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DTC P000F:00 [PCM (SKYACTIV-X)]

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Note

•  To determine the malfunctioning part, proceed with the diagnostics from "Function Inspection Using M-MDS".

Details On DTCs

Description	High fuel pressure malfunction in fuel pressure control system
Detection condition	Determination conditions	•  Fuel pressure measured by high fuel pressure sensor is 93 MPa {948 kgf/cm2, 13489 psi} or more (hysteresis: 2 MPa {20 kgf/cm2, 290 psi}) for a continuous 5 s.
	Preconditions	•  Battery voltage: 8.0 V or more*1 •  Engine speed: 500 rpm or more •  The following DTC is not detected: ―  Fuel pressure: P0087:00, P0088:00, P0192:00 or P0193:00 ―  High pressure fuel pump: P0091:00 or P0092:00 *1: Standard can be verified by displaying PIDs using M-MDS
	Malfunction determination period	•  5 s period
	Drive cycle	•  1
	Self test type	•  CMDTC self test, KOEO self test, KOER self test
	Sensor used	•  High fuel pressure sensor
Fail-safe function	•  Performs fuel-cut control.
Vehicle status when DTCs are output	•  Fuel-cut control is performed until the negative battery terminal is disconnected and the engine is stopped.
Possible cause	•  High pressure fuel pump malfunction •  High fuel pressure sensor malfunction •  PCM malfunction
System wiring diagram	•  Not applicable
Connector diagram	•  Not applicable

Function Explanation (DTC Detection Outline)

•  The PCM calculates the target fuel pressure appropriate to the engine conditions relative to the actual fuel pressure based on the fuel pressure sensor signal, and provides feedback to the high pressure fuel pump control.

If the actual fuel pressure exceeds the specification, the PCM determines a malfunction in the high pressure fuel pump system, and stores a DTC.

The PCM starts the malfunction determination when the fuel pressure measured by the high fuel pressure sensor is 93 MPa {948 kgf/cm2, 13489 psi} or more, and continues the malfunction determination until the fuel pressure decreases to 91 MPa {928 kgf/cm2, 13198 psi} or less.

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Repeatability Verification Procedure

PID Item/Simulation Item Used In Diagnosis

PID/DATA monitor item table

Function Inspection Using M-MDS

Step	Inspection	Results	Action
1	PURPOSE: RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION •  Record the freeze frame data/snapshot data. Note •  Recording can be facilitated using the screen capture function of the PC.	—	Go to the next step.
2	PURPOSE: INSPECT FOR OTHER RELATED DTCs •  Perform the DTC inspection for the PCM. (See DTC INSPECTION.) •  Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-X)].) Go to the next step.
		No	Go to the next step.
3	PURPOSE: VERIFY CONNECTOR CONNECTIONS •  Start the engine. •  Access the FUEL_PRES PID using the M-MDS. (See PID/DATA MONITOR INSPECTION.) •  Does the PID value fluctuate when the following connectors are shaken? ―  High fuel pressure sensor ―  PCM	Yes	Repair or replace the applicable wiring harness or connector parts. Go to Troubleshooting Diagnostic Procedure to perform the repair completion verification.
		No	Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.

Troubleshooting Diagnostic Procedure

―  Perform a unit inspection of the high pressure fuel pump.

―  Perform a unit inspection of the high fuel pressure sensor.

―  Verify that the primary malfunction is resolved and there are no other malfunctions.

Step	Inspection	Results	Action
1	PURPOSE: INSPECT HIGH PRESSURE FUEL PUMP FOR MALFUNCTION •  Inspect the applicable part. (See HIGH PRESSURE FUEL PUMP INSPECTION [SKYACTIV-X 2.0].) •  Is the part normal?	Yes	Go to the next step.
		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See HIGH PRESSURE FUEL PUMP REMOVAL/INSTALLATION [SKYACTIV-X 2.0].)
2	PURPOSE: INSPECT HIGH FUEL PRESSURE SENSOR FOR MALFUNCTION •  Inspect the applicable part. (See HIGH FUEL PRESSURE SENSOR INSPECTION [SKYACTIV-X 2.0].) •  Is the part normal?	Yes	Go to the next step.
		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See FUEL DISTRIBUTOR REMOVAL/INSTALLATION [SKYACTIV-X 2.0].)
Repair completion verification 1	PURPOSE: VERIFY THAT VEHICLE IS REPAIREDPURPOSE: VERIFY THAT VEHICLE IS REPAIRED •  Install/connect the part removed/disconnected during the troubleshooting procedure. •  Clear the DTC recorded in the memory. (See CLEARING DTC.) •  Replicate the vehicle conditions at the time the DTC was detected using the following procedure. ―  Implement the repeatability verification procedure. (See Repeatability Verification Procedure.) •  Perform the DTC inspection for the PCM. (See DTC INSPECTION.) •  Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].) If the CAN communication is normal, perform the diagnosis from Step 1. •  If the malfunction recurs, replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [SKYACTIV-X 2.0].)
		No	Go to the next step.
Repair completion verification 2	PURPOSE: VERIFY IF OTHER DTCs DISPLAYED •  Perform the DTC inspection. (See DTC INSPECTION.) •  Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
		No	DTC troubleshooting completed.