(MIL) ILLUMINATED—DIAGNOSTIC TROUBLE
Contents
1. ARE PROPERLY ADJUSTED FAULT CANNOT BE DUPLICATED OR IDENTIFIED AT THIS TIME 1 If DIC P1381 or P1383 is present in KOER install 104 pin breakout box 2 Run engine to normal operating temperature ECT CHT 190 240 87 115 3 Select and monitor Parameter Identification Displays PID NGS PIDs CAMERR CAMDCR RCAM and RPM WDS PIDS VCTADV VCTADVERR VCTDC and RPM 4 Insert one end of a banana plug jumper into VCT Pin 44 Pin 45 for vehicles with return less fuel system breakout box 5 Increase engine speed to 2500 rpm and touch the other end of the jumper to PWR GND Pin 103 for approximately 1 second and release 6 While maintaining 2500 rpm monitor RCAM NGS VCTADV WDS and repeat Step 5 1 second on 1 second off for 20 to 30 cycles 7 Verify that RCAM VCTADV WDS changes from 15 to 45 approximately when Pin 103 is connected 8 Turn ignition key to locked position and then restart engine 9 Monitor PIDs previously selected Vary engine speed from idle to 3000 rpm If the cycling procedure succeeded CAMERR NGS VCTADVERR WDS will remain zero and RCAM NGS VCTADV WDS will vary with rpm NOTE The information in Technical Service Bulletins is intended for use by trained professional technicians with the knowledge tools and eguipment to do the job properly and safely It informs these technicians of conditions that may occur on some vehicles or provides information that could assis2. PAGE 4 Article 03 15 14 Cont d THE CAMSHAFT IS OUT OF BASE ENGINE TIME OR IT IS OVER RETARDED o 659 TB 7243 A Figure 3 Article 03 15 14 CRANKSHAFT EXHAUST CAMSHAFT INPUT CIRCUITRY CAMSHAFT SENSOR SIGRTN CRANKSHAFT TB 7244 A Figure 4 Article 03 15 14 PAGE 5 Article 03 15 14 Cont d 12 0 VOLTS 12 0 VOLTS GROUND 0 02 0 00 VOLTS 7245 Figure 5 Article 03 15 14 THE PCM IS SENDING A DUTY CYCLE OF 99 BUT THE CAMSHAFT IS RETARDING INTAKE CAMSHAFT OOOOOOOOOOOOO OOOOOOOOOOOOO 0000000000000 0000000000000 53 104 EEC V PCM EXHAUST CAMSHAFT WILL NOT RETARD TIMING COVER OFF FRONT OF ENGINE 7246 Figure 6 Article 03 15 14 6 Article 03 15 14 Cont d THE PCM IS REDUCING THE DUTY CYCLE FROM 99 DOWN TO 0 00 HOWEVER THE CAMSHAFT IS NOT MOVING OR THE PCM IS NOT SEEING A CHANGE ON THE CAMSHAFT SENSOR INTAKE CAMSHAFT OOOOOOOOOOOOO 0000000000000 O gt O 0000000000000 0000000000000 0000000000000 0000000000000 1 53 7 104 PIN E EC V PCM THE EXHAUST CAMSHAFT WOULD NOT ADVANCE OR RETURN TO NORMAL TIMING COVER OFF FRONT OF ENGINE 7247 Figure 7 Article 03 15 14 EXHAUST INTAKE CAMSHAFT CAMSHAFT 5 ICY ES SPO CYLINDER HEAD CHECK THE CAMSHAFT SENSOR ALIGNMENT ON THE CYLINDER HE
3. SHOWN CRANKSHAFT PEG 803 574 OR T97P 6000 A ZN 10000 SAX A SECOND TIMING MARK RAISED MARK ON THE OIL PAN OIL PAN 6675 ALIGN CRANKSHAFT AND OIL PAN TIMING MARKS TB 7254 A Figure 14 Article 03 15 14 PAGE 11
4. AD CHECK THE ALIGNMENT OF THE EXHAUST CAMSHAFT TONE RING IF DAMAGED OR OUT OF SPECS REPLACE THE CAMSHAFT ASSEMBLY TB 7248 A Figure 8 Article 03 15 14 PAGE 7 Figure 9 8 NGS WDS BROKEN FLEXPLATE PIDS PIDS UNITS AVERAQE READING DEGREES 55 00 OR 55 00 RCAM VCTADV MODE VCTA ON OFF ERRATIC OR CAMERR VCTADVERR DEGREES 50 00 75 00 OR CAMDCR VCTDC PRECENT 50 00 75 00 6 3 VCTENA VCTSYS ON OFF ERRATIC wos OL CL ERRATIC SLOTTED HOLE N A 2 LOOK FOR FLEXPLATE BEHIND THE CRANKSHAFT BOLTS PLATE 7D288 7D288 PLATE TRANSMISSION OFFSET FRONT HOLE q FRONT OF gt VEHICLE N805786 M10 X 1 X 20 BOLT HEXAGON LOCK HEAD TORQUE 73 91 N m SIX 6 REQUIRED TB 7249 A Article 03 15 14 SPROCKET REAR VIEW AND ATTACHING COMPONENTS LOCKING HOLE LOCKING TAB TB 7250 A Figure 10 Article 03 15 14 SNAP ON REVERSE TORX SOCKET USE SIZE E 20 REVERSE 7251 Figure 11 Article 03 15 14 PAGE 9 OIL FEED HOLE MINIMUM VCT SOLENOID PRE MACHINED HOLES TB 7252 A TB 7253 A Figure 12 Article 03 15 14 Figure 13 Article 03 15 14 PAGE 10 CRANKSHAFT PEG 303 574 OR T97P 6000 A CRANKSHAFT AT TOP DEAD CENTER WITH THE OIL PAN AND CRADLE REMOVED ROTATE ENGINE CLOCKWISE TO THE SECOND TIMING MARK ON THE CRANKSHAFT DAMPER AS
5. DRIVEABILITY MALFUNCTION INDICATOR LAMP MIL ILLUMINATED DIAGNOSTIC TROUBLE CODES Article No 03 15 14 DTCS P0340 P1380 P1381 OR P1383 IN MEMORY VEHICLES WITH 2 0L ZETEC ENGINE FORD 1998 2000 CONTOUR 1998 2003 ESCORT ZX2 MERCURY 1998 2000 MYSTIQUE 1999 2002 COUGAR This article supersedes TSB s 98 9 8 and 99 10 5 ISSUE The Malfunction Indicator Lamp MIL may be illuminated and Diagnostic Trouble Codes DTCs P1380 P1381 P1383 and or P0340 may be stored in memory The vehicle may also have a rough idle or reduced power condition and or may stall at an idle ACTION Refer to the following Service Information for diagnostic tips and repair procedures SERVICE INFORMATION Inspect the following areas to help diagnose condition Variable Camshaft Timing control system stuck with a machining chip VCT hollow oil feed bolt being plugged with debris e A damaged Variable Camshaft tone ring Incorrect base engine timing e On automatic transmission vehicles only the flex plate may be broken Excessive crankshaft end play Mis machined Cylinder Head NOTE PROCEED WITH THIS PROCEDURE ONLY IF DTCs P1381 P1383 OR P0340 ARE PRESENT IN KOER AND P1380 IS NOT PRESENT IF P1380 IS PRESENT REFER TO POWERTRAIN CONTROL EMISSIONS DIAGNOSIS PC ED SERVICE MANUAL NOTE IF CODES P1380 P1381 OR P1383 ARE NOT PRESENT KOER AND VALVETRAIN COMPONENTS ARE FUNCTIONING AND
6. essure on VCT systems the engine has to have a minimum of 50 PSI 4 The VCT is not moving the Exhaust Camshaft possible wrong oil weight contaminated oil or wrong oil filter Oil filter recommended is FL 2005 5 The Camshaft Sensor is not reading the correct synchronization from the Camshaft Possible damaged Tone Ring see Figure 8 P0340 Runs Rough At Idle Cranks No Start Starts amp Stalls At Idle When diagnosing this concerns unplug the Camshaft position sensor if the vehicle runs o k Look for a damaged Exhaust Camshaft Position Sensor Tone ring refer to Figure 8 and check the tone ring alignment For rough idle cranks no start stall at idle or DIC codes P0340 P1383 or P1381 inspect for a broken Flex Plate or Monitor the PIDs on the NGS WDS see Figure 9 OVERVIEW ENGINE COMPONENTS see Figures10 14 1 SPROCKET Figure 10 2 EXHAUST RETAINER BOLT AND TOOL No Figure 11 and Figure 12 3 VCT SOLENOID Figure 13 4 TOP DEAD CENTER AND TIMING PEG ALIGNMENT Figure 14 PAGE 3 Article 03 15 14 Cont d OTHER APPLICABLE ARTICLES 99 13 8 00 3 7 SUPERSEDES 98 9 8 99 10 5 WARRANTY STATUS INFORMATION ONLY TB 7241 A Figure 1 Article 03 15 14 ACTUATOR LOAD SCHEMATIC 12 00 VOLTS VCT 0 0 0 2 VOLTS SOLENOID CIRCUIT AO PWR GND CAMDCR NGS VCTDC WDS 12 00 VOLTS 0 00 0 02 0 05 VOLTS 99 00 TB 7242 A Figure 2 Article 03 15 14
7. re 2 2 CAMERR NGS VCTADVERR WDS 0 to 30 is how many degrees the exhaust cam is out from the requested position Values mean the cam is not retarded enough and values indicate the cam is over retarded see Figure 3 3 NGS VCTADV WDS 15 to 45 represents actual position of the cam relative to the crankshaft see Figure 4 Normal PID Values Approximate Normal PID Values Approximate mos WDSPIDs UNITS wam 1500 4566 RPM RCAM VCTADV VCTA VCTADV DEGREES MODE ON OFF VCTADVERR CAMERR DEGREES CAMDCR VCTDC PERCENT VCTSYS NGS MODE ON OFF WDS MODE OL CL OL OPEN LOOP CL CLOSE LOOP VCTENA PAGE 2 15 00 OFF OR 0 Article 03 15 14 Cont d DTC s P1380 VCT Solenoid Malfunction Indicates a VCT circuit failure between the PCM and the VCT solenoid or possible VCT solenoid failure Check for 3 6 ohms resistance at the VCT Solenoid with the connector disconnected Check for 12 volts power at the VCT harness check continuity at the VCT ground and PCM driver Consult the appropriate Electrical and Vacuum Troubleshooting Manual EVTM for circuit location and description see Figure 5 P1381 VCT Over Advanced Indicates the exhaust camshaft would not retard to the position requested by the PCM These are the following possibilities 1 The VCT is not moving the E
8. t in proper vehicle service The procedures should not be performed by do it yourselfers Do not assume that a condition described affects your car or truck Contact a Ford Lincoln or Mercury dealership to determine whether the Bulletin applies to your vehicle Copyright 2003 Ford Motor Company PAGE 1 Article 03 15 14 Cont d 10 If the cycling procedure succeeded a Clear codes b Change oil and filter and restore the vehicle NOTE VEHICLES WITH A VARIABLE CAMSHAFT USE FORD OIL FILTER FL 2005 THIS OIL FILTER HAS AN INTERNAL CHECK VALVE THAT KEEPS THE EXHAUST VALVE CLOSED WHEN THE ENGINE IS OFF THIS WILL PREVENT ANY HARD START OVER FUELING OR FLOODING CONDITIONS ON INITIAL START UP FIGURE 1 NOTE VEHICLES WITH A VARIABLE CAMSHAFT RUN ON A MINIMUM OIL PRESSURE OF 50 PSI REGARDLESS OF THE ENGINE TEMPERATURE 11 If VCT remains disabled at 3000 rom RCAM does not increase from idle reading refer to PC ED Service Manual Comparison chart on VCT PIDs NGS New Generation Start Tester and WDS World Wide Diagnostic System DEGREES MODE ON OFF RCAM VCTA VCTADV CAMERR VCTADVERR DEGREES CAMDCR VCTDC PERCENT VCTENA VCTSYS NGS MODE ON OFF WDS MODE OLICL OL OPEN LOOP CL CLOSE LOOP Parameter Identification Displays PIDs Relevant 1 CAMDCR NGS WDS 0 to 99 is the On time of the solenoid as requested by the PCM see Figu
9. xhaust Camshaft possible bad VCT Solenoid 2 The VCT is not moving the Exhaust Camshaft possible bad Sprocket sticking Sprocket 3 The VCT is not moving the Exhaust Camshaft possible low oil pressure on VCT systems the engine has to have a minimum of 50 PSI 4 The VCT is not moving the Exhaust Camshaft possible wrong oil weight contaminated oil or wrong oil filter Oil filter recommended is FL 2005 see Figure 6 P1383 VCT Over Retarded Indicates The Exhaust Camshaft Would Not Advance Return To The Position Requested By The PCM 1 The VCT is not moving the Exhaust Camshaft possible bad VCT Solenoid 2 The VCT is not moving the Exhaust Camshaft possible bad Sprocket or sticking Sprocket 3 The VCT is not moving the Exhaust Camshaft possible low oil pressure on VCT systems the engine has to have a minimum of 50 PSI 4 The VCT is not moving the Exhaust Camshaft possible wrong oil weight contaminated oil or wrong oil filter Oil filter recommended is FL 2005 see Figure 7 P1381 P1383 amp P0340 VCT Over Advanced Retarded Indicates the exhaust camshaft would not advance retard to the position requested by the PCM These are the following possibilities 1 The VCT is not moving the Exhaust Camshaft or possible bad VCT Solenoid 2 The VCT is not moving the Exhaust Camshaft possible bad Sprocket or sticking Sprocket 3 The VCT is not moving the Exhaust Camshaft possible low oil pr
Download Pdf Manuals
Related Search