DTC P1686: Metering Oil Pump Control Circuit Low Flow Side Problem

Fig 1: DTC P1577 Detection Condition & Possible Causes Chart (1 Of 2)

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Fig 2: DTC P1577 Detection Condition & Possible Causes Chart (2 Of 2)

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Diagnostic Procedure 

Fig 3: DTC P1577 Diagnostic Procedure Chart (Step 1-3)

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Fig 4: DTC P1577 Diagnostic Procedure Chart (Step 4-9)

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Fig 5: DTC P1577 Diagnostic Procedure Chart (Step 10-14)

Courtesy of MAZDA MOTORS CORP.