Fuel System

4GR-FSE FUEL: FUEL SYSTEM: SYSTEM DIAGRAM

1. FUEL FLOW DIAGRAM





2. ELECTRICAL CONTROL DIAGRAM





3. HIGH PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM









4. LOW PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM





5. COLD START INJECTOR CIRCUIT DESCRIPTION

(a) The cold start injector is attached to the intake air surge tank. The cold start injector is designed to improve the ability of the engine to perform a cold start. It operates when the engine coolant temperature is -12°C (10°F) or less, the engine speed is 400 rpm or less, and the starter signal is on.