Circuit Open/Short Inspection: Notes

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the PCM connector.
Inspect the following wiring harness for open or short (continuity check).

Fig 1: Identifying Fuel Injector & Main Relay Connector Terminals
Courtesy of MAZDA MOTORS CORP.