How To Proceed With Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system and the power window control system are operating normally. Check the power door lock system Problem Symptoms Table and the power window control system Problem Symptoms Table first before troubleshooting the wireless door lock control system.
- Use this procedure to troubleshoot the wireless door lock control system.
- *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. 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.
3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Using the Techstream, check if the Multiplex Communication System (MPX) is functioning normally.

Result:





B -- Go to MULTIPLEX COMMUNICATION SECTION
A -- Continue to next step.
4. CHECK FOR DTC*
(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 suggested.

Result:





B -- Go to step 7
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation check Wireless Door Lock Control System
(b) Terminals of ECU Pinout Values and Diagnostic Parameters
(c) Data List/Active Test Scan Tool Testing and Procedures
NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END