Resistance Inspection

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Disconnect the fuel injector connector. (See Fuel Injector Removal/Installation .)
Inspect the resistance between fuel injector terminals A and B.

Fig 1: Inspecting Resistance Between Fuel Injector Terminals A And B
Courtesy of MAZDA MOTORS CORP.

Fuel injector resistance

1.34-1.64 ohms [20°C {68°F}]
- If not within the specification, replace the fuel injector. (See Fuel Injector Removal/Installation .)