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Home >> Mazda >> 2005 >> 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 Harness Connector Terminals
G03635900Courtesy of MAZDA MOTORS CORP.