How To Proceed With Troubleshooting

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM:

HOW TO PROCEED WITH TROUBLESHOOTING

HINT: Use this procedure to troubleshoot the power door lock control system.

1. VEHICLE BROUGHT TO WORKSHOP
-- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
-- Continue to next step.
3. CHECK FOR DTCS

HINT: (Reading and Clearing Diagnostic Trouble Codes)

(a) Check for DTCs 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.
(1) If the DTC does not reoccur, proceed to A.
(2) If the DTC reoccurs, proceed to B.
B -- Go to step 5
A -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE

HINT: (Symptom Related Diagnostic Procedures)

(a) If the fault is not listed on the problem symptoms table, proceed to A.
(b) If the fault is listed on the problem symptoms table, proceed to B.
B -- Go to step 6
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) On-vehicle inspection (Component Tests and General Diagnostics)

(b) Inspection
(c) Terminals of ECU (Pinout Values and Diagnostic Parameters)

6. ADJUST, REPAIR OR REPLACE
-- Continue to next step.
7. CONFIRMATION TEST
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