DTC Troubleshooting: P1059 (179)
DTC P1059:
 Fuel Rail Pressure Control Valve Circuit Shorted to Power
NOTE: Before you troubleshoot, record all freeze data and review the general troubleshooting information.
  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 P1059 indicated?
YES -
Go to Step 4 .
NO -
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the fuel rail pressure control valve and the ECM.■
  1. Turn the ignition switch OFF, and wait 2 minutes.
  1. Disconnect the fuel rail pressure control valve 2P connector.
  1. At solenoid side, measure resistance between fuel rail 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).