Hazard Warning Lamp

AUTOMATIC BACK DOOR WARNING DOES NOT OPERATE:_:HAZARD WARNING LAMP





Description
Hazard warning lamp does not operate when automatic back door warning function are performed.




Diagnosis Procedure
1.CHECK DTC WITCH AUTOMATIC BACK DOOR CONTROL UNIT
Check that DTC is not detected with automatic back door control unit.
Is the inspection result normal?
YES - GO TO 2.
NO - Perform trouble diagnosis relevant to DTC indicated.
2.CHECK DTC WITCH BCM
Check that DTC is not detected with BCM.
Is the inspection result normal?
YES - GO TO 3.
NO - Perform trouble diagnosis relevant to DTC indicated.
3.CHECK HAZARD AND HORN REMINDER FUNCTION
Check hazard and horn reminder function.
Is the inspection result normal?
YES - GO TO 4.
NO - Hazard And Horn Reminder Does Not Operate With Automatic Back Door.
4.REPLACE AUTOMATIC BACK DOOR CONTROL UNIT
1. Replace automatic back door control unit. Automatic Back Door Control Unit.
2. Confirm the operation after replacement.
Is the result normal?
YES - INSPECTION END
NO - Check intermittent incident. Intermittent Incident.