W/Harness Inspection

Engine Control
P0192 Fuel Rail Pressure Sensor Circuit Low Input - Inspection/Repair:_:W/Harness Inspection

Terminal and Connector inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found ?






Power Circuit Inspection

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

Specification :power - approx. 5V




4. Is the measured voltage within specification ?






Signal Circuit Inspection

Check voltage
1. IG "OFF" & Disconnect fuel rail pressure sensor connector.
2. IG "ON".
3. Measure voltage between signal terminal of fuel rail pressure sensor harness connector and chassis ground.

Specification :signal - approx. 5V




4. Is the measured voltage within specification ?