Circuit Open/Short Inspection: Notes

WARNING: This page is about a different car, the 2007 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying MAF/IAT Sensor Connector Terminals

Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying Main Relay Connector Terminals

Courtesy of MAZDA MOTORS CORP.

Fig 3: PCM Connector Terminal Identification

Courtesy of MAZDA MOTORS CORP.

Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION ).
Disconnect the MAF/IAT sensor connector.
Inspect the following wiring harnesses for an open or short circuit. (Continuity check)