Park / Neutral Position Switch Circuit

SEAT: REAR NO. 2 SEAT ASSEMBLY (w/ Power Stowing Function): 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 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

PROCEDURE

1. INSPECT FOLD SEAT CONTROL ECU





(a) Remove the fold seat control ECU with connectors still connected.
(b) Turn the ignition switch ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:
LH side






RH side






OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - PARK/NEUTRAL POSITION SWITCH)





(a) Disconnect the connector from the park/neutral position switch.
(b) Disconnect the connectors from the fold seat control ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
LH side






RH side






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT PARK/NEUTRAL POSITION SWITCH





(a) Remove the park/neutral position switch.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE PARK/NEUTRAL POSITION SWITCH
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BATTERY)





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






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE FOLD SEAT CONTROL ECU