LEMON Manuals
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Mazda
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2021
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3 Select, 4D Hatchback, AWD
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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On-Board Diagnostic - Engine Control System (VINS 7, L, M) (2 Of 4)
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DTC P064D-00: Internal Control Module A/F Sensor Processor Performance Problem
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Function Explanation (DTC Detection Outline)
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Function Explanation (DTC Detection Outline)
If there is communication error between the A/F signal control driver and the CPU, the PCM stores a DTC.