Front Power Seat Control System (W/ Seat Position Memory System) Front Power Seat Does Not Operate With Front Power Seat Switch

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Seat. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (FR P/SEAT LH, FR P/SEAT RH, ECU-B2)

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

FRONT POWER SEAT CONTROL SYSTEM (w/ Seat Position Memory System) - 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


Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat.Front Power Seat Control System (W/ Seat Position Memory System).Front Power Seat Control System (W/ Seat Position Memory System) Front Power Seat Does Not Operate With Front Power Seat Switch


INSPECTION PROCEDURE

1.INSPECT FUSE (FR P/SEAT LH, FR P/SEAT RH, ECU-B2)

  1. Remove the FR P/SEAT LH*1, FR P/SEAT RH*2 and ECU-B2 fuses from the main body ECU.

    HINT:
    *1: for LHD
    *2: for RHD

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

    Standard Resistance:
    for LHD
    Tester Connection
    		Condition
    		Specified Condition
    FR P/SEAT LH fuse
    		Always
    		Below 1 Ω
    ECU-B2 fuse
    		Always
    		Below 1 Ω
    for RHD
    Tester Connection
    		Condition
    		Specified Condition
    FR P/SEAT RH fuse
    		Always
    		Below 1 Ω
    ECU-B2 fuse
    		Always
    		Below 1 Ω


NG
REPLACE FUSE
OK


2.CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH - BATTERY AND BODY GROUND)
Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat.Front Power Seat Control System (W/ Seat Position Memory System).Front Power Seat Control System (W/ Seat Position Memory System) Front Power Seat Does Not Operate With Front Power Seat Switch

  1. Disconnect the c14*1, c15*1 or c26*2, c27*2 switch connectors.

    HINT:
    *1: for LHD
    *2: for RHD

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

    Standard Voltage:
    for LHD
    Tester Connection
    		Condition
    		Specified Condition
    c14-5 (+B) - Body ground
    		Always
    		11 to 14 V
    c15-8 (SYSB) - Body ground
    		Always
    		11 to 14 V
    for RHD
    Tester Connection
    		Condition
    		Specified Condition
    c26-5 (+B) - Body ground
    		Always
    		11 to 14 V
    c27-8 (SYSB) - Body ground
    		Always
    		11 to 14 V

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

    Standard Resistance:
    for LHD
    Tester Connection
    		Condition
    		Specified Condition
    c14-1 (GND) - Body ground
    		Always
    		Below 1 Ω
    for RHD
    Tester Connection
    		Condition
    		Specified Condition
    c26-1 (GND) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE POSITION CONTROL ECU AND SWITCH (Click here)