Inspection Procedure 3: The rear display unit not displays the multivision display picture.


caution Whenever the rear display unit is replaced, ensure that the communication circuit is normal.

COMMENTS ON TROUBLE SYMPTOM


The wiring harness between the multivision display and the rear display unit, the multivision display, the rear display unit may have a problem.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


STEP 1. Check the multivision display operation.


Check whether the multivision display is displayed normally.

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. Check that "RSES" is "OK."

Q. Is the check result normal?

Go to Step 4.

Go to Step 3.

STEP 3. Check of short to power supply, short to earth, and open circuit in (VIVS) line and (VIVG) line between rear display unit connector and multivision display connector.


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 Malfunction ).

Repair the connector(s) or wiring harness.

STEP 4. Temporarily replace the rear display unit, and check the trouble symptom.


After temporary replacement of the rear display unit, check that the rear display unit displays the multivision display picture.

Q. Is the check result normal?

Troubleshoot the rear display unit (Refer to ).

Return to Step 1.