Diagnosis Procedure
- CHECK LIFTING MOTOR (FRONT) POWER SUPPLY
- Turn Ignition Switch OFF.
- Disconnect lifting motor (front) connector.
- Turn Ignition Switch ON.
- Perform "Active test" ("SEAT LIFTER FR") with CONSULT.
- Check voltage between lifting motor (front) harness connector and ground.
(+)
(-)
Condition
Voltage (V)
(Approx.)
Lifting motor (front)
Connector
Terminals
B512
9
Ground
SEAT LIFTER FR
OFF
0
UP
12
DWN (DOWN)
0
10
OFF
0
UP
0
DWN (DOWN)
12
Is the inspection result normal?
YES
Replace lifting motor (front) (built in seat cushion frame).
NO
GO TO 2.
- CHECK LIFTING MOTOR (FRONT) CIRCUIT
- Turn Ignition Switch OFF.
- Disconnect Driver Seat Control Unit connector.
- Check continuity between Driver Seat Control Unit harness connector and lifting motor (front) harness connector.
Driver Seat Control Unit
Lifting motor (front)
Continuity
Connector
Terminal
Connector
Terminal
B513
9
B512
9
Existed
10
10
- Check continuity between Driver Seat Control Unit harness connector and ground.
Driver Seat Control Unit
Ground
Continuity
Connector
Terminal
B513
9
Not existed
10
Is the inspection result normal?
YES
Replace Driver Seat Control Unit. Refer to Removal and Installation .
NO
Repair or replace harness or connector.