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Home >> Acura >> 1997 >> 1.6EL XS, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Supply System >> PGM-FI Main Relay >> Relay Testing

Relay Testing

NOTE:
  • If the engine starts and continues to run, the PGM-FI main relay is OK.
  • Use the terminal numbers below; ignore the terminal numbers molded into the relay.
  1. Remove the PGM-FI main relay.
  2. Attach the battery positive terminal to the No. 2 terminal and the battery negative terminal to the No. 1 terminal of the PGM-FI main relay. Then check for continuity between the No. 5 terminal and No. 4 terminal of the PGM-FI main relay.
    • If there is continuity, go on to step 3.
    • If there is no continuity, replace the PGM-FI main relay and retest.
      Fig 1: Checking Continuity Between No. 5 Terminal And No. 4 Terminal Of PGM-FI Main Relay
      G06288016Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Attach the battery positive terminal to the No. 5 terminal and the battery negative terminal to the No. 3 terminal of the PGM-FI main relay. Then check that there is continuity between the No. 7 terminal and No. 6 terminal of the PGM-FI main relay.
    • If there is continuity, go on to step 4.
    • If there is no continuity, replace the PGM-FI main relay and retest.
  4. Attach the battery positive terminal to the No. 6 terminal and the battery negative terminal to the No. 1 terminal of the PGM-FI main relay. Then check that there is continuity between the No. 5 terminal and No. 4 terminal of the PGM-FI main relay.
    • If there is continuity, the PGM-FI main relay is OK. If the fuel pump still does not work, go to Troubleshooting  .
    • If there is no continuity, replace the PGM-FI main relay and retest.
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