Check Rear Lifting Sensor Circuit

AUTOMATIC DRIVE POSITIONER


Check Rear Lifting Sensor Circuit

1.CHECK FUNCTION
With CONSULT-III
Check operation with "LIFT RR PULSE" on the DATA MONITOR to make sure 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 - Rear lifting sensor circuit is OK.
NG - GO TO 2.
2.CHECK REAR LIFTING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and rear lifting sensor connector.





2. Check continuity between driver seat control unit connector and rear 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 rear lifting sensor.
NG - Replace automatic drive positioner control unit.