System Tests: Notes
CAUTION:
Before replacing any control module, ensure all module ground and power circuits are functioning properly. For circuit identification, see GROUND DISTRIBUTION and POWER DISTRIBUTION articles in WIRING DIAGRAMS.
SYMPTOM INDEX
| Symptom | Perform System Test |
|---|---|
| Rear Window Defogger Does Not Operate (DTC B1343) | A |
| Rear Window Defogger Does Not Turn Off Automatically | B |
| No Communication With Generic Electronic Module | C |
| No Communication With Instrument Cluster Module | D |