Initial Inspection and Diagnostic Overview
TROUBLESHOOTINGThis system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.
The table below will be useful for you in troubleshooting these electrical problems. The most likely causes of the malfunction are shown in the order of their probability. Inspect each part in the order shown, and replace the part when it is found to be faulty
HINT:
- Troubleshooting of the wireless door lock control system is based on the premise that the door lock control system is operating normally. Accordingly, before troubleshooting the wireless door lock control system, first make certain that the door lock control system is operating normally.
- If the trouble still reappears even though there are no abnormalities in any of the other circuits, then check and replace the Wireless Door Lock Control ECU as the last step.
CHART
PRECHECK TYPE I
PRECHECK TYPE II