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Home >> Mazda >> 2004 >> 3 i, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Pump Unit Inspection >> Continuity Inspection

Continuity Inspection

  1. Disconnect the negative battery cable.
  2. Disconnect the fuel pump unit connector.
  3. Inspect for continuity between the following fuel pump unit terminals.

    Except for California emission regulation applicable model 

    • A and E

    For California emission regulation applicable model 

    • A and B
    • If there is continuity, perform the "Circuit Open/Short Inspection".
    • If there is no continuity, replace the fuel pump.
      Fig 1: Identifying Fuel Pump Unit Connector Terminals
      G00973865Courtesy of MAZDA MOTORS CORP.