Resistance Inspection

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
3. Disconnect the fuel injector connector.
4. Inspect the resistance between fuel injector terminals A and B.

Fig 1: Identifying Fuel Injector Connector Terminals

Courtesy of MAZDA MOTORS CORP.

Fuel injector resistance 

• 1.74-2.04 ohms [20 °C {68 °F}]
• If not within the specification, replace the fuel injector. (See FUEL INJECTOR REMOVAL/INSTALLATION .)