Seatback Thermal Electric Device Sensor

SEATBACK THERMAL ELECTRIC DEVICE SENSOR

Component Function Check


1. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR FUNCTION

Check whether or not the temperature of the seatback thermal electric device changes in accordance with the
HEAT or COOL switch operation of the climate controlled seat control switch.
Is the inspection result normal?
YES- Inspection End.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Climate Controlled Seat System.

1. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR SIGNAL

1.Turn ignition switch ON.
2.Check voltage between seatback thermal electric device harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect climate controlled seat control unit connector and seatback thermal electric device connector.
3.Check continuity between climate controlled seat control unit harness connector and seatback thermal electric device harness connector.





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





Is the inspection result normal?
YES- Replace climate controlled seat control unit. Refer to "Disassembly and Assembly" Disassembly and Assembly.
NO- Repair or replace harness.

3. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect climate controlled seat control unit connector and seatback thermal electric device connector.
Revision: March 20122013 Infiniti JX
3.Check continuity between climate controlled seat control unit harness connector and seatback thermal electric device harness connector.





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





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR

Check seatback thermal electric device sensor.
Refer to "Component Inspection" .
Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace seatback thermal electric device. "Seatback Thermal Electric Device" Seatback Thermal Electric Device.


Component Inspection


1. CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR

1.Turn ignition switch OFF.
2.Disconnect seatback thermal electric device connector.
3.Check resistance between seatback thermal electric device terminals.





Is the inspection result normal?
YES- Inspection End.
NO- Replace seatback thermal electric device. Refer to "Seatback Thermal Electric Device" Seatback Thermal Electric Device.
Revision: March 20122013 Infiniti JX