Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Rear Window Wiper Switch Ignition Voltage | 1 | 1 | - | - |
| Rear Window Wiper Switch Signal | 1 | 2 | 4 | - |
| Rear Window Washer Pump Relay Control | 1 | 3 | 5 | - |
| Rear Window Washer Pump Control | 3 | 3 | 5 | - |
| Rear Window Washer Pump Ground | - | 3 | - | - |
| 1. All rear wiper washer system functions inoperative. 2. Rear wiper motor inoperative. 3. Rear washer pump inoperative. 4. Rear wiper motor always on. 5. Rear washer pump always on. |
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