THEFT-DETERRENT SYSTEM [THEFT-DETERRENT SYSTEM]

id0903l1112700

Description

• Theft-deterrent siren or theft-deterrent horn sounded.

Possible cause

• 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)].)

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.

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.

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).

No

Replace the malfunctioning part.

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.