Resistance Inspection

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch to the LOCK position.
Disconnect the negative battery cable.
Disconnect the fuel injector connector.
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
1. California emission regulation applicable model: 13.1--14.5 ohms [20 °C {68 °F}]
2. Except for California emission regulation applicable model: 11.4--12.6 ohms [20 °C {68 °F}]
  
  Fig 1: Identifying Fuel Injector Connector Terminals
  Courtesy of MAZDA MOTORS CORP.