STEP 1. Check if the error message is displayed on the multivision display.
STEP 2. Check the service data for multivision display.
STEP 3. Check the microphone for multivision display.
STEP 4. Replace the microphone unit temporarily, and check the trouble symptom.
STEP 5. Check microphone unit connector E-07 and multivision display connector C-136 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
STEP 6. Check the wiring harness between microphone unit connector E-07 (terminal 1, 2, 3) and multivision display connector C-136 (terminal 63, 64, 57).
- Check the signal lines for open circuit and short circuit.
note | Also check intermediate connector C-226, and joint connector C-148 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-226, and joint connector C-148 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
Is the wiring harness between microphone unit connector E-07 (terminal 1, 2, 3) and multivision display connector C-136 (terminal 63, 64, 57) in good condition?
Go to Step 7. The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary.
STEP 7. Retest the system.