Control Circuit Inspection
- Turn "OFF" the ignition switch.
- Disconnect the Fuel Pressure Regulator Valve (FPR) connector.
- Turn "ON" the ignition switch.
- Measure voltage between high/low terminal of Fuel Pressure Regulator Valve (FPR) harness connector and chassis ground.
Specification: High - approx. 4.3V, Low - approx. 0.7V
- Is voltage within specification?
YES
- Go to "COMPONENT INSPECTION " as follows.
NO
- Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.