P1493

Tests 1144 - 1147:

Tests 1148 - 1151:

Tests 1152 - 1155:

Test 1156:

SYMPTOM
P-1493 BTS VOLTAGE TOO LOW

TEST NOTE
All symptoms listed above are diagnosed using the same tests. The title for the tests will be P-1492 BTS VOLTAGE 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
- Battery temperature sensor defective
- Battery temperature sensor ground circuit open
- BTS def (voltage too high)
- Battery temperature sensor signal circuit open
- BTS connector and harness intermittent def
- BTS connector and harness observably def
- BTS signal circuit short to ground
- BTS signal circuit short to sensor ground
- BTS signal circuit shorted to voltage
- PCM def (BTS voltage low)
- PCM defective (BTS vtge too low/ voltage too high)