solenoids on Service Codes Code 55 End of Service Code List Summary Code 55 indicates the end of the service code list when blinking out the codes If only a 55 is blinked out there are no active codes Cc CD m sa OI OI OI 28 Service Codes Code 62 Lamp Shorted 29 Summary Code 62 is set when the system detects a short in the warning lamp circuit This is typically the result of faulty lamp wiring Disconnect lamp wire at bullet connector on TIMS harness near ABS connector Cycle power and check service codes with diagnostic tool Repair or replace
12. valve stems e Remove tire hoses one at a time from hubcap fitting Place hose fitting in a cup of water and watch for bubbles Air leaking from tire hose assembly Repeat on remaining wheel ends until leak is found Yes Repair or replace tire hose assembly Clear historical codes and retest system for proper operation 17 Service Codes Code 17 System Vent Failure cont d Verify the wire harness is plugged into the pressure sensor on the PCU Remove power from trailer Disconnect TIMS wiring harness at ECU and pressure sensor Inspect wire harness for obvious corrosion or damage Check for open circuits between any of the following pairs of terminals Is the integrated controller a Bendix TABS6 Bendix TABS6 ECU Pressure Sensor Harness Connector Harness Connector Check for open circuits between any of the following pairs of terminals Are any Repair or Clear historical codes measurements replace wiring and retest system for open as regulred proper operation Dana ECU Harness Pressure Sensor Connector Harness Connector Check for short circuits between any of the following pairs of terminals Pressure Sensor Pressure Sensor Harness Connector Harness Connector Are any measurements shorted Repair or Clear historical codes Yes replace wiring and retest system for as regulred proper operation 18 Service Codes Code
13. 17 System Vent Failure cont d Replace pressure sensor and retest for proper operation Does fault occur again No Complete Yes Check air line plumbing lengths per installation guide AX G 0025 Are the control line lengths as specified Ne Replumb as necessary Clear historical codes and retest to specifications system for proper operation Yes Clear historical codes and retest system for proper operation Replace PCU Does fault occur again No Complete Yes Replace ECU and set tire pressure target See Setting Tire Pressure Target 19 Service Codes Code 21 Target Out of Range Summary Code 21 is set when the Target Learn Method is used and the system senses tire pressure s out of the acceptable target range typically 80 125 psi See Setting Tire Pressure Target S la Mape a Note The system will read the pressure of the lowest tire one or more tire pressures below the minimum target will set this code Follow the Setting Tire Pressure Target procedure to set tire target pressure in ECU Is any tire below minimum target pressure of 80 psi Repair as reguired and inflate to desired tire pressure target No Follow the Setting Tire Pressure Target procedure to set tire target pressure in ECU Are all tires above maximum target pressure of 125 psi Repair as requir
14. CU Removal 1 See Bendix Service Manual for instructions on removing TABS6 ECU Bendix TABS6 ECU Installation 1 See Bendix Service Manual for instructions on installing TABS6 ECU 2 Set tire pressure target See Setting Tire Pressure Target on page 55 A o E T O O na O m fab O S o cc o CO D gt ECU Connector Injection Molded Body Electronic Control Unit Mounting Bolt Aluminum Body Mounting Bolt ECU 48 Replacement Procedures Pressure Sensor Removal 1 Disconnect trailer power 2 Drain supply tank A WARNING Drain off supply air tank before removing any fittings 3 Injection Molded Body Only a Disconnect solenoid connector b Remove plastic PCU cover 4 Disconnect pressure sensor connector 5 Remove old pressure sensor from PCU 49 Installation 1 Apply paste type thread sealant on replacement pressure sensor and install e Injection Molded Body Torque sensor to 100 Ibs in e Aluminum Body Torque sensor to 230 Ibs in A WARNING Do not use thread sealant tape 2 Connect pressure sensor connector 3 Injection Molded Body Only a Install plastic PCU cover b Connect solenoid connector 4 Power up trailer 5 Verify warning lamp operation m fab rama UD fab eb o ama O m f o eb eb S o CC Pressure Sensor Pressur
15. Harness Connector Are any measurements shorted Repair or Clear historical codes Yes replace wiring and retest system for as reguired proper operation No Does fault occur again No Complete Yes Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation 16 Service Codes Code 17 System Vent Failure Summary Code 17 is set when the system detects that the control lines did not depressurize vent correctly This is typically caused by a contaminated or faulty check valve ina tire hose Note This code can result from incorrect TEVEN o RIS ORE a ECU wiring harness combination To verify e Connect air and power e Listen for burst of air at PCU exhaust when system vents compatibility check Illustrated Parts List System will vent either when the pressure check completes OR AXIPO025 when power is removed Inspect PCU exhaust for Audible vent N contamination undercoating paint ice etc Contaminates found Yes Test for check valve leaks e Disconnect power from trailer 6 Disconnect control line at OUT port of PCU and place end of control line in a cup of water and watch for bubbles Clean as necessary Clear historical codes and retest system for proper operation Air leaking from control line Yes Locate leaking check valve e Leave tire hoses connected to tire
16. Lamp Wire Bullet Connector Power Supply Connector Diagnostic Connector CD S N oY 3 i P N ECU Connector Aluminum Body 52 Replacement Procedures Wire Harness Bendix TABS6 ECU Removal Installation 1 Disconnect trailer power 1 Connect pressure sensor connector 2 Disconnect solenoid connector 2 Install plastic PCU cover 3 Remove plastic PCU cover 3 Connect solenoid connector 4 Disconnect pressure sensor connector 4 Install rest of harness per Bendix recommendations 5 Remove rest of harness per Bendix 5 Secure harness as required on slider applications recommendations allow for slider operation N G V Pressure Sensor Connector sli S Pressure Sensor II d MO SS aX 18 PCU Cover Cy S 53 Replacement Procedures This page intentionally left blank zli CD m z Q kma CD m N DI cD gt lt 54 Service Procedures Setting Tire Pressure Target After replacing the ECU use one of the following two methods to set the cold temperature tire pressure target before using the trailer System Learn Method All tire pressures are set and the system reads the tire pressure target Service Tool Method A PC based or handheld service tool is used to download the tire pressure target over the data link Note The trailer warning lamp will stay on at power up to indicate the target pressure has not
17. an Spicer TIMS Tire Inflation and Monitor System for Trailers Roadranger More time on the road Troubleshooting Guide and Service Manual AXTS0025 January 2007 General Information Warnings and Cautions The descriptions and specifications contained in this service Any reference to brand name in this publication is made as an publication are current at the time of printing example of the types of tools and materials recommended for use and should not be considered an endorsement Eguiva Dana Corporation reserves the right to discontinue or modify lents may be used its models and or procedures and to change specifications at any time without notice IMPORTANT NOTICE This symbol is used throughout this WARNING Failure to follow indicated manual to call attention to procedures procedures creates a high risk of personal where carelessness or failure to follow injury to the servicing technician Specific instructions may result in personal injury and or component CAUTION Failure to follow indicated damage procedures may cause component damage or malfunction Departure from the instructions choice of tools materials and recommended IMPORTANT Highly recommended parts mentioned in this publication procedures for proper service of this unit may jeopardize the personal safety of the service technician or vehicle Note Additional service information not operator covered in the service procedures Tip Help
18. an target pressure verify all 7 tires are set at target pressure and no line leaks are present Listen for air leaks while system is pressurized approximately 2 minutes following the attempted target learn If line leak is detected e Correct leak e Set all tires to target pressure e Repeat steps Service Procedures Troubleshooting Learn Mode Service Tool Method Several faults may cause the system not to learn the target Note When using a PC or other supported service tool con The following is a list of the most common occurrences nected to the diagnostic port follow the instructions included with service tool fe 1 Apply 12 volt power to the trailer at SAE J560 con Lamp does not turn on e Poor electrical connection nector during power up sPower belon yole 2 Attach service tool to ECU Refer to service tool instructions e Burned out lamp 3 Enter cold temperature tire pressure target into ECU System remains in Learn Verify supply tank pressure is 4 Remove power from the trailer Mode target pressure 5 psi or 90 5 psi whichever is greater Reapply power and verify proper operation e Select manual operation mode Lamp remains lit after A fault has occurred Refer to Learn Mode Blink Out Service Codes or PC e Select pressure check and hold Service tool Diagnostics checks for leaks in system System reads slightly low Verify no air leaks are present 6 Watch for drop in manifold pressu
19. azoo MI 49003 e U S A e www roadranger com All rights reserved Printed in USA AXTS0025
20. been set System Learn Method Note All tires must be set at target pressure 1 99 LF Short Pins A and E Apply 12 volt power to the trailer at SAE J560 con nector Pressurize brake supply tank e ECU P N 676351 minimum 110 psi e All other ECU Cold temperature target pres Sure 5 psi or 90 psi whichever is greater Enter Learn Mode For system with diagnostic connector a Remove weather cap from diagnostic connector b Identify pins A and E by the interconnecting slot in shell c Use screwdriver or coin to short pins A and E e second on e 1 second off e 3 times N 4 F i and Release 3 Times to Enter Learn Mode 5 For system without diagnostic connector a Activate brake power b Cycle ignition 7 times ending in the on position c When warning lamp flashes rapidly turn igni tion switch off and on 1 more time Verify Learn Mode is active Warning lamp should e Stay on for 2 seconds twice e Flash once every 10 seconds Wait for system to pressurize air lines and stabilize Note System reads tire pressure and stores target pressure 6 Once target pressure is established verify tire pres Sure is correct by counting warning lamp flashes Example For 102 psi e Lamp stays on for 5 seconds e Lamp flashes one time for 1 then pauses e Lamp flashes 10 times 10 flashes 0 then pauses e Lamp flashes 2 times for 2 Note If value flashed is lower th
21. ched Ignition SAE J1587 4 IE ME ME MI SAE J1587 4 SAE J1587 Pp SAE y1587 Pressure Sensor Signal LI Supply Solenoid Spare Input Pressure Sensor Supply Solenoid A Switched Ignition B 1 2 3 4 5 6 7 8 GC BR UYVON MM OO0 gt Optional Warning Lamp Control Solenoid Diagnostic Fault Output Optional Connector ECU Connector 218UX00 Note Older systems have pressure sensor Pin A spliced to harness ground ECU Pin 7 and not connected to ECU Pin 2 59 This page intentionally left blank Spicer TIMS Tire Inflation and Monitor System for Trailers Copyright Eaton and Dana Corporation 2007 EATON AND DANA CORPORATION National Institute tor hereby grants its customers vendors or distributors permission to freely copy aa yo N reproduce and or distribute this document in printed format THIS INFORMATION IS Ye NOT INTENDED FOR SALE OR RESALE ANDTHIS NOTICE MUST REMAIN ON ALL COPIES Roadranger E T N For spec ing or service assistance call 1 800 826 HELP 4357 24 hours a day 7 days a week Mexico 001 800 826 4357 for more time on the road Or visit our web site at www roadranger com Roadranger Eaton Dana and other trusted partners providing the best products and services in the industry ensuring more time on the road 2007 Eaton Corporation and Dana Corporation Dana Corporation e Commercial Vehicle Systems e P O Box 4097 e Kalam
22. damaged N bullet to lamp wiring or lamp as required Is service code 62 still active Clear historical codes and retest system for proper operation Yes Is the integrated Disconnect harness from ECU controller a Bendix Check for short circuit between TABS6 terminal 2 and ground Disconnect power from trailer Disconnect harness from ECU Is the Check for short circuit between circuit shorted terminal 10 and ground Repair or replace Clear historical codes Yes damaged harness and retest system for as required proper operation No Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation Service Codes Code 63 Supply Solenoid Open Summary Code 63 is set when an open in the PCU supply solenoid or associated wiring is detected This is typically the result of an unplugged solenoid connector or faulty wiring Verify PCU solenoid connector is properly connected Disconnect power from trailer Disconnect harness from PCU solenoids Check for open circuit at PCU solenoids terminals A and B Is the solenoid open Yes Replace PCU Clear historical codes and retest system for proper operation No Remove power from trailer Disconnect TIMS wiring harness at ECU and PCU Inspect wire harness for obvious corrosion or damage Check for open circuit between the following terminals
23. e Pressure Target 24 Service Codes Code 44 No Sensor Signal Summary Code 44 is set when the ECU does not detect a pressure sensor signal The most likely verity the wire hamess is plugged into cause is a disconnected pressure sensor or the pressure sensor on the PCU sn faulty wiring Remove power from trailer Disconnect TIMS wiring harness at ECU and pressure sensor Inspect wire harness for obvious corrosion or damage Check for open circuits between any of the following pairs of terminals Is the integrated controller a Bendix TABS6 Bendix TABS6 ECU Pressure Sensor Harness Connector Harness Connector Check for open circuits between any of the following pairs of terminals Are any measurements open Repair or Clear historical codes Yes replace wiring and retest system for as required proper operation Dana ECU Harness Pressure Sensor Connector Harness Connector No Check for short circuits between any of the following pairs of terminals Pressure Sensor Pressure Sensor Harness Connector Harness Connector 25 Service Codes Code 44 No Sensor Signal cont d Are any measurements shorted Yes Repair or replace Clear historical codes and retest wiring as reguired system for proper operation No Replace pressure sensor and retest for proper operation Does fault occur again No Complete Yes Replace ECU and set tire
24. e Sensor Connector A ge Injected Molded Body Pressure Sensor V e 4 ORI SI YA Solenoid Connector Pressure Sensor O Pressure Sensor Connector e OF SV 4 O IK WW Zs N Aluminum Body 50 Replacement Procedures Wire Harness TIMS A CAUTION When replacing early model wire harnesses part numbers 676271 676272 and 676471 which do not have an over molded ECU connector the ECU must also be replaced Removal 1 Disconnect trailer power Disconnect 5 pin ABS connector Disconnect 5 pin power supply connector Disconnect ECU connector Disconnect solenoid connector D a po m Remove plastic PCU cover Note Aluminum Body does not have plastic PCU cover 7 Disconnect pressure sensor connector 8 Disconnect lamp wire bullet connector 9 Unbolt diagnostic connector from bracket 10 Cut tie wrap 51 installation 1 Connect 5 pin ABS connector Connect 5 pin power supply connector Connect ECU connector Connect pressure sensor connector mo e ee 9 Install plastic PCU cover Note Aluminum Body does not have plastic PCU cover Connect solenoid connector Connect lamp wire bullet connector Bolt diagnostic connector to bracket o 2 p secure harness as required on slider applications allow for slider operation 10 Verify warning lamp operation Replacement Procedures Injection Molded Body
25. e sensor Inspect wire harness for obvious corrosion or damage Pressure Check e Use the Diagnostic Tool to initiate a pressure check and hold e f not using the Diagnostic Tool Reduce the tire pressure of one tire by 5 psi Allow the system to re inflate the tire Check for leaks during the inflation 13 Repair as required Replace PCU Summary Code 15 is set when the system is powered and has not sensed adequate supply pressure for an extended period of time See the lists below for other possible causes Clear historical codes and retest system for proper operation Clear historical codes and retest system for proper operation Leak Check Tip External Lines and Fittings Diagnose with a soap and water solution sprayed on them while the system is pressurized Service Codes Code 15 Supply Pressure Low cont d Check for open circuits between any of the following pairs of terminals Is the integrated controller a Bendix TABS6 Bendix TABS6 ECU Pressure Sensor Harness Connector Harness Connector Check for open circuits between any of the following pairs of terminals Are any measurements open Repair or Clear historical codes Yes replace wiring and retest system for as required proper operation Dana ECU Harness Pressure Sensor Connector Harness Connector Check for short circuits between any of the following pairs of terminals Pressure Sensor Pressure Se
26. e target See Setting Tire Pressure Target Retest system for proper operation 32 Service Codes Code 66 Control Solenoid Shorted Disconnect wiring harness at PCU solenoids connector e Cycle power and check service codes Note This will result in service codes 63 and 65 open circuit which should be ignored Is service code 66 short circuit still active Yes Disconnect power from trailer Disconnect harness from ECU Check wire harness for short circuit between PCU solenoid connector terminals B and C Is the harness shorted No Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation 33 Repair or replace damaged Yes harness as reguired Summary Code 66 is set when a short in the PCU control solenoid or associated wiring is detected This is typically the result of damaged wiring or connectors Replace PCU Clear historical codes and retest system for proper operation Clear historical codes and retest system for proper operation Service Codes This page intentionally left blank 34 Replacement Procedures Tire Tire Hose Removal Disconnect power from trailer during tire removal to eliminate potential faults if the system attempts to check tire pressures while the tire hoses are detached 1 Disconnect tire hose T from bulkhead fitting at hub cap
27. ear historical codes and retest harness as regulred system for proper operation No Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation 31 Service Codes Code 65 Control Solenoid Open Gircuit Summary Code 65 is set when an open in the PCU control solenoid or associated wiring is detected This is typically the result of an unplugged solenoid connector or faulty wiring Verify PCU solenoid connector is properly connected Disconnect power from trailer Disconnect harness from PCU solenoids Check for open circuit at PCU solenoids terminals A and B Is the solenoid open Vas Replace PCU Clear historical codes and retest system for proper operation No Remove power from trailer Disconnect TIMS wiring harness at ECU and PCU Inspect wire harness for obvious corrosion or damage Check for open circuit between the following terminals Is the integrated controller a Bendix TABS6 Disconnect harness Bendix TABS6 ECU PCU Yes from ECU and PCU Harness Connector Harness Connector No Check for open circuits between any of the following pairs of terminals Is either Repair or replace Clear historical codes measurement damaged harness and retest system for open as required proper operation Dana ECU Harness PCU Harness Connector Connector 3 B Ho C No Replace ECU and set tire pressur
28. ed and inflate to desired tire pressure target No Follow the Setting Tire Pressure Check control lines blockage Repair or replace damaged or i seni i Target procedure to set tire target restrictions or kinks restricted lines as required pressure in ECU Verify the wire harness is plugged into the pressure sensor on the PCU Remove power from trailer Disconnect TIMS wiring harness at ECU and pressure sensor Inspect wire harness for obvious corrosion or damage Pressure Check e Use the Diagnostic Tool to initiate a pressure check and hold e lfnotusingthe Diagnostic Tool Reduce the tire pressure of one tire by 5 psi Allow the system to re inflate the tire Check for leaks during the inflation 20 Service Codes Code 21 Target Out of Range cont d Check for open circuits between any of the 21 following pairs of terminals Is the integrated controller a Bendix TABS6 Bendix TABS6 ECU Pressure Sensor Harness Connector Harness Connector Check for open circuits between any of the following pairs of terminals Are any measurements open Repair or Clear historical codes Yes replace wiring and retest system for as required proper operation Dana ECU Harness Pressure Sensor Connector Harness Connector Check for short circuits between any of the following pairs of terminals Pressure Sensor Pressure Sensor Harness Connector Harness Connecto
29. em without through the pressure constant pressure protection valve to the PCU e Automatically inflates tires e Rechecks tire pressure every 10 minutes e Stores data history e Turns on Warning Lamp when tires significantly low Check Valve T mi pl Rotary Seal Air ECU fr Tank Pressure TI Protection Valve A Only Continuously Pressurized Line Ci Air flows through air O Check valves prevent tire axle tube vented to lines and rotary seals pressure loss prevent any pressure only when checking buildup or inflating tires Axle tubes are never pressurized Overview of Warning Lamp Normal Operation 2 Seconds Ul A Flashing 0 O N l a IM TIN General Information At startup the warning lamp will stay on for 2 seconds indicating the system has passed the self test At startup the warning lamp will blink for 45 seconds if the system has detected a fault Troubleshooting is reguired See next page to choose one of three ways to diagnose The warning lamp will turn on solid when there is low tire pressure typically 10 or a significent line leak Inspect tires for damage Typical TIMS Warning Lamp Location lt CD CD n at la r et ge General Information Three Ways To Diagnose TIMS The Tire Inflation and Monito
30. for Super Singles A wH Outer Wheel Hose Assembly TOE Inner Wheel Hose T Fitting TUS For Duals ami lt Assembly URA gy 36 CD ji CD m m N CD Replacement Procedures Hubcap Removal When a service event occurs that reguires the removal of the hub care must be taken to avoid damaging the TIMS rotary joint assembly e OnP series wheel ends axles with same size inner and outer bearings the hub may be removed with the rotary joint in place Follow service procedure for tire removal Remove the jam nut from the rotary joint s bulkhead adapter and remove the hubcap Remove the hub in the standard manner e Onall other types of wheel ends the rotary joint must be removed for the hub and bearings to clear the TIMS rotary joint assembly Follow service pro cedure for tire removal then follow Rotary Joint Push In Style on page 39 spindle Bulkhead Adapter LY Braided Hose Slo D Rotary Joint Assembly 3 Installation 1 Place hubcap gasket over rotary joint s exit tube and bulkhead adapter 2 Lubricate O ring on the rotary joint s bulkhead adapter 3 From the inside insert the bulkhead adapter through the hole in the hubcap marked Air Attach the jam nut and hand tighten A CAUTION Wheel must be properly clocked to hubcap to prevent hoses rubbing on the wheel Failure to do so may result in hose failu
31. ful removal and installation procedures to aid in the service of this unit Always use genuine Dana Spicer replacement parts Every effort has been made to ensure the accuracy of all infor mation in this guide However Dana Commercial Vehicle Systems Division makes no expressed or implied warranty or representation based on the enclosed information Any errors or omissions may be reported to Marketing Services Dana Commercial Vehicle Systems Division P O Box 4097 Kalamazoo MI 49003 Table of Contents General Information Overview of Tire Inflation and Monitor System TIMS 1 Overview of Warning Lamp Normal Operation 2 Three Ways To Diagnose TIMS 3 Manual Checks 4 Blink Out Service Codes 6 PG DAGAA des s nue oa ee aia 7 Service Codes Code 11 Leaking Tire 8 Code 12 Tire Pressure Low Reading 9 Code 14 Line Leak 12 Code 15 Supply Pressure Low 13 Code 16 Maximum Inflate Time 15 Code 17 System Vent Failure 17 Code 21 Target Out of Range 20 Code 41 ECU Memory Failure 23 Code 43 No Target Pressure Programmed 24 Code 44 No Sensor Signal 25 Code 45 Low Voltage 27 Code 55 End of Service Code List 28 Code 62
32. g drops 10 12 below aa loop and points downward ae J a a Incorrect Hose Routing ed lt p LI di Do not point Make sure slack in Pa LA vent hose upward A hose allows for which allows N suspension travel foreign matter to enter Do not let hose Dip below NTA fitting on axle e Extend above slider assembly 43 Replacement Procedures a as CD lt CD OZ oa D D 5 This page intentionally left blank 44 Replacement Procedures Pneumatic Gontrol Unit PGU Note When replacing Aluminum Body PCU with Injection installation Volded Body PCU a new mounting bracket part num ber 676644 is required 1 Install pressure sensor into PCU using paste type thread sealant Removal e Injection Molded Body Torque to 100 Ibs in 1 Disconnect trailer power e Aluminum Body Torque to 230 Ibs in 2 Drain air tank 2 Aluminum Body Only Install air line fitting using paste type thread sealant A WARNING 3 Install PCU to bracket Torque to 110 Ibs in Drain off supply air tank before removing any fittings 4 Connect pressure sensor connector 5 Install plastic PCU cover 3 Disconnect solenoid connector Note Aluminum Body does not have plastic PCU cover 4 Remove plastic PCU cover 6 Connect solenoid connector Note Aluminum Body does not have plastic PCU cover 7 Connectar iiine 9 Disconnect
33. intain tire pressure after this code is set The most likely cause is a leaking tire or air line Clear historical codes and retest system for proper operation Clear historical codes and retest system for proper operation Clear historical codes and retest system for proper operation Leak Check Tips External Lines and Fittings Diagnose with a soap and water solution sprayed on them while the system is pressurized Internal Axle Components Dip axle vent tubes in a container of water Inspect for bubbles Note The presence of bubbles indicates an internal air leak from a failed connection rotary joint etc Service Codes Code 16 Maximum Inflate Time cont d Remove power from trailer Disconnect TIMS wiring harness at ECU and pressure sensor Inspect wire harness for obvious corrosion or damage Check for open circuits between any of the following pairs of terminals Is the integrated Bendix TABS6 ECU Pressure Sensor controller a Bendix TABS6 Harness Connector Harness Connector Check for open circuits between any of the following pairs of terminals Are any measurements open Repair or Clear historical codes Yes replace wiring and retest system for as reguired proper operation Dana ECU Harness Pressure Sensor Connector Harness Connector Check for short circuits between any of the following pairs of terminals Pressure Sensor Pressure Sensor Harness Connector
34. link Out Service Codes A CAUTION A battery charger is not an adeguate source of power Note Use one of the following two methods to activate ser vice codes Code 55 indicates no more service codes Method 1 Brake Check systems without diagnostic connector 1 Attach J560 bulkhead connector to trailer Turn off ignition switch Apply and hold brake pedal a ie a Access service codes by cycling ignition 3 times ending in the on position Method 2 Short Pins systems with diagnostic connector 1 Turn on ignition switch 2 Remove weather cap from diagnostic connector 3 Use screwdriver or coin to short pins A and E until lamp changes state approximately 5 seconds Release to access service codes Note Lamp will turn on for 5 seconds then begin to flash out codes Ze Blink Out Service Codes n fanme L Radia PP LI II KANA Supply Pressure Low 16 Maximum Inflate Time PF vini a ECU Memory Failure 28 5 7 Low Voltage Twr oo LA E ai oja AA CD T CD co CD mM General Information PG Diagnostics A CAUTION A battery charger is not an adeguate source of power Visit www roadranger com for free download of Dana Diag nostic Tool DDT PO diagnostics are easy to use and provide the guickest diagnostic capabilities e Retrieve historical data faults and tire pressures e Pressurize system to
35. nsor Harness Connector Harness Connector Are any measurements shorted Repair or Clear historical codes Yes replace wiring and retest system for as required proper operation No Replace pressure sensor and retest for proper operation No Complete Does fault occur again Yes Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation 14 Service Codes Code 16 Maximum Inflate Time If service code 12 is active troubleshoot it first Connect power and air Pressurize the air lines See Pressure Check below Inspect lines fittings and axle components for leakage See Leak Check Tips below Leakage Yes No Check for crushed or kinked control lines Restriction Yes No Check PCU for leakage at exhaust port while inflating Leakage Yes Replace PCU Verify the wire harness is plugged into the pressure sensor on the PCU Pressure Check Use the Diagnostic Tool to initiate a pressure check and hold If not using the Diagnostic Tool Reduce the tire pressure of one tire by 5 psi Allow the system to re inflate the tire Check for leaks during the inflation 15 Repair as necessary Repair as necessary Summary Code 16 is set when the system has inflated for an extended period of time without successfully reaching target pressure The system will continue to attempt to ma
36. r Are any measurements shorted Repair or Clear historical codes Yes replace wiring and retest system for as required proper operation No Replace pressure sensor and retest for proper operation Does fault occur again No Complete Yes Service Codes Code 21 Target Out of Range cont d Replace PCU and retest for proper operation Does fault occur again No Complete Yes Replace ECU and set tire pressure target See Setting Tire Pressure Target Complete 22 Service Codes Code 41 EGU Memory Failure 23 If service code 43 is active reset tire pressure target See Setting Tire Pressure Target Retest system for proper operation Does fault reoccur Yes Replace ECU and set tire pressure target See Setting Tire Pressure Target Retest system for proper operation Complete Summary Code 41 is set when the ECU memory has been corrupted The ECU may have reset to its defaults and lost historical data and or its tire pressure target Service Codes Code 43 No Target Pressure Programmed If other service codes are active troubleshoot them first Replace ECU and set tire pressure target See Setting Tire Pressure Target Summary Code 43 is set when no tire pressure target has been set in the ECU The tire pressure target can be set using a diagnostic tool or through the Target Learn Method See Setting Tir
37. r System TIMS does not use continuous pressure therefore leaks cannot be heard at all times Choose from one of the 3 methods below to diagnose TIMS Pressure Protection Valve Choose a Method Manual Checks Blink Out Service Codes Use simple checks to locate Use warning lamp flashes to possible problems determine service codes e Verify electrical e Follow troubleshooting e Hook up pressure to allow for flowcharts for each service audible check code to pinpoint problem e Follow service procedures to Go to page 4 fix diagnosed problems Go to page 6 Check Valves Rotary Seals T l Only Continuously Pressurized Line PC Diagnostics Use PC and free Dana Diagnostic Tool DDT available on www roadranger com e Retrieve historical data faults and tire pressures e Pressurize system to detect leaks e Access troubleshooting flowcharts and service procedures Go to page 7 General Information Manual Checks To diagnose trouble without a PC or blink codes complete both Electrical Check and Pneumatic Leak Check Electrical Check A battery charger is not an adeguate source of power At startup e f warning lamp turns on then electrical components are OK Go to Pneumatic Leak Check on page 5 e f warning lamp does not turn on go to step 2 Note On newly installed systems or replaced ECUs I warning lamp will remain on until pre
38. railer is left unpowered for an extended period of time tire will leak down Clear leaking tire counter and retest Yes Repair as required a system for proper operation Leaking tire or loose tire hose No Test for check valve leaks Disconnect power from trailer Disconnect control line at OUT port of PCU Place end of control line in a cup of water and watch for bubbles Manually check each tire to determine if any one tire is lower than the other tires Air leaking from control line Yes Check low tire and wheel assembly for leakage and or damage Repair as necessary Locate leaking check valve e Leave tire hoses connected to tire valve stems e Remove tire hoses one at a time from hubcap fitting Place hose fitting in a cup of water and watch for bubbles Clear leaking tire counter and retest system for proper operation Air leaking from tire hose assembly Repeat on remaining wheel ends until leak is found Yes Repair or replace tire hose assembly Clear leaking tire counter and retest system for proper operation To clear the leaking tire service code e f using a diagnostic tool follow the instructions provided with the tool e f not using a diagnostic tool Short pins E and A on the diagnostic connector for greater than 10 seconds OR Apply constant brake signal step on brake and cycle the ignition 5 times ending in the on position
39. re 4 Align the hubcap and gasket and install the 6 bolts Torque to the values listed in the chart per manufac turers recommendations Hub Material Bolt Grade Bolt Size Torque the bulkhead adapter jam nut to 25 Ibs ft 6 Refill hubcap with proper lubricant 7 Refer to tire hose installation to complete reassem bly See Tire Tire Hose on page 35 8 Power up trailer and check for leaks Replacement Procedures Rotary Joint Drive In Style Removal Installation 1 Screw braided hose fitting into back of rotary joint See Tire Tire Hose on page 35 and Hubcap on page 37 and seal using paste type sealer on threads for tire hose T and hubcap removal procedures 1 Position a chisel at the parting line of the rotary 2 Orient rotary joint with TOP marking at top of spin ahd O mf Q kma lt S j T OD mA lt CD N pi CD joint s flange and the end of the spindle Strike with si hammer to separate and repeat on the opposite 3 Align driver so that recesses fit over rotary joint fit sides alternating to evenly remove joint from spindle tings and flexible hose and carefully drive joint into bore spindle bore Ensure that joint is driven in sguarely and that it bottoms in bore so that outer flange is 2 Unscrew the braided line fitting from the back of the flush with end of spindle rotary joint to complete removal Rotary Joint Assembly Spindle
40. re and listen for tire pressure in system audible leaks Note If leak is found take corrective actions 7 Clear all historical service codes if necessary 06 Ye cD rmja la zi 4 mv kma fq gt m A kma fq gt Service Procedures PCU Air Filter Replacement Injection Molded Body The system provides an integral air filter to prevent contami installation nation Use of the system with a contaminated filter will increase inflation times and reduce the life of the product A contaminated air filter may also cause the system to store a 2 Locate the O ring and lubricate lightly Reinstall on service code To reduce the effects from contamination regu the filter cover lar maintenance is recommended every 12 months or any time the PCU is serviced 1 Clean the filter and reinstall on the filter cover 3 Inspect the filter cavity for contamination and clean as required Removal 4 Useacoin or screwdriver to rotate the filter cover Screen and O ring clockwise and reinstall it into the A CAUTION PCU Air pressure on filter cover 1 Drain air tank A WARNING Drain off supply air tank before removing any hoses or filter cover 2 Locate the filter cover on the bottom of the PCU 3 Useacoin or screwdriver to rotate the filter assem bly counter clockwise and disengage it from the PCU Air Filter gt O Ring BO Filter Co
41. ssure target Ap is set 5 Pin ABS Pass Thru Connectors A D NY 2 Remove lamp bullet connector SKF v To Lamp 3 Verify lamp by applying power to male bullet connec tor e f lamp does not turn on check bulb and ground connection Repeat step 1 e f lamp does turn on continue with step 4 O Remove wire harness from ECU Verify wire harness between pin 3 power and pin 7 ground e f no power exists verify trailer is powered check connections at 5 pin ABS pass thru connectors and or replace harness as required e f adequate power exists replace ECU ECU Harness Connector OC PUN General Information Pneumatic Leak Check O Disconnect power from system 7 Disconnect air line from OUT port Attach regulated air supply set to tire pressure target to air line and check for leaks e External air lines and fittings e Axle vent tubes A OUT Line YA Air OUT Line O Repair leaks If no leaks are found Regulated Air Supply go to step 5 Disconnect regulated air supply Check tire hose for check valve leaks e Submerge end of fitting in water e Check for bubbles QO Disconnect tire hose from hubcap bulkhead fitting Note Leave tire hose connected to tire valve stems O Repair or replace leaking tire hoses O Verity PCU air filter is not clogged See PCU Air Filter Replacement on pages 57 and 58 General Information B
42. tion sprayed on them while the system is pressurized Internal Axle Components Dip axle vent tubes in a container of water Inspect for bubbles Note The presence of bubbles indicates an internal air leak from a failed connection rotary joint etc Service Codes Code 12 Tire Pressure Low Reading cont d Are there leaks Clear historical codes and retest Yes Repair as required system for proper operation No Check for blockage PCU filter a Supply line including pressure protection valve from the air source to the IN port on PCU Is the line or filter blocked Yes Repair as required sisar us lonca Gages ae ee system for proper operation No Verify the wire harness is plugged into the pressure sensor on the PCU Remove power from trailer Disconnect TIMS wiring harness at ECU and pressure sensor Inspect wire harness for obvious corrosion or damage Check for open circuits between any of the following pairs of terminals Is the integrated controller a Bendix TABS6 Bendix TABS6 ECU Pressure Sensor Harness Connector Harness Connector Check for open circuits between any of the following pairs of terminals Are any measurements open Repair or Clear historical codes Yes replace wiring and retest system for as required proper operation Dana ECU Harness Pressure Sensor Connector Harness Connector 10 Service Codes Code 12 Tire Pressure Low Reading
43. val hose into the trailer axle until the small end of the 1 If internal hose needs to be replaced remove air fit hose exits the spindle end tings from connection on the top of the axle then 3 Thread the large adapter end of the axle hose assem remove the hose assembly from the axle bly into the axle and tighten to 30 Ibs ft 27 1 Nem 4 Remove protective coverings from end of axle hose assembly and blow air through it to remove any debris Braided Hose 42 Replacement Procedures Axle Vent Installation 1 Locate 1 4 pipe threaded hole in axle and verify 3 8 Note Do not allow vent hose to dip below NTA fitting on axle NTA fitting is installed 2 Install 45 degree or straight 1 4 NPT male to NTA fitting 6 Secure hose e Use frame clips zip ties or similar device Note Use appropriate sealant on threads gt o lun a ven Ine e Verify hose opening points down with no 3 Install vent hose in NPT male abetructi n 4 Route and fasten hose to top of slider assembly 9 Loop hose downward in candy cane fashion A CAUTION e Downward leg should drop 10 12 Do not kink vent hose e Opening should point down A CAUTION e Hose should have enough slack to prevent dam age during suspension travel Failure to properly install axle vent hoses may result in wheel end pressurization and or water contamination toward the ground Correct Hose Routing Fasten securely Make sure vent hose openin
44. ve old spindle plug e Rotary Joint Push In Style on page 39 e Hubcap on page 37 installation e Tire Tire Hose on page 35 1 Route the end of the axle hose assembly through the 5 Power system pressurize and check for leaks center of the spindle plug assembly 2 With the breather hole of the spindle plug assembly located in the 12 o clock position place the plug assembly at the spindle end 3 Route the braided hose assembly through the slot in the end of the plug driver and press the plug into the spindle until the driver bottoms out D22 Spindle Braided Hose ze we P D22 Style O p Spindle Plug Spindle Z zA with Small Hole and Flat PA at 12 O Clock Position VE Po gt z a t ae N LO Plug 0 P Driver Handle 9 x gt a a na PO kana mem it Driver lt pindle Style k a o Spindle O Spindle Plug LEE a with Small Hole and Flat vo a s l P at 12 O Clock Position lt z N Z BF LIK Plug N Driver Handle N Plug Driver 41 Replacement Procedures Axle Hose Refer to these sections first installation e Tire Tire Hose on page 35 1 Inthe 1 4 pipe hole located in the top of the axle Hubcap on page 37 tube route the Small covered end of the metal braided hose into the axle e Rotary Joint Push In Style on page 39 SNIH 2 Make sure the hose is going toward the correct wheel end and continue feeding the metallic covered Remo
45. ver 07 Service Procedures PGU Air Filter Replacement Aluminum Body The system provides an integral air filter located in the inlet installation of the PCU to prevent contamination Use of the system with a contaminated filter will increase inflation times and reduce the life of the product A contaminated air filter may also cause the system to store a service code To reduce the 2 nstall a new filter into the PCU effects from contamination regular maintenance is recom IH mended every 12 months or any time the PCU is serviced 3 Reattach the fittings and air line to the PCU 1 Inspect the inlet for contamination and clean as required Removal 1 Drain air tank A WARNING Drain off supply air tank before removing any fittings TU DJ eg ni r cD km 2 Disconnect the air line from the PCU inlet and remove the fitting 3 Use a screwdriver or similar tool to remove the filter from the inlet of the PCU Aluminum Body PCU Air Line Filter Air IN Line 08 Wire Harness Note All connector views are shown looking into the harness connector unless otherwise noted mMOO 0 gt From SAE J560 Connector r C OEM Supplied Trailer Mounted Warning Lamp pena Ground A Supply B O Control Solenoid Manifold Solenoids Pressure Sensor Supply Pressure Sensor Ground Swit
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