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CLIMATE CONTROLLED SEAT SE-187 C D E F G H J K L M A B SE Blower Motor Tachometer Signal Circuit Inspection EIS003UW 1. CHECK BLOWER MOTOR TACHOMETER SIGNAL CIRCUIT 1. Connect climate controlled seat control unit connector and blower motor connector. 2. Turn ignition switch ON. 3. Check voltage between climate controlled seat control unit con- OK or NG OK >> GO TO 2. NG >> Replace climate controlled seat blower motor. 2. CHECK BLOWER MOTOR HARNESS 1. Turn ignition switch OFF. 2. Disconnect climate controlled seat control unit connector and blower motor connector. 3. Check continuity between climate controlled seat control unit 4. Check continuity between climate controlled seat control unit OK or NG OK >> Blower motor tachometer signal circuit check is OK. NG >> Repair or replace harness between climate controlled seat control unit and blower motor. Climate Controlled Seat Control Unit Inspection EIS0046Z 1. CHECK THE CLIMATE CONTROLLED SEAT CONTROL UNIT Does the heater operate normally when the driver side or passenger side climate controlled seat control unit is YES or NO YES >> Climate controlled seat control unit check is OK. NO >> Replace climate controlled seat control unit. Connector Terminal (Wire color) Condition Voltage (V) (Approx) (+) (–) B159 (Driver side), B359 (Passenger side) J14(W) Ground Climate controlled seat 5 – 7 Climate controlled seat 0 PIIA3321E J14 (W) − J14 (W) : Continuity should exist J14 (W) − Ground : Continuity should not exist PIIA3322E |