Circuit Open/Short Inspection: Notes

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WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the PCM connector.
Inspect the following harness for an open or short wiring. (Continuity inspection)

Fig 1: Identifying Variable Tumble Shutter Valve Switch Harness Side Connector Terminals
Courtesy of MAZDA MOTORS CORP.