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Home >> Mazda >> 2007 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (L3) >> Fuel Injector Inspection >> Resistance Inspection

Resistance Inspection

  1. Turn the ignition switch to the LOCK position.
  2. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3] ).
  3. Disconnect the negative battery cable.
  4. Disconnect the fuel injector connector.
  5. Inspect the resistance between fuel injector terminals A and B using a tester.
    • If within the specification, perform the "Circuit Open/Short Inspection".
    • If not within the specification, replace the fuel injector.

      Fuel injector resistance 

      11.4-12.6 ohms [20 °C {68 °F}] 

      Fig 1: Identifying Fuel Injector Terminals
      G04315949Courtesy of MAZDA MOTORS CORP.