Key Reminder Warning System

DOOR LOCK: KEY REMINDER WARNING SYSTEM: TERMINALS OF ECU

1. CHECK TRANSPONDER KEY ECU





(a) Disconnect the T13 ECU connector.

(b) Measure the voltage and resistance of the wire harness side connector.





* If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the T13 ECU connector.

(d) Measure the voltage of the connector.





* If the result is not as specified, the ECU may have a malfunction.

2. CHECK MULTIPLEX NETWORK FRONT DOOR ECU LH (DRIVER DOOR ECU)





(a) Disconnect the D21 and D23 ECU connectors.

(b) Measure the voltage and resistance of the wire harness side connectors.





* If the result is not as specified, there may be a malfunction on the wire harness side.

3. CHECK THEFT WARNING ECU





(a) Disconnect the T7 ECU connector.

(b) Measure the voltage and resistance of the wire harness side connector.





* If the result is not as specified, there may be a malfunction on the wire harness side.