Check Front Lifting Sensor Circuit

AUTOMATIC DRIVE POSITIONER


Check Front Lifting Sensor Circuit

1.CHECK FUNCTION
With CONSULT-III
Check operation with "LIFT FR PULSE" on the DATA MONITOR to make sure the pulse changes.





Without CONSULT-III
1. Turn ignition switch OFF.





2. Check signal between driver seat control unit connector and ground, with oscilloscope.





OK or NG
OK - Sliding sensor front lifting sensor is OK.
NG - GO TO 2.
2.CHECK FRONT LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and sliding sensor front lifting sensor connector.
2. Check continuity between driver seat control unit connector and sliding sensor front lifting sensor connector.










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





OK or NG
OK - GO TO 3.
NG - Repair or replace harness.
3.CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit connector and ground.










OK or NG
OK - Replace sliding sensor front lifting sensor.
NG - Replace automatic drive positioner control unit.