Tech Tips
Use the following procedure to troubleshoot the theft deterrent system.
*: Use the intelligent tester.
VEHICLE BROUGHT TO WORKSHOP
| NEXT |
|
CUSTOMER PROBLEM ANALYSIS
Interview the customer to confirm the problem Click here.
| NEXT |
|
INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
Use the intelligent tester to check for normal function of the multiplex communication system.
(ECU unconnected, communication line malfunctioning) If no code is output, proceed to A.
(ECU unconnected, communication line malfunctioning) If any code is output, proceed to B.
| B |
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GO TO MULTIPLEX COMMUNICATION SECTION |
| A |
|
SYMPTOM SIMULATION
| NEXT |
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PROBLEM SYMPTOMS TABLE
If the fault is not listed on the problem symptoms table, proceed to A.
If the fault is listed on the problem symptoms table, proceed to B.
| B |
|
Go to step 7 |
| A |
|
PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
Terminals of ECU Click here
Data List / Active Test Click here
ADJUST, REPAIR OR REPLACE
| NEXT |
|
CONFIRMATION TEST
| NEXT |
|
| END |