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Home >> Pontiac >> 2008 >> Torrent Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System & Washer System >> Diagnostic Information and Procedures >> Washer Malfunction >> Circuit/System Testing >> Windshield Washer Switch Circuit Test

Windshield Washer Switch Circuit Test

  1. Ignition ON, verify that the scan tool Windshield Washer Switch parameter is Active while pressing the washer switch.
    • If not Active, test the following:
      • Perform the multifunction switch component test.
      • Test the windshield washer switch signal circuit for an open/high resistance. If the washer switch and circuit test normal, replace the body control module.
  2. Ignition OFF, disconnect I/P fuse block connector X4.
  3. Connect a test lamp from battery voltage to the windshield washer pump relay control circuit in connector X4 terminal A3.
  4. Ignition ON, verify that the test lamp illuminates while pressing the washer switch.
    • If the test lamp does not illuminate, test the washer relay control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the body control module.
  5. If all circuits test normal, replace the underhood fuse block.
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