Noise, vibration and harshness (nvh) troubleshooting
NVH Troubleshooting Chart
Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable
PreparationBcm 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).
Is the inspection result normal?
Yes > ...
Dlc 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 data link connector for damage,
bend and loose connection
(connector side and harness side).
Is the inspection result ...
Symptom diagnosis
Engine does not start when intelligent key is inside of vehicle
Description
Engine does not start when push-button ignition switch is pressed while
carrying intelligent key.
Note:
Check that vehicle is under the condition shown in “conditions of
vehicle” before starting diagnos ...