Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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 |
|---|---|---|---|---|
| Windshield Wiper Motor Relay Coil Supply Voltage | B3874 | 2 | 6 | - |
| Windshield Wiper Switch High Signal | 6 | 4 | 1 | - |
| Windshield Wiper Switch Low Signal | 6 | 3 | 1 | - |
| Windshield Wiper Motor Park Switch Signal | 5 | 5 | - | - |
| Windshield Wiper High Speed Relay Control | 7 | 4 | B3875 00 | - |
| Windshield Wiper Motor High Speed Control | 2 | 4 | - | - |
| Windshield Wiper Motor Low Speed Control | 2 | 3 | B3874 00 | - |
| Windshield Wiper Motor Ground | - | 2 | - | - |
| Windshield Wiper Switch Ground | - | 1 | - | - |
| 1. Wipers and washers Inoperative in all modes 2. Wipers Inoperative All Modes and Washers Work 3. Delay or Low Speed Wipers Inoperative 4. High Speed Wipers Inoperative 5. Wipers Do Not Park 6. Wipers Always On 7. Wipers Operate at High Speed in the Low Speed Mode |
||||