Trouble Diagnoses Symptom Chart
WARNING: This page is about a different car, the 2006 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
Make sure other systems using the signal of the following systems operate normally.
SYMPTOM CHART
| Symptom | Diagnoses / Service procedure |
|---|---|
| Rear window defogger and door mirror defoggers do not operate. (With heated mirrors) | 1. BCM POWER SUPPLY AND GROUND CIRCUIT CHECK |
| 2. IPDM E/R AUTO ACTIVE TEST CHECK | |
| 3. Rear window defogger switch circuit check (See BCM POWER SUPPLY AND GROUND CIRCUIT CHECK ) | |
| 4. REPLACE IPDM E/R | |
| Rear window defogger does not operate. (Without heated mirrors) | 1. BCM POWER SUPPLY AND GROUND CIRCUIT CHECK |
| 2. IPDM E/R AUTO ACTIVE TEST CHECK | |
| 3. Rear window defogger switch circuit check (See BCM POWER SUPPLY AND GROUND CIRCUIT CHECK ) | |
| 4. Rear window defogger circuit check | |
| 5. FILAMENT CHECK | |
| 6. REPLACE IPDM E/R | |
| Rear window defogger does not operate but both door mirror defoggers operate. (With heated mirrors) | 1. Rear window defogger circuit check |
| 2. Filament check (See FILAMENT CHECK ) | |
| 3. REPLACE IPDM E/R | |
| Both door mirror defoggers do not operate but rear window defogger operates. (With heated mirrors) | 1. Door mirror defogger power supply circuit check |
| 2. REPLACE IPDM E/R | |
| Door mirror LH defogger does not operate. | 1. DOOR MIRROR LH DEFOGGER CIRCUIT CHECK |
| Door mirror RH defogger does not operate. | 1. DOOR MIRROR RH DEFOGGER CIRCUIT CHECK |
| Rear window defogger switch does not light, but rear window defogger operates. | 1. REPLACE FRONT AIR CONTROL |