Circuit Open/Short Inspection

Fig 1: Identifying MAF/IAT Sensor Connector End View

Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying MAF/IAT Sensor Connector End Views

Courtesy of MAZDA MOTORS CORP.

Fig 3: Identifying PCM Connector End Views With Terminals Layout

Courtesy of MAZDA MOTORS CORP.

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