How To Proceed With Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use this procedure to troubleshoot the power door lock control system.
- *: Using the Techstream.

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 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.

4. 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.

5. CHECK FOR DTC*

Result





B -- Go to step 7
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Operation check Operation Check
(b) Terminals of ECU Power Door Lock Control System
(c) DATA LIST/ACTIVE TEST Power Door Lock Control System
NEXT -- Continue to next step.

8. REPAIR OR REPLACE
NEXT -- Continue to next step.

9. CONFIRMATION TEST
NEXT -- END