DTC 12

id070200802700

DTC 12 | Ambient temperature sensor (present)
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POSSIBLE CAUSE | • Ambient temperature sensor malfunction • Open or short circuit between ambient temperature sensor and front climate control unit

Diagnostic procedure

STEP | INSPECTION | ACTION
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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.)