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Circuit/System Verification

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Windshield Washer Switch parameter while pressing and releasing the washer switch. The reading should change between INACTIVE and ACTIVE.
    • If the reading does not change between INACTIVE and ACTIVE, refer to Windshield Washer Switch Circuit Test in Circuit/System Testing .
  2. Command the Windshield Washer Relay Command ON and OFF with a scan tool. The windshield washers should turn ON and OFF when changing between the commanded states.
    • If windshield washers do not turn ON and OFF, refer to the Washer Pump Circuit Test in Circuit/System Testing .
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