lemon-mirror:
Home >> Infiniti >> 1996 >> G20 Base, Automatic, 1RL4F03A >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests 2.0L >> Fuel System >> Fuel Delivery >> Fuel Pump Control System

Fuel Pump Control System

  1. Unplug fuel pump relay. Turn ignition on. Check for battery voltage between ground and fuel pump relay connector terminal No. 2 (Brown wire) and terminal No. 3 (Brown wire).
  2. If battery voltage is present at terminals No. 2 and 3, go to next step. If battery voltage is not present, check wiring connectors 15-amp fuse in relay block.
  3. Disconnect fuel pump harness connector. Check continuity of Black/Red wire between fuel pump relay and fuel pump. Check continuity of Black/Yellow wire between fuel pump relay and ECM connector terminal No. 8. See Figure .
  4. Repair wiring as necessary. If no faults are found in wiring, test fuel pump relay. See RELAYS  under RELAYS & SOLENOIDS. Also test fuel pump and inspect ECM connector pin terminals.
· About lemon-mirror