Seat. 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

CHECK FRONT POWER SEAT OPERATION

CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT 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 front power seat switch LH*1, RH*2, the built-in ECU manages the signals received from the front power seat switch, and operates each motor. If the front power seat switch LH*1, RH*2 receives more than 2 motor operation signals for the same motor, the motor will be stopped. Manual operation is restarted when the front power seat switch LH*1, RH*2 receives 1 signal only.
*1: for LHD
*2: for RHD

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

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

1.CHECK FRONT POWER SEAT OPERATION

Check that each function of the power seat operates normally by using the front power seat switch LH*1, RH*2 (Click here).
*1: for LHD
*2: for RHD

Result:

Result	Proceed to
All power seat functions do not operate	A
One or more power seat functions do not operate	B

GO TO PROBLEM SYMPTOMS TABLE (Click here)

A

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

Disconnect the c39*1, c46*2 and c40*1, c47*2 switch connectors.
*1: for LHD
*2: for RHD

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

Standard Voltage:
for LHD:
Tester Connection
Condition
Specified Condition
c39-6 (+B) - Body ground
Always
11 to 14 V
c40-12 (SYSB) - Body ground
Always
11 to 14 V
for RHD:
Tester Connection
Condition
Specified Condition
c46-6 (+B2) - Body ground
Always
11 to 14 V
c47-12 (SYSB) - Body ground
Always
11 to 14 V

for LHD:
Tester Connection	Condition	Specified Condition
c39-6 (+B) - Body ground	Always	11 to 14 V
c40-12 (SYSB) - Body ground	Always	11 to 14 V

for RHD:
Tester Connection	Condition	Specified Condition
c46-6 (+B2) - Body ground	Always	11 to 14 V
c47-12 (SYSB) - Body ground	Always	11 to 14 V

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

Standard Resistance:
for LHD:
Tester Connection
Condition
Specified Condition
c39-1 (GND) - Body ground
Always
Below 1 Ω
for RHD:
Tester Connection
Condition
Specified Condition
c46-1 (GND) - Body ground
Always
Below 1 Ω

for LHD:
Tester Connection	Condition	Specified Condition
c39-1 (GND) - Body ground	Always	Below 1 Ω

for RHD:
Tester Connection	Condition	Specified Condition
c46-1 (GND) - Body ground	Always	Below 1 Ω

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE FRONT POWER SEAT SWITCH (Click here)