Release Actuator Circuit

SEAT: REAR POWER SEAT CONTROL SYSTEM: Release Actuator Circuit
- Release Actuator Circuit

DESCRIPTION

The fold seat control ECU receives a switch operation signal from the fold seat switch and activates the release actuator. The release actuator releases the lock of the stowed seat based on a drive voltage received from the ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOLD SEAT CONTROL ECU

(a) Remove the fold seat control ECU with its connector still connected Removal.





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

Standard Voltage:

LH Side





RH Side





Text in Illustration





(c) Reinstall the fold seat control ECU.

NG -- CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - RELEASE ACTUATOR)

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Rear Power Seat Control System

2. CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - RELEASE ACTUATOR)

(a) Disconnect the b3 or a3 fold seat control ECU connector.

(b) Disconnect the b1 or a1 No. 2 seat cushion frame sub-assembly (release actuator) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

LH Side





RH Side





(d) Reconnect the No. 2 seat cushion frame sub-assembly (release actuator) connector.

(e) Reconnect the fold seat control ECU connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (RELEASE ACTUATOR - BODY GROUND)

(a) Disconnect the b1 or a1 No. 2 seat cushion frame sub-assembly (release actuator) connector.





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

Standard Resistance:

LH Side





RH Side





Text in Illustration





(c) Reconnect the No. 2 seat cushion frame sub-assembly (release actuator) connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Rear Power Seat Control System