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

×: Applicable
PreparationBose speaker amp
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Ducts and grilles
Exploded View
Ducts
Side defroster nozzle (RH)
Front defroster nozzle
Side defroster nozzle (LH)
Upper ventilator duct
Heater and cooling unit assembly
Connector duct (LH)
Floor ventilator duct (LH)
Rear floor duct (LH)
Connector duct (center)
Rear ventilator duct (cen ...
Main line between adp and dlc circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative
terminal.
Check the following terminals and connectors for
damage, bend and loose connection (connector side
and harness side).
Harness connec ...