Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 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 |
|---|---|---|---|---|
| WPR HI 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 | - | - |
| WPR Relay Control | B3715 02 | 1 | 4 | - |
| WPR HI 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 | - | - |
| WPR 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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