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

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

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)

Courtesy of MAZDA MOTORS CORP.

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

Courtesy of MAZDA MOTORS CORP.