STEP
INSPECTION
ACTION
1
• Inspect the airflow mode actuator. (See AIRFLOW MODE ACTUATOR INSPECTION.)
• Is it normal?
Yes
Go to the next step.
No
Replace the airflow mode actuator. (See AIRFLOW MODE ACTUATOR REMOVAL/INSTALLATION.)
2
• Disconnect the climate control unit connector and the airflow mode actuator connector.
• Is there an open circuit in the wiring harness between the following terminals of the climate control unit and the airflow mode actuator?
-
― Climate control unit terminal P—Airflow mode actuator terminal A― Climate control unit terminal L—Airflow mode actuator terminal C― Climate control unit terminal U—Airflow mode actuator terminal B
Yes
Repair the wiring harness.
No
Go to the next step.
3
• Is there a short circuit to ground in the wiring harness between climate control unit terminal L and airflow mode actuator terminal C?
Yes
Repair the wiring harness.
No
The system is normal at present. (Clear the past malfunction from the memory.)
