THEFT-DETERRENT SYSTEM [THEFT-DETERRENT SYSTEM]


id0903l1112700


Description

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

Possible cause

•  Rear body control module (RBCM) malfunction
•  Customer's mis-operation or misunderstanding
•  Theft-deterrent siren malfunction
•  Theft-deterrent horn malfunction
•  Intruder sensor malfunction
•  Wiring harness malfunction
•  Malfunction in switch which triggers system

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY DTCs
•  Perform the DTC inspection for the rear body control module (RBCM) using the M-MDS.
•  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?
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
INSPECT THEFT-DETERRENT SIREN
•  Inspect the theft-deterrent siren.
•  Is the theft-deterrent siren normal?
Yes
Go to the next step.
No
Replace the theft-deterrent siren, then go to the next step.
5
INSPECT THEFT-DETERRENT HORN
•  Inspect the theft-deterrent horn.
•  Is the theft-deterrent horn normal?
Yes
Go to the next step.
No
Replace the intruder sensor, then go to the next step.
6
INSPECT INTRUDER SENSOR
•  Inspect the intruder sensor.
•  Is the intruder sensor normal?
Yes
Go to the next step.
No
Replace the theft-deterrent horn, then go to the next step.
7
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.