Initial Inspection and Diagnostic Overview

TROUBLESHOOTING
^ Whole wireless door lock control system does not operate.
1. Problem occurs only at a specific locality ->Precheck type I
2. Problem occurs everywhere -> Precheck type II
^ Some functions of wireless door lock control system do not operate.
This 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.











PRECHECK TYPE I
Only Wireless Function (Remote Control) Not Operating (Without Normal Transmitter)








PRECHECK TYPE II
Only Wireless