Fuel Shut-Off System: Description

The Fuel Shut-Off system is used to reduce HC emissions and fuel consumption during deceleration. This system is vacuum actuated and consists of an anti-dieseling solenoid valve, vacuum switch, neutral switch (Man. Trans. only), clutch pedal switch (Man. Trans. only) and an inhibitor switch (Auto. Trans. only). A throttle valve switch is also installed on 210 and 310 models (Man. Trans. only).

Fig 1: Schematic of Fuel Shut-Off System (510 & Pickup Models)

Courtesy of NISSAN NORTH AMERICA, INC.

Fig 2: Schematic of Fuel Shut-Off System (210 & 310 Models)

Courtesy of NISSAN NORTH AMERICA, INC.