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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Fixed And MOVEABLE Window System) >> Diagnostic Information and Procedures >> DTC B316B: Driver Window Switch >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. S79D Window Switch - Driver - Not Pressed

    Verify the scan tool parameter:

    • Driver Window Main Control Down Switch=Inactive
    • Driver Window Main Control Up Switch=Inactive
    • Driver Window Main Control Express Switch=Inactive
    • If not the specified state 

      Refer to Circuit/System Testing

    • If the specified state 
  3. Operate the component: S79D Window Switch - Driver - Pressed & Pulled

    Verify the scan tool parameter:

    • Driver Window Main Control Down Switch=Active
    • Driver Window Main Control Up Switch=Active
    • Driver Window Main Control Express Switch=Active
    • If not the specified state 

      Refer to Circuit/System Testing

    • If the specified state 
  4. All OK.
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