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Home >> Buick >> 2014 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (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 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify DTC U1515 is not set.
    • If DTC U1515 is not set 
  2. Verify DTC B371A is not set.
    • If DTC B371A is not set 
  3. Cycle the Windshield Wiper Switch from OFF to HIGH.
  4. Verify the scan tool Windshield Wiper Switch parameter cycles as the Windshield Wiper Switch is cycled.
    • If parameter does not cycle correctly 

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

    • If parameter cycles correctly 
  5. S82 windshield wiper/washer switch in the INT position, cycling the delay adjustment switch from long delay to short delay, observe the scan tool Windshield Wiper Switch parameter while cycling the delay adjustment switch from long delay to short delay.
  6. Verify the parameter cycles from Delay 1 through Delay 5 as each delay position is selected.
    • If parameter does not cycle from Delay 1 to Delay 5 

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

    • If parameter does cycle from Delay 1 to Delay 5 
  7. All OK.