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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