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 |
|---|---|---|---|---|
| WIPER 2 Relay B+ | 1, 2 | 1, 2 | - | - |
| Windshield Wiper Switch Signal | B3922 00 | 1 | 1 | - |
| Windshield Wiper Switch High Signal | 4 | 2 | 2 | - |
| Windshield Wiper Motor Park Switch Signal | 3 | 3 | - | - |
| WIPER 1 Relay Control | B3715 02 | 1 | 4 | - |
| WIPER 2 Relay Control | 4 | 2 | B3875 00 | - |
| Windshield Wiper Motor High Speed Control | 2 | 2 | 4 | - |
| Windshield Wiper Motor Low Speed Control | 1 | 1 | 4 | - |
| Windshield Wiper Switch Low Reference | - | 1, 2 | 1, 2 | - |
| Windshield Wiper Motor Ground | - | 1, 2, 3 | - | - |
| WIPER 1 Relay Ground | - | 1 | - | - |
| 1. Delay or Low Speed Wipers Inoperative 2. High Speed Wipers Inoperative 3. Wipers Do Not Park 4. Wipers Always ON |
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