DTC 38


id070200803600

DTC 38

Passenger-side front air mix actuator (potentiometer) (past) (L.H.D.)

Driver-side front air mix actuator (potentiometer) (past) (R.H.D.)

POSSIBLE CAUSE
•  Passenger-side (driver-side) front air mix actuator malfunction
•  Open circuit between passenger-side (driver-side) front air mix actuator and climate control unit
•  Short circuit between passenger-side (driver-side) front air mix actuator and front climate control unit

Diagnostic procedure

STEP

INSPECTION

ACTION

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