Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Defogger Schematics Connector End View Reference: Master Electrical Component List | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Does the rear window defogger still on? | Go to Step 5 | Go to Step 3 |
3 | Using a test lamp, probe between the REAR WINDOW DEFOGGER relay battery positive voltage coil supply circuit and the REAR WINDOW DEFOGGER relay context circuit. Does the test lamp illuminate? | Go to Step 4 | Go to Step 6 |
4 | Test for a short to ground in the REAR WINDOW DEFOGGER relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 8 | Go to Step 7 |
5 | Repair a short to battery positive voltage in the rear defog element supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 8 | -- |
6 | Replace the REAR WINDOW DEFOGGER relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 8 | -- |
7 | Replace the body control module (BCM). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
