Circuit Open/Short Inspection: Notes

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.

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION ).
2. Disconnect the MAF sensor connector.
3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
   Fig 3: Identifying PCM Connector

   Courtesy of MAZDA MOTORS CORP.