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SE-58 < DTC/CIRCUIT DIAGNOSIS > SEATBACK THERMAL ELECTRIC DEVICE SENSOR SEATBACK THERMAL ELECTRIC DEVICE SENSOR Component Function Check INFOID:0000000009176478 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. YES >> Inspection End. NO >> Refer to Diagnosis Procedure INFOID:0000000009176479 Regarding Wiring Diagram information, refer to 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 SE-86, "Removal and Installation" 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. (+) (-) Condition Voltage (V) (Approx.) Seatback thermal electric device Connector Terminal Driver side B212 3 Ground Climate controlled seat 1 - 5 Passenger side B309 Climate controlled seat control unit Seatback thermal electric device Continuity Connector Terminal Connector Terminal Driver side B203 16 B212 3 Yes Passenger side B303 B309 Climate controlled seat control unit Ground Continuity Connector Terminal Driver side B203 16 No Passenger side B303 |