Front Power Seat Does Not Operate With Front Power Seat Switch

SEAT: FRONT POWER SEAT CONTROL SYSTEM: 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 (FR P/SEAT LH, ECU-B2)

(a) Remove the ECU-B2 fuse from the engine room relay block.

(b) Remove the FR P/SEAT LH fuse from the main body ECU.

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

Standard Resistance:





NG -- REPLACE FUSE
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH - BATTERY AND BODY GROUND)





(a) Disconnect the c14 and c15 switch connectors.

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

Standard Voltage:





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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE POSITION CONTROL ECU AND SWITCH Removal