Front Power Seat Does Not Operate With Front Power Seat Switch

SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): Front Power Seat does not Operate with Front Power Seat Switch
- Front Power Seat does not Operate with Front Power Seat Switch

DESCRIPTION

When a signal is input into the position control ECU, the ECU manages the signals received from the front power seat switch LH, and operates each motor. When 2 or more signals are input, the motors only operate when the signals are from the slide switch and reclining switch.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (ECU-B1, ECU-IG No. 1, FR P/SEAT LH)

(a) Remove the ECU-B1 fuse from the engine room relay block.

(b) Remove the ECU-IG No. 1 and FR P/SEAT LH fuses from the main body ECU.

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

Standard Resistance:

NG -- CHECK FOR SHORTS IN ALL HARNESSES AND CONNECTORS CONNECTED TO FUSE AND REPLACE FUSE
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - BATTERY AND BODY GROUND)

(a) Disconnect the X10 and X11 switch connectors.

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

Standard Voltage:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE FRONT POWER SEAT SWITCH LH Disassembly