Fuel Pressure Sensor Power Circuit Inspection

1. IG "OFF". Disconnect fuel pressure sensor connector.
2. IG "ON"
3. Measure the voltage between power terminal of fuel pressure sensor harness connector and chassis ground.

   Specification:  Approx. 5V

4. Is the measured voltage within specification?

YES 

• Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NO 

• Repair contact resistance or open in harness. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.