How To Proceed With Troubleshooting

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the power door lock control system.
- The Techstream should be used in steps 3,4 and 5.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer to confirm the trouble How To Proceed With Troubleshooting.
NEXT -- Continue to next step.
3. INSPECT COMMUNICATION FUNCTION OF 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. DTC CHECK
(a) Check for a DTC and note any codes that are output.
(b) Delete the DTC.
(c) Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.
Result:






B -- Go to step 6
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
Result:






B -- After repair, go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Terminals of ECU Pinout Values and Diagnostic Parameters

(b) DATA LIST/ACTIVE TEST Scan Tool Testing and Procedures

NEXT -- Continue to next step.
7. REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END