P1492

Tests 9 - 14:

Tests 15 - 19:

Tests 20 - 21:

SYMPTOM LIST
P-1492 BATTERY TEMP SENSOR VOLTS TOO HIGH

TEST NOTE:
All symptoms listed above are diagnosed using the same tests. The title for the tests will be P-1492 BATTERY TEMP SENSOR VOLTS TOO HIGH.

WHEN MONITORED
With the ignition key on.

SET CONDITION
The PCM senses the voltage from the BTS to be either below 0.5 volts or above 4.9 volts for 3 seconds.

POSSIBLE CAUSES
- BTS connector and harness intermittent defect
- BTS connector and harness observably def
- Battery temperature sensor defective (V < 1.0V)
- Battery temperature sensor defective (V > 4.0V)
- PCM def (BTS voltage too low/voltage too high)
- PCM defective (BTS voltage low)
- BTS ground circuit open
- BTS signal circuit open
- BTS signal circuit short to ground
- BTS signal circuit short to sensor ground
- BTS signal circuit shorted to voltage