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Fuel Pump Relay

NOTE: Fuel pump relay is also know as PGM-FI relay.
  1. Remove fuel pump relay located near underdash fuse box. Connect battery voltage to terminal No. 4, and ground terminal No. 8 of relay. See Fig 1 .
    Fig 1: Identifying Fuel Pump Relay Terminals
    G93521Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Check continuity between relay terminals No. 5 and 7. If continuity is present, go to next step. If continuity is not present, replace relay.
  3. Connect battery positive to relay terminal No. 5, and ground terminal No. 2. Check continuity between relay terminals No. 1 and 3. If continuity exists, go to next step. If continuity does not exist, replace relay.
  4. Connect battery positive to main relay terminal No. 3 and battery negative to terminal No. 8. Check continuity between relay terminals No. 5 and 7. If continuity exists, relay is okay. If continuity does not exist, replace relay.
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