DTC P1687: Metering Oil Pump Control Circuit High Flow Side Problem

Fig 1: DTC P1687 Detection Condition & Possible Causes Chart (1 Of 2)

Courtesy of MAZDA MOTORS CORP.

Fig 2: DTC P1687 Detection Condition & Possible Causes Chart (2 Of 2)

Courtesy of MAZDA MOTORS CORP.

Diagnostic Procedure 

Fig 3: DTC P1687 Diagnostic Procedure Chart (Step 1-7)

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Fig 4: DTC P1687 Diagnostic Procedure Chart (Step 8-14)

Courtesy of MAZDA MOTORS CORP.