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Home >> Buick >> 2013 >> Encore Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> DTC B3873: Front Washer Relay >> 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 Windshield Washer pump does not activate
    • If Windshield Washer Pump Activates,  

      Refer to Circuit/System Testing - Windshield Washer Pump Malfunction

    • If Windshield Washer Pump does not Activate 
  3. Verify the scan tool Windshield Washer Switch parameter changes between Active and Inactive when pressing and releasing the washer switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Washer Switch Malfunction.

    • If the parameter changes 
  4. Verify the G24 Windshield Washer Pump activates when commanding the Windshield Washer Relay Active with a scan tool.
    • If the Windshield Washers do not turn ON 

      Refer to Circuit/System Testing - Windshield Washer Pump Malfunction

    • If the Windshield Washers turn ON 
  5. All OK.