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DTC 22

id070200803400

DTC 22 | Airflow mode actuator (potentiometer) (past)
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POSSIBLE CAUSE | • Airflow mode actuator malfunction • Climate control unit malfunction • Open circuit between airflow mode actuator and climate control unit • Short circuit between airflow mode actuator (terminal C) and climate control unit (terminal 1W: 24-pin)

Diagnostic Procedure

STEP | INSPECTION | ACTION
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1 | • Inspect airflow mode actuator. • Is it okay? | Yes | Go to the next step.
No | Replace airflow mode actuator.
2 | • Disconnect climate control unit connector (24-pin) and air mix actuator connector. • Is there open circuit between following terminals of climate control unit connector (24-pin) and airflow mode actuator connector? - 1B-B - 1W-C - 1I-A | Yes | Repair wiring harness.
No | Go to the next step.
3 | • Is there short circuit to ground between terminal 1W of climate control unit connector (24-pin) and terminal C of airflow mode actuator connector? | Yes | Repair wiring harness.
No | This system is normal at present. (Erase the past failure from memory.)