Wireless Door Lock Control System

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

1. CHECK COWL SIDE JUNCTION BLOCK RH ASSEMBLY (MULTIPLEX NETWORK BODY ECU)





(a) Disconnect the DA, DD, DK and DM junction block connectors.

(b) Disconnect the K68 and U1 ECU connectors.

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





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

(d) Reconnect the DA, DD, DK and DM junction connectors.

(e) Reconnect the K68 and U1 ECU connectors.

(f) Measure the voltage of the wire harness side connectors.





* If the result is not as specified, the Junction Block (ECU) may have a malfunction.

2. CHECK CERTIFICATION ECU ASSEMBLY





(a) Disconnect the U28 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 U28 ECU connector.

(d) Measure the voltage of the connector.





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