| 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.
Removal 1. Disconnect the negative (-) battery terminal. 2. After loosening the nuts (4EA) holding the rear combination lamp and disconnecting the connector (A), remove the outside rear combination lamp assembly. 3. Remove the bulb (A) after turning it in the counter clock-wise direction.
Self Diagnosis 1. Self-diagnosis process 2. How to read self-diagnostic code After the display panel blinks three times every 0.5 second, the corresponding fault code blinks on the setup temperature display panel every 0.5 second and will show two figures.