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Home >> Cadillac >> 2017 >> Escalade Base, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Rear Vision Camera System Malfunction (Chevrolet/GMC with IO5/IO6 without Rear Seat Entertainment) >> Circuit/System Verification
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Circuit/System Verification

NOTE:

If the condition is intermittent or cannot be duplicated, disconnect the connectors and add Nyogel lubricant 760G. This procedure will correct the high resistance condition due to terminal fretting corrosion.

  1. Verify there is no debris on the B87 Rearview Camera lens and that the bezel and bezel seal are not damaged.
    • If debris is found on the lens 

      Clean the lens. If the lens, bezel, or bezel seal are damaged, replace as necessary.

    • If there is no debris on the lens 
  2. Engine running, parking brake applied, transmission in R.
  3. Verify the backup lamps are illuminated.
    • If the backup lamps are illuminated 
  4. Ignition ON. Verify P17 Info Display Module displays the home screen and radio information properly.
    • If the P17 Info Display is not displaying properly 
    1. Engine running, parking brake applied, transmission in R.
    2. Verify a clear rear vision image is displayed on the P17 Info Display Module.
      • If a clear rear vision image is displayed 

        Refer to Circuit/System Testing- A: Info Display does not Display Radio Information

      • If a clear rear vision image is not displayed 

        Refer to Circuit/System Testing - B: Info Display Module does not Display Anything.

    • If the P17 Info Display displays properly 
  5. Engine running, parking brake applied, transmission in R.
  6. Verify a clear rear vision image is displayed on the P17 Info Display Module.
    • If a clear image is not displayed 

      Refer to Circuit/System Testing - C: No Rear View Camera Image.

    • If a clear image is displayed 
  7. Verify a clear enhanced rear vision image, which includes projected path lines and object detection indicators, is displayed on the P17 Info Display Module.
    • If an enhanced clear image is not displayed 

      Refer to Circuit/System Testing - D: No Enhanced Rear View Camera Image.

    • If an enhanced clear image is displayed 
  8. All OK.
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