Climate Controlled Seatback Blower Motor

CLIMATE CONTROLLED SEATBACK BLOWER MOTOR





Description
Sends air flow to the seatback.




Component Function Check
1.CHECK CLIMATE CONTROLLED SEATBACK BLOWER MOTOR FUNCTION
When turning the climate controlled seat switch to the HEAT or COOL mode position, check that the climate controlled seatback blower is operated in each specific mode.
Is the inspection result normal?
YES - Climate controlled seatback blower motor is OK.
NO - Climate Controlled Seat Cushion Blower Motor.




Diagnosis Procedure
1.CHECK CLIMATE CONTROLLED SEATBACK BLOWER MOTOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between climate controlled seatback blower motor harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK CLIMATE CONTROLLED SEATBACK BLOWER MOTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seatback blower motor connector and climate controlled seat control unit connector.
3. Check continuity between climate controlled seatback blower motor harness connector and climate controlled seat control unit harness connector.





4. Check continuity between climate controlled seatback blower motor harness connector and ground.





Is the inspection result normal?
YES - Replace climate controlled seat control unit. Overhaul.
NO - Repair or replace harness.
3.CHECK CLIMATE CONTROLLED SEATBACK BLOWER MOTOR SPEED CONTROL SIGNAL
Check voltage between climate controlled seatback blower motor harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 4.
4.CHECK CLIMATE CONTROLLED SEATBACK BLOWER MOTOR SPEED CONTROL SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seatback blower motor connector and climate controlled seat control unit connector.
3. Check continuity between climate controlled seatback blower motor harness connector and climate controlled seat control unit harness connector.





4. Check continuity between climate controlled seatback blower motor harness connector and ground.





Is the inspection result normal?
YES - Replace climate controlled seat control unit. Overhaul.
NO - Repair or replace harness.
5.CHECK CLIMATE CONTROLLED SEATBACK BLOWER MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seatback blower motor and climate controlled seat control unit connector.
3. Check continuity between climate controlled seatback blower motor harness connector and climate controlled seat control unit harness connector.





4. Check continuity between climate controlled seatback blower motor harness connector and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair or replace harness.
6.CHECK CLIMATE CONTROLLED SEATBACK BLOWER MOTOR GROUND
1. Connect climate controlled seat control unit connector.
2. Check continuity between climate controlled seatback blower motor harness connector and ground.





Is the inspection result normal?
YES - Replace climate controlled seatback blower motor. Overhaul.
NO - Replace climate controlled seat control unit. Overhaul.