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DTC P0089:00 [PCM (SKYACTIV-X)]

DTC P0089:00 [PCM (SKYACTIV-X)]

 id0102u9008900

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

Details On DTCs

Description

Spill valve control solenoid valve control circuit range/performance problem
Detection condition
Determination conditions
•  The average fuel pressure on the high pressure side, measured by the high fuel pressure sensor, exceeds the specified value.
Preconditions
•  Engine speed: 500 rpm or more*1
•  The fuel injection amount cumulative value after engine start is the specification or more.
•  The following DTCs are not detected:
―  High fuel pressure sensor: P0087:00, P0088:00, P0192:00 and P0193:00
―  High pressure fuel pump: P0091:00 and P0092:00
*1: Standard can be verified by displaying PIDs using M-MDS
Malfunction determination period
•  Not applicable
Drive cycle
•  1
Self test type
•  CMDTC self test, KOER self test
Sensor used
•  High fuel pressure sensor
Fail-safe function
•  Limits intake air amount
•  Stops the spill valve control solenoid valve (integrated with high pressure fuel pump) to perform limp-home driving using the pressure on the low pressure side.
•  The upper limit of the engine speed is 2,500 rpm.
Note
•  The PCM maintains the fail-safe function until the negative battery terminal is disconnected.
Vehicle status when DTCs are output
•  Not applicable
Possible cause
•  High pressure fuel pump connector or terminals malfunction
•  PCM connector or terminals malfunction
•  High fuel pressure sensor malfunction
•  High pressure fuel pump malfunction
―  Spill valve control solenoid valve malfunction (built-into high pressure fuel pump)
•  High pressure fuel pipe clogging
•  Fuel distributor malfunction
•  Fuel injector malfunction
•  PCM malfunction


System Wiring 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 signal, and provides feedback to the high pressure fuel pump control. If the fuel pressure exceeds the specification, the PCM determines a malfunction in the high pressure fuel pump system, and stores a DTC.

Repeatability Verification Procedure

1.  Warm up the engine to allow the engine coolant temperature to reach 80 °C {176 °F} or more.
2.  Start the engine and leave it idling for 1 min.

PID Item/Simulation Item Used In Diagnosis

•  Not applicable

Function Inspection Using M-MDS

Step

Inspection

Results

Action
1
PURPOSE: VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY
•  Verify related Service Bulletins, on-line repair information, or Service Information availability.
•  Is any related Information available?
Yes
Perform repair or diagnosis according to the available information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
2
PURPOSE: IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA
•  Is the DTC P0089:00 on freeze frame data?
Yes
Go to the next step.
No
Go to the troubleshooting procedure for DTC on freeze frame data.
(See DTC TABLE [PCM (SKYACTIV-X)].)
3
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.
4
PURPOSE: INSPECT FOR OTHER RELATED DTCs
•  Perform the DTC inspection for the PCM.
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [PCM (SKYACTIV-X)].)
Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
No
Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.


Troubleshooting Diagnostic Procedure

Intention of troubleshooting procedure
•  Step 1
―  Replace the high pressure fuel system parts.
•  Repair completion verification
―  Verify that the primary malfunction is resolved and there are no other malfunctions.

Step

Inspection

Results

Action
1
PURPOSE: REPLACE HIGH PRESSURE FUEL SYSTEM RELATED PARTS DUE TO MALFUNCTION IN HIGH PRESSURE FUEL SYSTEM PARTS
•  Replace the following parts.
―  High pressure fuel pump
―  High pressure fuel pipe
―  Fuel injector No.1
―  Fuel injector No.2
―  Fuel injector No.3
―  Fuel injector No.4
―  Fuel distributor
—
Go to the next step.
Repair completion verification 1
PURPOSE: VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
―  Implement the repeatability verification procedure.
•  Perform the DTC inspection for the PCM.
•  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, 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.
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.