Diagnosis Procedure

CLIMATE CONTROLLED SEAT BLOWER MOTOR


Description

Sends airflow to the seat cushion and seatback.




CLIMATE CONTROLLED SEAT BLOWER MOTOR


Diagnosis Procedure

Regarding Wiring Diagram information, Climate Controlled Seat Control Unit.
1.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR
Perform climate controlled seat blower motor component inspection. Component Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Replace climate controlled seat blower motor.
2.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR POWER SUPPLY





1. Turn ignition switch ON.
2. Check voltage between climate controlled seat blower motor connector B220 terminal 2 and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect climate controlled seat blower motor connector and climate controlled seat control unit connector B212.
3. Check continuity between climate controlled seat blower motor connector B220 (A) terminal 2 and climate controlled seat control unit connector B212 (B) terminal 7.






4. Check continuity between climate controlled seat blower motor connector B220 (A) terminal 2 and ground.





Is the inspection result normal?
YES - Replace climate controlled seat control unit.
NO - Repair harness or connectors.
4.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR SPEED CONTROL SIGNAL





Check voltage between climate controlled seat blower motor connector B220 terminal 3 and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 5.
5.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR SPEED CONTROL SIGNAL CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect climate controlled seat blower motor connector and climate controlled seat control unit connector B212.
3. Check continuity between climate controlled seat blower motor connector B220 (A) terminal 3 and climate controlled seat control unit connector B212 (B) terminal 4.






4. Check continuity between climate controlled seat blower motor connector B220 (A) terminal 3 and ground.





Is the inspection result normal?
YES - Replace climate controlled seat control unit.
NO - Repair harness or connectors.
6.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR GROUND CIRCUIT





1. Disconnect climate controlled seat blower motor connector and climate controlled seat control unit connector B212.
2. Check continuity between climate controlled seat blower motor connector B220 (A) terminal 4 and climate controlled seat control unit connector B212 (B) terminal 6.





Is the inspection result normal?
YES - Replace climate controlled seat control unit.
NO - Repair harness or connectors.