2.CHECK FUEL RAIL PRESSURE (FRP) SENSOR POWER SUPPLY-1
3.CHECK FRP SENSOR POWER SUPPLY-2
4.CHECK FRP SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between FRP sensor harness connector and ECM harness connector.
FRP sensor | ECM | Continuity |
Connector | Terminal | Connector | Terminal |
F79 | 3 | F51 | 61 | Existed |
Is inspection result normal?
Perform trouble diagnosis for power supply circuit. Repair or replace malfunctioning part.
5.CHECK FRP SENSOR GROUND CIRCUIT
6.CHECK ECM GROUND CIRCUIT
- Check the continuity between ECM harness connector and the ground.
ECM | Ground | Continuity |
Connector | Terminal |
F51 | 4 | Ground | Existed |
E16 | 156 |
157 |
160 |
- Also check harness for short to power.
Is inspection result normal?
INSPECTION END Repair or replace malfunctioning part.
7.CHECK FRP SENSOR SIGNAL CIRCUIT