Reclining Motor Circuit

SEAT: REAR POWER SEAT CONTROL SYSTEM: Reclining Motor Circuit
- Reclining Motor Circuit

DESCRIPTION

The fold seat control ECU receives switch operation signals from the No. 1 and No. 2 fold seat switch and rear power seat switch, and activates the power seat motors.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK POWER SEAT MOTOR (RECLINING MOTOR VOLTAGE)

(a) Disconnect the a1 and a3 or Y1 and Y3 connectors.

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

Standard Voltage:

LH Side

RH Side

NG -- CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - RECLINING MOTOR)
OK -- Continue to next step.

2. INSPECT POWER SEAT MOTOR (RECLINING MOTOR)

(a) Remove the power seat motors (reclining motor) Disassembly.

(b) Check the operation of the No. 1 reclining motor.

(1) Check if the seat moves smoothly when the battery is connected to the reclining motor connector terminals.

OK:

(1) Check if the seat moves smoothly when the battery is connected to the reclining motor connector terminals.

OK:

NG -- REPLACE POWER SEAT MOTOR Disassembly

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

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

(a) Disconnect the O33 or P19 ECU connector.

(b) Disconnect the a1 or Y1 motor connector.

(c) Disconnect the a3 or Y3 motor connector.

(d) 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 -- REPLACE FOLD SEAT CONTROL ECU Removal