Circuit Open/Short Inspection: Notes

Fig 1: Identifying MAF/IAT Sensor Connector End View

Courtesy of MAZDA MOTORS CORP.

Fig 2: View Of Fuse Box (Main Relay)

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Fig 3: Identifying PCM Connector End Views With Terminals Layout

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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)