| Circuit Diagram |

Signal 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 OFF switch more then 4 times within 2 seconds while pressing the MODE switch. DisplayFail description00Normal50Cluster ionizer fault * Diagnostic procedure refer to DTC code. Replacement 1. Disconnect the negative (-) battery terminal.