Trouble Diagnoses Symptom Chart
Make sure other systems using the signal of the following systems operate normally.
TROUBLE DIAGNOSES SYMPTOM CHART
| Symptom | Diagnoses/Service procedure | Refer to | ||||
|---|---|---|---|---|---|---|
| Rear window defogger and door mirror defogger do not operate. | 1. Check BCM power supply and ground circuit | CHECK BCM POWER SUPPLY AND GROUND CIRCUIT | ||||
| 2. Check IPDM E/R auto active test | AUTO ACTIVE TEST | |||||
| 3. Check rear window defogger switch circuit | CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT | |||||
| 4. Check rear window defogger power supply circuit | CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT | |||||
| 5. Replace IPDM E/R | REMOVAL AND INSTALLATION OF IPDM E/R | |||||
| Rear window defogger does not operate but both of door mirror defogger operate. | 1. Check rear window defogger circuit | CHECK REAR WINDOW DEFOGGER CIRCUIT | ||||
| 2. Check filament | CHECK FILAMENT | |||||
| Both of door mirror defogger does not operated but rear window defogger operates. | Check door mirror defogger power supply circuit | CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT | ||||
| Driver side door mirror defogger does not operate. | Check driver side door mirror defogger circuit | CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT | ||||
| Passenger side door mirror defogger does not operate. | Check passenger side door mirror defogger circuit | CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER CIRCUIT | ||||
| Rear window defogger switch does not light, and rear window defogger is not displayed on the display. But rear window defogger operates. |
Check rear window defogger signal | DIAGNOSIS PROCEDURE(1) DIAGNOSIS PROCEDURE(2) |
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| Rear window defogger switch does not light, but rear window defogger operates | Replace multi-function switch | CONTROLLER | ||||
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