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Mazda
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2007
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3 Mazdaspeed, 2.3 L
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Repair and Diagnosis
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Engine Performance
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Fuel Delivery
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Fuel System (L3 With TC)
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Fuel Injector Inspection
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Circuit Open/Short Inspection
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Notes
Circuit Open/Short Inspection: Notes
Disconnect the PCM connector. (See
PCM REMOVAL/INSTALLATION
.)
Inspect the following wiring harnesses for an open or short circuit (continuity check).
Fig 1: Identifying Fuel Injector Connector Terminals
Courtesy of MAZDA MOTORS CORP.
Fig 2: PCM Connector Terminal Identification
Courtesy of MAZDA MOTORS CORP.