P0112

Test 1 - 2:

Test 3 - 7:

SYMPTOM
P0112-INTAKE MR TEMPERATURE (IAT) SENSOR VOLTAGE TOO LOW

WHEN MONITORED
With the ignition on and battery voltage greater than 10.4 volts.

SET CONDITION
The circuit voltage to the ECM falls below a calibrated threshold for a certain period of time.

POSSIBLE CAUSES
- Intake air temp sensor out of spec
- Intermittent condition
- (K21) sensor signal circuit shorted to ground circuit
- Wiring harness shorted
- (K72E) 5-volt supply circuit open
- ECM
- ECM