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PGM-FI Main Relay

NOTE: If engine starts and continues to operate, PGM-FI main relay is okay.
  1. Remove PGM-FI relay, located under left side of instrument panel. 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 No. 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 relay terminals No. 6 and No. 7. If continuity exists, go to next step. If continuity does not exist, replace relay.
  4. Connect battery voltage to terminal No. 6. Connect terminal No. 1 to ground. Test for continuity between relay terminals No. 4 and No. 5. If continuity exists, relay is okay. If continuity does not exist, replace relay.
    Fig 1: PGM-FI Relay Terminals
    G96J01358Courtesy of AMERICAN HONDA MOTOR CO., INC.