Front Power Seat Control System (w/ Seat Position Memory System)

SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Seat Position Memory System): TERMINALS OF ECU

1. INSPECT POSITION CONTROL ECU & SWITCH ASSEMBLY LH





(a) Disconnect the b7 and b8 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.

(c) Reconnect the b7 and b8 ECU connectors.

(d) Measure the voltage of the connector.





If the result is not as specified, the control ECU & switch may have a malfunction.

2. INSPECT POSITION CONTROL ECU & SWITCH ASSEMBLY RH





(a) Disconnect the a6 and a7 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.

(c) Reconnect the a6 and a7 ECU connectors.

(d) Measure the voltage of the connector.





If the result is not as specified, the control ECU & switch may have a malfunction.

3. INSPECT MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY





(a) Disconnect the Q13 master switch 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 Q13 master switch connector.

(d) Measure the voltage of the connector.





If the result is not as specified, the master switch may have a malfunction.

4. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH





(a) Disconnect the M9 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 M9 ECU connector.

(d) Measure the resistance of the connector.





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

5. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH





(a) Disconnect the M4 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 M4 ECU connector.

(d) Measure the voltage and resistance of the connector.





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