| 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. Remove the front bumper. (Refer to Body - "Front Bumper Cover") 3. Disconnect the front fog lamp connector (A). 4. Remove the front fog lamp assembly (A) after loosening the mounting nut.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the front/rear bumper cover. (Refer to Body - "Front Bumper Cover") (Refer to Body - "Rear Bumper Cover") 3. Disconnect the connector (B) from the parking assist sensor (A).