Park / Neutral Position Switch Circuit

DESCRIPTION

The fold seat control ECU receives signals from the Park/Neutral position switch and controls the seat stowing and return operations. If the shift lever is in any position other than P the seat cannot be operated.

If the ignition switch is in ACC or IG the seat cannot be operated.

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT FOLD SEAT CONTROL ECU

1. 1
   Remove the fold seat control ECU with connectors still connected.
2. 2
   Turn the ignition switch ON.
3. 3
   Measure the voltage according to the value(s) in the table below.

Standard voltage: LH side

RH side

2 CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - PARK/NEUTRAL POSITION SWITCH)

1. 1
   Disconnect the connector from the park/neutral position switch.
2. 2
   Disconnect the connectors from the fold seat control ECU.
3. 3
   Measure the resistance according to the value(s) in the table below.

Standard resistance: LH side

RH side

3 INSPECT PARK/NEUTRAL POSITION SWITCH

1. 1
   Remove the park/neutral position switch.
2. 2
   Measure the resistance according to the value(s) in the table below.

Standard resistance

4 CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BATTERY)

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

Standard voltage

REPLACE FOLD SEAT CONTROL ECU