Operation CHARM: Car repair manuals for everyone.

Check Reclining Sensor Circuit





AUTOMATIC DRIVE POSITIONER


Check Reclining Sensor Circuit

1.CHECK FUNCTION
With CONSULT-III
Check operation with "RECLN 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 - Reclining sensor circuit is OK.
NG - GO TO 2.
2.CHECK RECLINING MOTOR SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and reclining sensor connector.
2. Check continuity between driver seat control unit connector and reclining 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 reclining sensor.
NG - Replace automatic drive positioner control unit.