Pinout Values and Diagnostic Parameters

DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: TERMINALS OF ECU

1. 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.

(c) Reconnect the T7 ECU connector.

(d) Measure the voltage of the connector.





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

2. 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.

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





(a) Disconnect the D21 and D23 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.

4. CHECK MULTIPLEX NETWORK FRONT DOOR ECU RH (PASSENGER DOOR ECU)





(a) Disconnect the P41 and P43 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.

5. CHECK DRIVER SIDE JUNCTION BLOCK (DRIVER SIDE JUNCTION BLOCK ECU)





(a) Disconnect the 2C and 2G junction block 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.

(c) Reconnect the 2C and 2G junction block connectors.

(d) Measure the voltage of the connectors.





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

6. CHECK LUGGAGE ROOM JUNCTION BLOCK (LUGGAGE ROOM JUNCTION BLOCK ECU)





(a) Disconnect the L24 ECU connector.

(b) Measure the 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 L24 ECU connector.

(d) Measure the resistance of the connector.





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