Initial Inspection and Diagnostic Overview

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

HINT
* The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock system is operating normally. Check the power door lock system first before troubleshooting the wireless door lock control system.
* Use these procedures to troubleshoot the wireless door lock control system.
* *: Use a 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 CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN Communication System is functioning normally.

Result:





B -- GO TO DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 6
A -- Continue to next step.

5. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU Pinout Values and Diagnostic Parameters

(b) Data List / Active Test Scan Tool Testing and Procedures

(c) On-vehicle Inspection Wireless Door Lock Control System

NEXT -- Continue to next step.

6. REPAIR OR REPLACE

NEXT -- Continue to next step.

7. CONFIRMATION TEST

NEXT -- END