Fold Seat Switch Circuit

SEAT: REAR POWER SEAT CONTROL SYSTEM: Fold Seat Switch Circuit
- Fold Seat Switch Circuit

DESCRIPTION

When the fold seat switch is operated, a switch operation signal is sent to the fold seat control ECU. The ECU receives switch operation signals from each switch and activates the folding motor, reclining motor, and release actuator.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOLD SEAT CONTROL ECU (FOLD SEAT SWITCH SIGNAL)

(a) Remove the fold seat control ECU with its connectors 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 -- INSPECT FOLD SEAT SWITCH ASSEMBLY

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

2. INSPECT FOLD SEAT SWITCH ASSEMBLY

(a) Remove the fold seat switch assembly Removal.





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

Standard Resistance:





Text in Illustration





(c) Reinstall the fold seat switch assembly.

NG -- REPLACE FOLD SEAT SWITCH ASSEMBLY Removal
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - FOLD SEAT SWITCH)

(a) Disconnect the b2 or a2 fold seat control ECU connector.

(b) Disconnect the K17 or K20 fold seat switch assembly connector.

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

Standard Resistance:

LH Side
RH Side










(d) Reconnect the fold seat switch assembly connector.

(e) Reconnect the fold seat control ECU connector.

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

4. CHECK HARNESS AND CONNECTOR (FOLD SEAT SWITCH - BACK DOOR COURTESY SWITCH)

(a) Disconnect the K17 or K20 fold seat switch assembly connector.

(b) Disconnect the W11 back door lock assembly (back door courtesy switch) connector.

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

Standard Resistance:

LH Side
RH Side










(d) Reconnect the back door lock assembly (back door courtesy switch) connector.

(e) Reconnect the fold seat switch assembly connector.

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

5. INSPECT BACK DOOR LOCK ASSEMBLY (BACK DOOR COURTESY SWITCH)





Text in Illustration





(a) Remove the back door lock assembly Removal.

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

Standard Resistance:





(c) Reinstall the back door lock assembly.

NG -- REPLACE BACK DOOR LOCK ASSEMBLY Removal
OK -- Continue to next step.

6. CHECK HARNESS AND CONNECTOR (BACK DOOR COURTESY SWITCH - BODY GROUND)

(a) Disconnect the W11 back door lock assembly (back door courtesy switch) connector.





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

Standard Resistance:





Text in Illustration





(c) Reconnect the back door lock assembly (back door courtesy switch) connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE FOLD SEAT CONTROL ECU Removal