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Home >> Buick >> 2013 >> Encore Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> Windshield Wiper System Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Windshield Wiper Switch parameter changes between Off and Low when activating the low speed windshield wipers.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Windshield Wiper/Washer Switch Malfunction.

    • If the parameter changes 
  3. Verify the scan tool Windshield Wiper Switch parameter changes between Delay 1 and Delay 5 when cycling the intermittent speed windshield wipers.
    • If the parameter does not change 

      Test or replace the S82 Windsheild Wiper/Washer Switch.

    • If the parameter changes 
  4. Verify the scan tool Windshield Wiper High Speed Switch parameter changes between Active and Inactive when activating the high speed windshield wipers.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Windshield Wiper/Washer Switch Malfunction.

    • If the parameter changes 
  5. Verify the M75 Windshield Wiper Motor changes between Off, Low, and High when cycling the S82 Windshield Wiper/Washer Switch between Off, Low, and High.
    • If the Windshield Wiper Motor does not cycle between Off, Low, and High 

      Refer to Circuit/System Testing - Windshield Wiper Motor Malfunction

    • If the Windshield Wiper Motor cycles between Off, Low, and High 
  6. Ignition OFF.
  7. Verify the scan tool Windshield Wiper Park Switch parameter is Active.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Windshield Wiper Motor Malfunction.

    • If the parameter changes 
  8. All OK.