Resistance Inspection

Disconnect the negative battery terminal. (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the plug hole plate. (Refer to PLUG HOLE PLATE REMOVAL/INSTALLATION .)
Disconnect the fuel injector connector. (Refer to FUEL INJECTOR REMOVAL/INSTALLATION .)
Inspect the resistance between fuel injector terminals A and B.

Fig 1: Identifying Fuel Injector Terminals
Courtesy of MAZDA

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