THEFT-DETERRENT SYSTEM [THEFT-DETERRENT SYSTEM]

id0903l1112700

Item	THEFT-DETERRENT SYSTEM
Description	• Theft-deterrent horn sounded.
Possible Causes	• Wiring harness malfunction • Malfunction in switch which triggers system • Rear body control module (RBCM) malfunction • Customer's mis-operation or misunderstanding

Diagnostic Procedure

Step	Inspection		Action
1	VERIFY DTCs • Perform the DTC inspection for the rear body control module (RBCM) using the M-MDS. (See DTC TABLE [REAR BODY CONTROL MODULE (RBCM)].) • Are any DTCs displayed?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [REAR BODY CONTROL MODULE (RBCM)].)
1		No	Go to the next step.
2	VERIFY OPERATION RECORD • Has the operation record been stored? (See THEFT-DETERRENT SYSTEM OPERATION RECORD.)	Yes	Go to the next step.
2		No	Diagnosis completed (theft-deterrent system does not operate).
3	VERIFY CONDITION DURING THEFT-DETERRENT SYSTEM OPERATION • Is the condition during theft-deterrent operation "Alarm" or "Arming"?	Yes	Go to the next step.
3		No	Inspect the rear body control module (RBCM). If there is any malfunction, replace it. (See REAR BODY CONTROL MODULE (RBCM) INSPECTION.)
4	DETERMINE IF MALFUNCTION CAUSE IS SYSTEM • Verify what triggered the theft-deterrent system according to the trigger record, and inspect the switch which triggered the system and the related wiring harness. • Is the switch or related wiring harness normal?	Yes	System is normal (explain to the customer that the cause is customer's mis-operation).
4		No	Replace the malfunctioning part.