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Home >> Infiniti >> 2011 >> M37 V6-3.7L (VQ37VHR) >> Repair and Diagnosis >> Body and Frame >> Seats >> Memory Positioning Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Tilt Sensor
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Tilt Sensor


TILT SENSOR





Component Function Check
1.CHECK FUNCTION
1. Select "TILT PULSE" in "Data monitor" mode with CONSULT-III.
2. Check tilt sensor signal under the following conditions.





Is the indication normal?
YES - INSPECTION END
NO - Perform diagnosis procedure. SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK TILT SENSOR SIGNAL
1. Turn ignition switch ON.
2. Check voltage signal between driver seat control unit connector and ground with oscilloscope.





Is the inspection result normal?
YES - Replace driver seat control unit. Service and Repair.
NO - GO TO 2.
2.CHECK TILT SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and tilt motor connector.
3. Check continuity between driver seat control unit harness connector and tilt motor harness connector.





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





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness or connector.
3.CHECK TILT SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between tilt motor harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 4.
4.CHECK TILT SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive positioner control unit harness connector and tilt motor harness connector.





4. Check continuity between automatic drive positioner control unit harness connector and ground.





Is the inspection result normal?
YES - Replace automatic drive positioner control unit. Service and Repair.
NO - Repair or replace harness or connector.
5.CHECK TILT SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive positioner control unit harness connector and tilt motor harness connector.





4. Check continuity between automatic drive positioner control unit harness connector and ground.





Is the inspection result normal?
YES - Replace tilt motor.
NO - Repair or replace harness or connector.
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