Inspection Procedure 2: No Sound is Heard. <Vehicles without Audio Amplifier>
| caution | Whenever the multivision display is replaced, ensure that the power supply circuit and the earthing circuit are normal. (Check that the voltage is 10 V or more.) |
COMMENTS ON TROUBLE SYMPTOM
PROBABLE CAUSES
- Malfunctions of multivision display
- Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. Check the multivision display operation.
Q.
Check the sources from which the sound is not output.
STEP 2. Check the service data log for the MMCS service mode.
| (1)Display the service data log for the MMCS service mode. (Refer to .) |
| (2)Check if the service data log for drive and HDD is displayed. |
Q.
Is the service data log displayed?
STEP 3. Perform "Network/Connect Line Check" in the MMCS service mode.
| (1)Display "Network/Connect Line Check" in the MMCS service mode. (Refer to .) |
| (2)Check if "DVD Drive OK" is displayed. |
| (3)Check if "HDD Drive OK" is displayed. |
Q.
Is the check result normal?
STEP 4. Check of the troubles
Q.
Is the check result normal?
STEP 5. Check of the troubles
Q.
Is the check result normal?