LEMON Manuals: Even more car manuals for everyone: 1960-2025
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
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.
scientia non olet · About LEMON Manuals