Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Windshield Washer Solvent Heater Malfunction
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Battery Positive Voltage | 1 | 1 | - | - |
| Ignition 3 Voltage | 1 | 1 | - | - |
| Washer Fluid Heated Control Switch Signal | 3 | 1 | 1 | - |
| Windshield Washer Switch Signal | 4 | 1 | 4 | - |
| Washer Fluid Heated Control Switch LED Supply Voltage | 2 | 2 | 1 | - |
| Washer Solvent Heater Assembly Ground | - | 1 | - | - |
| Washer Solvent Heater Assembly Logic Ground | - | 1 | - | - |
| 1. Windshield Washer Solvent Heater Malfunction 2. Windshield Washer Solvent Heater Indicator Inoperative 3. Windshield Washer Solvent Heater Indicator Always ON 4. Windshield Wiper System Malfunction |
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