Climate Controlled Seat Switch

CLIMATE CONTROLLED SEAT SWITCH

Description

Installed in the center console and transmits signals to climate controlled seat control unit in accordance with the HEAT or COOL switch operation of the climate controlled seat switch.


Component Function Check


1. CHECK CLIMATE CONTROLLED SEAT SWITCH FUNCTION

Check that climate controlled seat activates when operating climate controlled seat control switch.
Is the inspection result normal?
YES- Climate controlled seat switch is OK.
NO- .


Diagnosis Procedure


1. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT INPUT SIGNAL

1.Turn ignition switch ON.
2.Check voltage between climate controlled seat control unit harness connector and ground.





Is the inspection result normal?
YES- Climate controlled seat switch circuit is OK.
NO-1- HEAT or COOL mode is NG :GO TO 2.
NO-2- HEAT and COOL modes are NG : GO TO 3.

2. CHECK CLIMATE CONTROLLED SEAT SWITCH CIRCUIT

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





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





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

3. CHECK CLIMATE CONTROLLED SEAT SWITCH POWER SUPPLY

1.Turn ignition switch OFF.
2.Disconnect climate controlled seat switch connector.
3.Turn ignition switch ON.
4.Check voltage between climate controlled seat switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. CHECK CLIMATE CONTROLLED SEAT SWITCH POWER SUPPLY CIRCUIT

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





4.Check continuity between climate controlled seat switch 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 SEAT SWITCH

Check climate controlled seat switch.
.
Is the inspection result normal?
YES- GO TO 6.
NO- Replace climate controlled seat switch. Removal And Installation.

6. CHECK INTERMITTENT INCIDENT

Intermittent Incident Regular Grade.
- INSPECTION END


Component Inspection


1. CHECK CLIMATE CONTROLLED SEAT SWITCH

1.Turn ignition switch OFF.
2.Disconnect climate controlled seat switch connector.
3.Check the continuity between climate controlled seat switch terminals under the following conditions.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace climate controlled seat switch. Removal And Installation.