DTC P1057: Fuel Rail Pressure Control Valve Circuit Shorted to Power

1. Turn the ignition switch ON (II).

1. Clear the DTC with the HDS.

1. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P1057 indicated?

YES | - | Go to Step 4 .
NO | - | Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the fuel pressure control valve and the ECM.■

1. Turn the ignition switch OFF, and wait 30 seconds.

1. Disconnect the fuel pressure control valve 2P connector.

1. At solenoid side, measure resistance between fuel pressure control valve 2P connector terminals No. 1 and No. 2.

Is there about 3.5 Ω at room temperature?

YES | - | Go to Step 7 .
NO | - | Go to Step 10 .

1. Disconnect ECM connector No. 1 (96P).

1. Turn the ignition switch ON (II).