Fold Lock Switch Circuit

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

DESCRIPTION

Each of the left and right seats has a fold lock switch that detects the lock condition of the seat legs and floor when the seat is in the stowed state. If the fold lock switch detects an unlock condition, the 3rd SEAT indicator on the combination meter will come on.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOLD SEAT CONTROL ECU

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

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 - FOLD LOCK SWITCH)

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

(b) Disconnect the b1 or a1 No. 2 seat cushion frame sub-assembly (fold lock switch) 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 (fold lock switch) 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 (FOLD LOCK SWITCH - BODY GROUND)

(a) Disconnect the b1 or a1 No. 2 seat cushion frame sub-assembly (fold lock switch).





(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 (fold lock switch) connector.

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

4. INSPECT NO. 2 SEAT CUSHION FRAME SUB-ASSEMBLY (FOLD LOCK SWITCH)

(a) Remove the No. 2 seat cushion frame sub-assembly Disassembly.





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

Standard Resistance:





Text in Illustration





(c) Reinstall the No. 2 seat cushion frame sub-assembly.

NG -- REPLACE NO. 2 SEAT CUSHION FRAME SUB-ASSEMBLY Disassembly

OK -- REPLACE FOLD SEAT CONTROL ECU Removal