Resistance Inspection

WARNING: This page is about a different car, the 2005 Mazda RX-8. 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. (See BATTERY REMOVAL/INSTALLATION .)
Remove the extension manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Disconnect the fuel injector connector.
Measure the resistance between terminals A and B of the fuel injector using a tester.

Fig 1: Identifying Connector Terminal
Courtesy of MAZDA MOTORS CORP.
- If within the specification, perform out the "Circuit Open/Short Inspection".
- If not within the specification, replace the fuel injector.
Resistance
1. Approx. 13.8 ohms [20 °C {68 °F}]