Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Chevrolet >> 2013 >> Spark LS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> DTC B370B: Rear Wiper Function Control >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2014 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle in Service Mode.
  2. Verify the scan tool Rear Wiper Switch parameter changes between Off and On when turning the rear wipers ON and OFF..
    • If the parameter does not change 

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

    • If the parameter changes 
  3. Verify the Rear Wiper Motor turns On when commanding the Rear Wiper Active with a scan tool.
    • If the Rear Wiper Motor does not turn ON 

      Refer to Circuit/System Testing - Rear Wiper Motor Malfunction

    • If the Rear Wiper Motor turns ON 
  4. All OK.