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HOMESERVICE MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASIMAGE DISPLAY CAMERA SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESREAR VISION CAMERA SYSTEM MALFUNCTION (CHEVROLET/GMC WITH IO5/IO6 WITHOUT REAR SEAT ENTERTAINMENT)CIRCUIT/SYSTEM TESTINGCIRCUIT/SYSTEM TESTING - C: NO REAR VIEW CAMERA IMAGE
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas

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

2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION Circuit/System Testing - C: No Rear View Camera Image
  1. Ignition OFF and all vehicle systems OFF, disconnect the X900 harness connector It may take up to 2 min for all vehicle systems to power down.
  2. Test for less than 10 Ω between the ground circuit terminal 7 and ground.
    • If 10 Ω or greater 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the ground circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, repair the open/high resistance in the ground connection.
    • Go to next step: If less than 10 Ω 
  3. Ignition ON.
  4. Verify a test lamp illuminates between the ignition circuit terminal 4 and ground.
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, verify the fuse is OK and there is voltage at the fuse. Refer to Power Mode Mismatch .
    • If the test lamp does not illuminate and the circuit fuse is open 
    1. Ignition OFF.
    2. Test for infinite resistance between the ignition circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the B87 Rearview Camera.
    • Go to next step: If the test lamp illuminates 
  5. Engine running, parking brake applied, transmission in REVERSE.
  6. Verify a test lamp illuminates between the control circuit terminal 2 and ground.
    • If the test lamp does not illuminate 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the ignition circuit end to end.
    • Go to next step: If the test lamp illuminates 
  7. Ignition OFF, disconnect the X1 harness connector at the K188 Human Machine Interface Control Module Bypass Module, ignition ON.
  8. Test for less than 1 V between the signal circuit terminals listed below and ground:
    • K188 Human Machine Interface Control Module Bypass Module signal (+) circuit terminal 6 X1
    • K188 Human Machine Interface Control Module Bypass Module signal (-) circuit terminal 18 X1
    • If 1 V or greater 

      Repair the short to voltage on the circuit.

    • Go to next step: If less than 1 V 
  9. Ignition OFF.
  10. Test for infinite resistance between the signal circuit terminals listed below and ground:
    • K188 Human Machine Interface Control Module Bypass Module signal (+) circuit terminal 6 X1
    • K188 Human Machine Interface Control Module Bypass Module signal (-) circuit terminal 18 X1
    • If less than infinite resistance 

      Repair the short to ground on the circuit.

    • Go to next step: If infinite resistance 
  11. Test for less than 2 Ω between the K188 Human Machine Interface Control Module Bypass Module signal (+) circuit terminal 6 X1 and X900 signal (+) circuit terminal 3.
    • If 2 Ω or greater 

      Repair the open/high resistance on the circuit.

    • Go to next step: If less than 2 Ω 
  12. Test for less than 2 Ω between the K188 Human Machine Interface Control Module Bypass Module signal (-) circuit terminal 18 X1 and X900 signal (-) circuit terminal 8.
    • If 2 Ω or greater 

      Repair the open/high resistance on the circuit.

    • Go to next step: If less than 2 Ω 
  13. Ignition OFF and all vehicle systems OFF. It may take up to 2 min for all vehicle systems to power down.
  14. Test for less than 10 Ω between the K188 Human Machine Interface Control Module Bypass Module ground circuit terminal 5 X1 and ground.
    • If 10 Ω or greater 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the ground circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.

        If less than 2 Ω, repair the open/high resistance in the ground connection.

    • Go to next step: If less than 10 Ω 
  15. Verify a test lamp illuminates between the B+ circuit terminal 1 X1 and ground.
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the B+ circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, verify the fuse is OK and there is voltage at the fuse.
    • If the test lamp does not illuminate and the circuit fuse is open 
    1. Ignition OFF.
    2. Test for infinite resistance between the B+ circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K188 Human Machine Interface Control Module Bypass Module.
    • Go to next step: If the test lamp illuminates 
  16. Ignition ON.
  17. Verify a test lamp illuminates between the ignition circuit terminal 2 X1 and ground.
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, verify the fuse is OK and there is voltage at the fuse. Refer to Power Mode Mismatch .
    • If the test lamp does not illuminate and the circuit fuse is open 
    1. Ignition OFF.
    2. Test for infinite resistance between the ignition circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K188 Human Machine Interface Control Module Bypass Module.
    • Go to next step: If the test lamp illuminates 
  18. Engine running, parking brake applied, transmission in REVERSE.
  19. Verify a test lamp illuminates between the control circuit terminal 9 X1 and ground.
    • If the test lamp does not illuminate 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the control circuit end to end.
    • Go to next step: If the test lamp illuminates 
  20. Reconnect the K188 Human Machine Interface Control Module Bypass Module.
  21. Ignition OFF, disconnect the P17 Info Display Module connector X3 and the K188 Human Machine Interface Control Module Bypass Module connector X3.
  22. Ignition OFF, connect the EL-50334-2 to the P17 Info Display Module connector X3 and EL-50334-14 to the K188 Human Machine Interface Control Module Bypass Module connector X3. Connect EL-50334-2 and EL-50334-14 together.
  23. Engine running, parking brake applied, transmission in REVERSE.
  24. Verify the rear view image displays properly.
    • If the image displays properly 

      Replace the USB harness between the P17 Info Display Module connector X3 and the K188 Human Machine Interface Control Module Bypass Module connector X3.

    • Go to next step: If the image does not display properly 
  25. Ignition OFF, disconnect the K74 Human Machine Interface Control Module X5.
  26. Connect the EL-50334-14 to the K74 Human Machine Interface Control Module connector X5 and connect the EL-50334-2 to the P17 Info Display Module connector X3. Connect EL-50334-2 and EL-50334-14 together.
  27. Add Nyogel lubricant 760G to electrical terminals.
  28. Reconnect all electrical connections.
  29. Engine running, parking brake applied, transmission in REVERSE.
  30. Verify the rear view image displays properly.
    • If rear view image displays properly 

      Replace the K188 Human Machine Interface Control Module Bypass Module.

    • Go to next step: If the rear view image does not display properly 
  31. Replace the P17 Info Display Module.
  32. Engine running, parking brake applied, transmission in REVERSE.
  33. Verify the rear view image displays properly.
    • If rear view image is not displayed 

      Replace the B87 Rearview Camera.

    • Go to next step: If rear view image is displayed 
  34. All OK.
RENDER: 1.0x

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