LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Wiper System & Washer System) >> Diagnostic Information and Procedures >> Windshield Washer Solvent Heater Malfunction >> Component Testing

Component Testing

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.

Heated Washer Fluid Switch

  1. Ignition OFF, disconnect the harness connector at the instrument panel accessory switch assembly.
  2. Test for infinite resistance between the switch signal circuit terminal and the ground circuit terminal with the switch in the open position.
    • If less than infinite, replace the accessory switch assembly.
  3. Test for less than 3 ohms between the switch signal circuit terminal and the ground circuit terminal with the switch in the closed position.
    • If greater than 3 ohms, replace the accessory switch assembly.