DTC 12
id070200802700
DTC 12
Ambient temperature sensor system inspection
POSSIBLE CAUSE
• Ambient temperature sensor malfunction
• Climate control unit malfunction
• Open or short circuit between ambient temperature sensor and climate control unit
Diagnostic Procedure
STEP
INSPECTION
ACTION
1
• Is resistance between terminals 1I and 1K of climate control unit connector (24-pin) as indicated below?
-
122 ohms-182 kilohms
Yes
Replace climate control unit.
No
Go to next step.
2
• Inspect ambient temperature sensor.
• Is it okay?
Yes
Repair wiring harness.
No
Replace ambient temperature sensor.