| 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.
R
Replacement 1. Remove both stoppers (B) by turning them from the glove box (A). 2. Disconnect the air damper (A) from the glove box (B). 3. Remove the filter cover (A) by pressing the knob. 4. Replace the air filter (A) with a new one according to the direction of air filter.