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Home >> Chevrolet >> 2013 >> Trax LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> DTC B0987: Vehicle Direction Camera Indicator >> Circuit/System Testing
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Circuit/System Testing

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 OFF, and all vehicle systems OFF, disconnect the harness connector at the S48E Multifunction Switch - Center Console, ignition ON.
  2. Test for 9.1 - 12.6 V between the dimming control circuit terminal 8 and ground.
    NOTE:

    Verify interior lighting dimming is turned all the way up.

    • If less than 9.1 V 
    1. Ignition OFF, disconnect the X1 harness connector at the K9 Body Control Module.
    2. Test for infinite resistance between the control circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the control circuit end to end.
    • If greater than 12.6 V 
    1. Ignition OFF, disconnect the X1 harness connector at the K9 Body Control Module, ignition ON.
    2. Test for less than 1 V between the control circuit and ground.
    • If between 9.1- 12.6 V 
  3. Ignition OFF, disconnect the harness connector at the K109 Frontview Camera Module, ignition ON.
  4. Test for less than 1 V between the control circuit terminal 6 and ground.
    • If 1 V or greater 

      Repair the short to voltage on the circuit.

    • If less than 1 V 
  5. Ignition OFF.
  6. Test for infinite resistance between the control circuit terminal 6 and ground.
    • If less than infinite resistance 

      Repair the short to ground on the circuit.

    • If infinite resistance 
  7. Test for less than 5 Ω between the K109 Frontview Camera Module terminal 4 and S48E Multifunction Switch - Center Console circuit terminal 6.
    • If greater than 5 Ω 

      Repair the open/high resistance in the circuit.

    • If less than 5 Ω 
  8. Test or replace the S48E Multifunction Switch - Center Console.
  9. Verify the lane departure switch Indicator turns ON and OFF when pressing and releasing the lane departure warning switch.
    • If indicator does not turn on and off 

      Replace K109 Frontview Camera Module.

    • If indicator turns on and off 
  10. All OK.
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