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 the Techstream.

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

2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, 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 the Techstream to check if the Multiplex Communication System (MPX) is functioning normally.
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) Data List/Active Test
(b) Terminals of ECU
(c) On-vehicle Inspection
(d) Inspection
NEXT -- Continue to next step.

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

7. CONFIRMATION TEST
NEXT -- END