Check Front Lifting Motor Circuit

AUTOMATIC DRIVE POSITIONER


Check Front Lifting Motor Circuit

1.CHECK FRONT END SEAT LIFTING MECHANISM
Check the following.
- Operation malfunction caused by lifter mechanism deformation, pinched harness or other foreign materials
- Operation malfunction caused by foreign materials adhered to the front lifting motor or lead screws
- Operation malfunction and interference with other parts by installation
OK or NG
OK - GO TO 2.
NG - Repair or replace the malfunctioning part and check again.
2.CHECK FUNCTION
With CONSULT-III
Check operation with "SEAT LIFTER FR" in ACTIVE TEST.





OK or NG
OK - Front lifting motor circuit is OK.
NG - GO TO 3.
3.CHECK FRONT LIFTING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and front lifting motor connector.
3. Check continuity between driver seat control unit connector and front lifting motor connector.










4. Check continuity between driver seat control unit connector and ground.





OK or NG
OK - GO TO 4.
NG - Repair or replace harness.
4.CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.





2. Check voltage between driver seat control unit connector and ground.





OK or NG
OK - Replace front lifting motor.
NG - Replace driver seat control unit.