Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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 SPEED 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 CONTROL Relay Control | B3715 02 | 1 | 4 | - |
| WIPER SPEED 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 CONTROL 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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