Park / Neutral Position Switch Circuit

SEAT: REAR POWER SEAT CONTROL SYSTEM: Park / Neutral Position Switch Circuit
- Park / Neutral Position Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOLD SEAT CONTROL ECU (PARK/NEUTRAL POSITION SWITCH SIGNAL)

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





Standard Voltage:

LH Side





RH Side





NG -- CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH)

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

2. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH)

(a) Disconnect the D21 switch connector.





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

Standard Voltage:





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

3. INSPECT PARK/NEUTRAL POSITION SWITCH

(a) Disconnect the D21 switch connector.





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

Standard Resistance:





Result





E -- REPLACE PARK/NEUTRAL POSITION SWITCH Removal

D -- REPLACE PARK/NEUTRAL POSITION SWITCH

C -- REPLACE PARK/NEUTRAL POSITION SWITCH

B -- REPLACE PARK/NEUTRAL POSITION SWITCH

A -- REPAIR OR REPLACE HARNESS OR CONNECTOR (FOLD SEAT CONTROL ECU - PARK/NEUTRAL POSITION SWITCH)