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Fuel Pressure Sensor Inspection: Notes

NOTE:
  • Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS MANUAL ).
  1. Connect the M-MDS to the DLC-2.
  2. Turn the ignition switch to the ON position (Engine off).
  3. Select the FUEL_PRES PID on the M-MDS.
  4. After warming up the engine, verify that the FUEL_PRES PID is at the standard value under the following conditions.
    • If not as verified, replace the fuel delivery pipe.
      FUEL_PRES PID VALUE

      Step Condition FUEL_PRES PID
      1
      • Idle
      • 90 s after engine is started
      		 Approx. 3 MPa
      2
      • Idle
      • Spill valve solenoid valve connector is disconnected
      		 Approx. 530 kPa
      Fig 1: Identifying DLC-2 Connector
      G04859820Courtesy of MAZDA MOTORS CORP.
  5. After connecting the spill valve control solenoid valve connector, clear the DTC.
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