Diagnosis Procedure

Check "WELCOME LIGHT OP SET" and "WELCOME LIGHT SELECT" setting in "WORK SUPPORT". Refer to CONSULT FUNCTION (BCM - INTELLIGENT KEY) .

Is the function active?

YES 

GO TO STEP 2  .

NO 

Set "WELCOME LIGHT OP SET" and "WELCOME LIGHT SELECT" setting in "WORK SUPPORT".

Check Intelligent Key system (door lock function).

Does the door lock/unlock using door request switch (driver side)?

YES 

GO TO STEP 3  .

NO 

Go to DESCRIPTION .

Check interior room lamp control system. Refer to SYSTEM DESCRIPTION .

Does the room lamp and puddle lamp turn ON?

YES 

GO TO STEP 4  .

NO 

Go to SYMPTOM TABLE .

Replace BCM. Refer to REMOVAL AND INSTALLATION .

GO TO STEP 5  .

Confirm the operation again.

Is the result normal?

YES 

INSPECTION END

NO 

GO TO STEP 1  .