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Home >> Mazda >> 2005 >> 3 i, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine] >> Engine Control System Operation Inspection >> Fuel Pump Control System Inspection
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Fuel Pump Control System Inspection

  1. Crank the engine and verify that fuel pump relay operation sound is heard.
  2. If operation sound is not heard, inspect the following:
    • Fuel pump relay

      (See RELAY INSPECTION .)

    • Wiring harness and connectors (Main relay-fuel pump relay- PCM terminal 1AR (with immobilizer system), 1AQ (without immobilizer system)