Circuit Open/Short Inspection: Notes

Fig 1: Identifying Mass Air Flow Sensor And PCM Connector Terminals

Courtesy of MAZDA MOTORS CORP.

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [L3] .)
2. Disconnect the MAF sensor connector.
3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)