DTC B1C1C:11, B1C1C:13


id070200817200

DTC B1C1C:11, B1C1C:13

Airflow mode actuator (potentiometer) system

POSSIBLE CAUSE
•  Airflow mode actuator malfunction
•  Open circuit in wiring harness between climate control unit and airflow mode actuator
•  Short circuit in wiring harness between climate control unit (terminal 2B) and airflow mode actuator (terminal C)

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
•  Inspect the airflow mode actuator. (See AIRFLOW MODE ACTUATOR INSPECTION [FULL-AUTO AIR CONDITIONER].)
•  Is it normal?
Yes
Go to the next step.
No
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?
―  2K—A
―  2B—C
―  2L—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 2B 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.)