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.
Using the multivision display diagnosis mode, check if the "Mic" (Refer to
).OK: Confirm that "Mic Level" changes when you speak to the microphone.
Is the check result normal?
Go to Step 6.
Go to Step 4.
STEP 4. Replace the microphone unit temporarily, and check the trouble symptom.
STEP 5. Check of short to power supply, short to earth and open circuit in SNSE, MIC+ and MIC- line between microphone unit connector and multivision display connector.
Is the check result normal?
Go to Step 6.
Repair the connector(s) or wiring harness.
STEP 6. Retest the system.