DTC 19

id070200803200

DTC 19 | Driver-side front air mix actuator (potentiometer) (past) (L.H.D.) Passenger-side front air mix actuator (potentiometer) (past) (R.H.D.)
--- | ---
POSSIBLE CAUSE | • Driver-side (passenger-side) front air mix actuator malfunction • Open circuit between driver-side (passenger-side) front air mix actuator and front climate control unit • Short circuit between driver-side (passenger-side) front air mix actuator and front climate control unit

Diagnostic procedure

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