Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Perform the DIAGNOSTIC SYSTEM CHECK - VEHICLE prior to using this diagnostic procedure.
DTC B0283
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Relay Switch B+ Circuit | 2 | 2 | - | - |
| Rear Defogger Relay Control | B0283 02 | B0283 05 | B0283 05 | - |
| Relay Controlled Output Circuit | 2 | 2 | 3 | - |
| Rear Defogger Switch Signal | 2 | 2 | 2 | - |
| Defog Switch Ground | - | 1, 2 | 1, 2 | - |
| Rear Window Defogger Grid Ground | - | 2 | 2 | - |
| Relay Coil Ground Circuit | - | 2 | 2 | - |
| 1. HVAC Defogger Indicator Inoperative 2. Rear Defogger Inoperative 3. Rear Defogger Always ON |
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