Front Power Seat Control System

SEAT: FRONT POWER SEAT CONTROL SYSTEM: TERMINALS OF ECU

1. CHECK FRONT POWER SEAT SWITCH LH





(a) Disconnect the b4 and b5 connectors from the front power seat switch LH.

(b) Measure the voltage and resistance according to the value(s) in the table below.





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

(c) Reconnect the b4 and b5 switch connectors.

(d) Measure the voltage according to the value(s) in the table below.





If the result is not as specified, the front power seat switch LH may have a malfunction.

2. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY LH





(a) Disconnect the K8 connector from the outer mirror control ECU assembly LH.

(b) Measure the voltage and resistance according to the value(s) in the table below.





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

(c) Reconnect the K8 ECU connector.

(d) Measure the voltage according to the value(s) in the table below.





If the result is not as specified, the outer mirror control ECU assembly LH may have a malfunction.

3. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)





(a) Remove the main body ECU Removal.

(b) Measure the voltage and resistance according to the value(s) in the table below.





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

(c) Install the main body ECU Removal.

(d) Measure the voltage according to the value(s) in the table below.