NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable
Preparation
Periodic maintenanceRGB synchronizing signal circuit
Description
Transmit the RGB synchronizing signal to the display unit so as to
synchronize the RGB image displayed with
AV control unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV co ...
Intermittent incident
Inspection Procedure
INTERMITTENT TROUBLE
An intermittent incident may have occured in the past but is not being
detected currently. This DTC will not bedetected on SELF DIAG [CURRENT], but
may be viewed on SELF DIAG [PAST] using CONSULT.
Trouble Diagnosis with CONSULT
DIAGNOSTIC PROCEDURE 4 ...
Center speaker
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the center speaker using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and s ...