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
PreparationMalfunction indicator lamp
Description
The Malfunction Indicator Lamp (MIL) is located on the combination
meter.
The MIL will illuminate when the ignition switch is turned ON without
the engine running. This is a bulb check.
When the engine is started, the MIL should turn off. If the MIL
remains illuminated, ...
Signal buffer system
System Diagram
System Description
OUTLINE
BCM has the signal transmission function that outputs/transmits each
input/received signal to each unit.
Signal transmission function list
Signal name
Input
Output
Description
Ignition switch ON si ...
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer's
comments; refer to RF-64, "Diagnost ...