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Home >> Chevrolet >> 2013 >> Trax LS, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System And Washer System >> Diagnostic Information and Procedures >> DTC B3873 >> Circuit/System Verification

Circuit/System Verification

  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 below.

    • 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 below.

    • 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 below.

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