P1496 5 Volt Supply Output Too Low

SYMPTOM
P-1496 5-VOLT SUPPLY OUTPUT TOO LOW

WHEN MONITORED
With the Ignition On.

SET CONDITION
The 5-volt Supply to the Sensors is below 3.5 volts for 4 seconds.

POSSIBLE CAUSES
- 5-volt supply circuit short to ground
- A/C pressure sensor defective
- Harness or connector intermittent defect
- MAP sensor defective
- Throttle position sensor defective
- PCM defective (5V supply ckt)