Diesel Data: Automotive Repair

How To Proceed With Troubleshooting








THEFT DETERRENT: THEFT DETERRENT SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the theft deterrent system.
- *: Use Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the result is not as specified, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.

3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Use Techstream, check for normal function of the multiplex communication system Theft Deterrent System.

Result:





B -- Go to MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 6
A -- Continue to next step.

5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation Check Operation Check
(b) Data List/ Active Test Theft Deterrent System
(c) Terminals of ECU Theft Deterrent System
(d) Inspection
(1) Engine hood courtesy switch Testing and Inspection
(2) Security horn Testing and Inspection
NEXT -- Continue to next step.

6. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.

7. CONFIRMATION TEST
NEXT -- END