LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 1998 >> 2.5TL >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Engine Controls - Basic Testing) >> Fuel System >> Fuel Pressure >> Fuel Pump Relay
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump Relay

WARNING: This page is about a different car, the 1995 Acura 2.5TL. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove fuel pump main relay, located under left side of dash. Connect battery voltage to relay terminal No. 2. Connect terminal No. 1 to ground. See Fig 1.
  2. Test for continuity between relay terminals No. 4 and 5. If continuity exists, go to next step. If continuity does not exist, replace relay.
  3. Connect battery voltage to relay terminal No. 5. Connect terminal No. 3 to ground. Test for continuity between terminals No. 6 and 7. If continuity exists, go to next step. If continuity does not exist, replace relay.
  4. Connect battery voltage to relay terminal No. 6. Connect terminal No. 1 to ground. Test for continuity between relay terminals No. 4 and 5. If continuity exists, relay is okay. If continuity does not exist, replace relay.
    Fig 1: Identifying Fuel Pump Relay Terminals
    G95E31173Courtesy of AMERICAN HONDA MOTOR CO., INC.