DTC 12


id070200802700

DTC 12

Ambient temperature sensor (present)

POSSIBLE CAUSE
•  Ambient temperature sensor malfunction
•  Open or short circuit between ambient temperature sensor and front climate control unit

Diagnostic procedure

STEP

INSPECTION

ACTION

1
•  Is resistance between terminals 2I and 2P of front climate control unit connector (16-pin) as indicated below?
―  190 ohms—40 kilohms (-30—80 °C {-22—176 °F})
―  1.615—1.785 kilohms (25 °C {77 °F})
Yes
Inspect the connection of the front climate control unit connector.
No
Go to the next step.
2
•  Inspect ambient temperature sensor. (See AMBIENT TEMPERATURE SENSOR INSPECTION.)
•  Is it okay?
Yes
Repair wiring harness.
No
Replace ambient temperature sensor. (See AMBIENT TEMPERATURE SENSOR REMOVAL/INSTALLATION.)