DTC 22


id070200803400

DTC 22

Front airflow mode actuator (potentiometer) (past)

POSSIBLE CAUSE
•  Front airflow mode actuator malfunction
•  Open circuit between front airflow mode actuator and front climate control unit
•  Short circuit between front airflow mode actuator (terminal E) and front climate control unit (terminal 2E: 16-pin)

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
•  Inspect front airflow mode actuator. (See FRONT AIRFLOW MODE ACTUATOR INSPECTION.)
•  Is it okay?
Yes
Go to the next step.
No
Replace front airflow mode actuator. (See FRONT AIRFLOW MODE ACTUATOR REMOVAL/INSTALLATION.)
2
•  Disconnect front climate control unit connector (16-pin) and front airflow mode actuator connector.
•  Is there open circuit between following terminals of front climate control unit connector (16-pin) and front airflow mode actuator connector?
―  2B—A
―  2E—E
―  2P—C
Yes
Repair wiring harness.
No
Go to the next step.
3
•  Is there short circuit to ground between terminal 2E of front climate control unit connector (16-pin) and terminal E of front airflow mode actuator connector?
Yes
Repair wiring harness.
No
This system is normal at present. (Erase the past failure from memory.)