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 maintenanceRear door speaker
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio signals before sending them to the rear door
speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker c ...
ABS branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and
electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).
...
B2556 push-button ignition switch
Description
The switch that changes the power supply position. BCM
maintains the power supply position status. BCM
changes the power supply position with the operation of the push-button ignition
switch.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION ...