P1492
Tests 1 - 2:
Tests 3 - 6:
Test 7:
SYMPTOM
P1492-AMBIENT/BATT TEMP SENSOR VOLTS TOO HIGH
WHEN MONITORED
With the ignition key ON.
SET CONDITION
The PCM senses the voltage from the AMBIENT/BATT Temperature Sensor above 4.9 volts for 3 seconds.
POSSIBLE CAUSES
- Intermittent condition
- Ambient/Batt signal circuit short to 12-Volts
- Ambient/Batt signal circuit open
- Sensor ground circuit open
- Ambient/Batt temperature sensor
- PCM