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
PreparationKey cylinder switch
Description
The main power window and door lock/unlock switch detects
condition of the door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode ...
Loose fuel cap warning
The LOOSE FUEL CAP warning appears in the
vehicle information display when the fuel-filler
cap is not tightened correctly after the vehicle has
been refueled. It may take a few driving trips for
the message to be displayed. To turn off the
warning, perform the following:
1. Remove and inst ...
Blower motor control system
System Diagram
System Description
Fan speed is automatically controlled by the temperature setting, ambient
temperature, in-vehicle temperature,
intake temperature, amount of sunload and air mix door position.
By pressing the AUTO switch, the blower motor starts to gradually increase
a ...