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Troubleshooting

1. Repair open in YEL BLK wire between the fuse box and the recirc motor Inspect the recirc motor page 15 37 Is the recirc motor OK YES Replace the motor recirc Check the GRN WHT terminal for continuity to body ground in FRESH position Repair open in GRN WHT wire between recirc motor and the heater control panel Is there continuity Check the GRN RED terminal for continuity to body ground in REC position Repair open in GRN RED wire between the recirc motor and the heater control panel ls there continuity Replace the heater control panel 15 18 Replacement 1 Remove the glove box 4 Without A C 2 Remove the glove box frame Remove the blower mounting nuts 3 Disconnect the connectors from the blower motor resister and recirculation control motor then remove the blower gover FRAME __ Oh Z GS ep ey GLOVE BOX 3 Without A C 5 With A C Remove the self tapping screws 2 and remove the Turn over the carpet and remove the side cover heater duct Remove the control unit bracket mounting nuts 4 Disconnect the connectors 5 and remove the control unit bracket XG x AN CD X 9 arias BY lt cont d 15 19
2. B Turn the ignition switch OFF Disconnect the blower relay from the fuse box Inspect the blower relay page 15 34 Is the blower relay OK YES Replace the blower relay Measure the voltage between the fuse box No 1 terminal and body ground To page 15 14 15 13 Troubleshooting Troubleshooting Flowchart Blower cont d From page 15 13 Repair open in WHT wire between No 18 30 A fuse and blower relay Is there battery voltage Measure the voltage between the fuse box No 1 terminal and body ground Turn the ignition switch ON NO lt Is there battery votage NO T Repair the fuse box YES Turn the ignition switch OFF Check for continuity between the BLK terminal and body ground G401 402 lt Is there continuity YES Repair open BLK wire between the fuse box and body ground or poor ground G401 402 Repair open YEL BLK wire between the fuse box and blower relay 15 14 Troubleshooting Flowchart Function Control NOTE Check the following blown No 8 7 5 A fuse sticking function link and function doors Function control motor does not run from the function control motor Disconnect the 8 P connector Turn the ignition switch ON Measure the voltage between YEL B
3. LK terminal and body ground Is there battery voltage Check for continuity from BLK terminal to body ground d NO Is there continuity YES Turn the ignition switch OFF Inspect the function control motor page 15 37 Is the function control motor OK YES To page 15 16 NO YEL BLK BLK Repair open in YEL BLK wire between the function control motor and fuse box Repair open in BLK wire between the function control motor and body ground or poor ground G401 402 Replace the function contro motor View from wire side cont d 15 15 Troubleshooting Troubleshooting Flowchart Function Control cont d From page 15 15 Reconnect the 8 P connector to the function control motor Disconnect the 14 P connector from the heater control panel Check for continuity between BLK LT GRN RED terminals and body ground Is there continuity YES Turn the ignition switch ON Connect each wire LT GRN WHT LT GRN BLK YEL GRN BLU RED BLU to body ground Does the function control motor NO run normally YES Replace the heater control switch 15 16 YEL GRN BLU RED View from wire side Repair open in BLK LT GRN RED wire or poor ground G401 402 NOTE If the function contro motor i
4. Troubleshooting Troubleshooting Flowchart Blower NOTE Check for a blown No 18 30 A No 8 7 5 A fuse Blower motor does not run at all Disconnect the 2 P connector from the blower motor BLU RED YEL BLK Turn the ignition switch ON Measure the voltage between YEL BLK terminal and body ground Is there battery voltage YES YEL BLK BLU RED To page 15 13B View from wire side RH TYPE NOTE Connect the battery positive to the YEL BLK terminal and negative to the BLU RED terminal and check that the blower motor runs Replace the blower motor Inspect the blower motor Is the blower motor OK Turn the ignition switch OFF Reconnect the 2 P connector to the blower motor Disconnect the 8 P connector from the heater fan switch Measure the voltage between BLU RED terminal and body ground View from wire side To page 15 13 A 15 12 From page 15 12 A Turn the ignition switch ON NO is there battery voltage YES Turn the ignition switch OFF Inspect the fan switch page 15 34 Is the fan switch OK YES Repair open in BLK wire between the fan switch and body ground or poor ground G401 402 Repair open in BLU RED wire between blower and fan switch Replace the fan switch From page 15 12
5. s in the vent position it will not run when the LT GRN WHT wire is grounded In this case ground the LT GRN WHT wire again after groun ding the other wires Repair open in wire LT GRN WHT LT GRN BLK YEL GRN BLU LED BLU between the function control motor and heater control panel Troubleshooting Flowchart Recirculation Control NOTE Check following Sticking blower side link and recirc door Blown No 8 7 5 A fuse Recirculation control door does not change between FRESH and REC or continues to run Push the REC button and turn the ignition switch ON Does the motor run all the time NO Repair short in GRN RED wire between recirc motor and fan switch Replace the control switch Push the FRESH button and turn the ignition switch ON Does the motor run all the time Turn the ignition switch OFF Disconnect the 3 P connector from the recirc motor at the bot tom of the blower assembly Turn the ignition switch ON Measure the voltage between the YEL BLK and body ground To page 15 18 Repair short in GRN WHT wire between recirc motor and fan switch Replace the control switch T GRN WH YEL BLK GRN RED View from wire side cont d 15 17 Troubleshooting Troubleshooting Flowchart Recirculation Control cont d From page 15 17 Is there battery voltage YES

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