| Circuit Diagram |

Signal Waveform Idle rail pressure regulator waveform
Inspection 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the fuel pressure regulator valve connector.
C
Inspection 1. Press the MODE switch more than 4 times within 2 seconds while pressing the OFF switch. DisplayFail description00Normal51Cluster ion generator fault * For diagnostic procedure, refer to DTC guide. Replacement 1. Disconnect the negative (-) battery terminal.