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 >> Rear Wiper Washer System Malfunction >> Circuit/System Verification

Circuit/System Verification

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.
  1. Ignition ON, verify the rear wiper operates normally using the rear wiper switch.
  2. Connect a test lamp between the relay side of the REAR WASH fuse and ground.
  3. Verify that the test lamp turns on and off while pressing and releasing the rear window washer switch.
    • If the test lamp does not turn on and off while changing between the commanded states, refer to the Rear Washer Pump Relay Control Circuit Test below.
  4. If the rear washer pump does not operate properly, refer to the Rear Washer Pump Circuit Test below.
scientia non olet · About LEMON Manuals