How To Proceed With Troubleshooting

ENGINE HOOD / DOOR: POWER BACK DOOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT: Troubleshoot in accordance with the following procedures.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
NEXT -- Continue to next step.
3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)
(a) Use the Techstream to check for normal function of the multiplex communication system.
(1) (ECU unconnected, communication line malfunctioning) Without code outputs, proceed to A.
(2) (ECU unconnected, communication line malfunctioning) With code outputs, proceed to B.
B -- Go To MULTIPLEX COMMUNICATION SECTION
A -- Continue to next step.
4. DTC CHECK
(a) Check for a diagnostic trouble code.
(1) Without code outputs, proceed to A.
(2) With code outputs, proceed to B.
B -- Go to step 6
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
(a) When problem is not listed on problem symptoms table, proceed to A.
(b) When problem is listed on problem symptoms table, proceed to B.
B -- Go to step 7
A -- Continue to next step.
6. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
(a) Data List / Active Test Power Back Door System.
(b) Operation check Component Tests and General Diagnostics.
(c) Inspection.
(d) Terminals of ECU Power Back Door System.
NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
8. RESET POWER BACK DOOR SYSTEM
NEXT -- Continue to next step.
9. CONFIRMATION TEST
NEXT -- END