DTC 38


id070200803600

DTC 38

Passenger-side front air mix actuator (potentiometer) (past)

POSSIBLE CAUSE
•  Passenger-side front air mix actuator malfunction
•  Open circuit between passenger-side front air mix actuator and climate control unit
•  Short circuit between passenger-side front air mix actuator (terminal E) and front climate control unit (terminal 2G: 16-pin)

Diagnostic Procedure

STEP

INSPECTION

ACTION

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