Inspection Procedure 1: Rear view camera image is not correctly displayed.


caution Before replacing the rear view camera or multivision display, ensure that the power supply circuit, the earth circuit, and the communication circuit are normal (Check that the voltage is 10 V or more).

COMMENTS ON TROUBLE SYMPTOM


When the screen of rear view camera is not shown even if the selector lever is "R" (Reverse) position, the rear view camera, the multivision display, the wiring harness, connectors, inhibitor switch may be defective.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


STEP 1. Check the multivision display operation.


Check if the multivision display normally and the sound is output.

Q. Is the check result normal?

Go to Step 2.

Troubleshoot the MMES (Refer to ).

STEP 2. Confirmation the service mode.



  1. Display the "Check Connectivity" screen (Refer to ).
  2. Move the selector lever to the "R" (reverse) position.
  3. Check that "Back Sensor" is "OK."

Q. Is the check result normal?

Go to Step 5.

Go to Step 3.

STEP 3. Check the inhibitor switch.


Check the continuity of the inhibitor switch. (Refer to GROUP 23A - On-vehicle service, Inhibitor switch continuity check )

Q. Is the check result normal?

Go to Step 4.

Replace the inhibitor switch.

STEP 4. Check of short to power supply, short to earth, and open circuit in REV line between multivision display connector and inhibitor switch connector.


Q. Is the check result normal?

Go to Step 7.

Repair the connector(s) or wiring harness.

STEP 5. Confirmation the service mode.



  1. Display the "Check Connectivity" screen (Refer to ).
  2. Check that "Rear Camera" is "OK."

Q. Is the check result normal?

Go to Step 7.

Go to Step 6.

STEP 6. Check of short to power supply, short to earth, and open circuit in CACC, CGND, CDET, CMP- and CMP+ line between multivision display connector and rear view camera connector.


Q. Is the check result normal?

Go to Step 7.

Repair the wiring harness.

STEP 7. Trouble symptom recheck.


Check that the display of rear view camera is shown normally.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).

Replace the rear view camera temporarily and go to Step 8.

STEP 8. Trouble symptom recheck.


Check that the display of rear view camera is shown normally.

Q. Is the check result normal?

This diagnosis is complete.

Replace the multivision display.