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
Basic inspectionBCM 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 BCM
for damage, bend and loose connection (unit side and
connector side).
2. ...
P0420, P0430 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...
Diagnosis system (BCM)
DOOR LOCK
DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)
SELF DIAGNOSTIC RESULT
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
* : Initial setting
INTELLIGENT KEY
INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
*: Initia ...