Checking 5 Volt Supply Circuit

Tests 1 - 3:

Tests 4 - 6:

SYMPTOM
CHECKING 5 VOLT SUPPLY CIRCUIT

POSSIBLE CAUSES
- 5-volt supply circuit shorted to ground
- 5-volt supply wiring harness intermittent defect
- A/C pressure sensor defective
- MAP sensor defective
- Throttle position sensor defective
- PCM defective (5 volt supply circuit)