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Test F: Temperature Control Is Inoperative

PINPOINT TEST F: TEMPERATURE CONTROL IS INOPERATIVE


F1-F3:






F4-F5:






Normal Operation
Under normal operation, the temperature control switch actuates the temperature blend door through the temperature blend door actuator cable.

Possible Causes
- temperature control switch
- temperature blend door actuator cable
- heater core
- stuck or bound temperature blend door