DTC P0089:00 [SKYACTIV-D 1.5]
id0102q2008900
DTC P0089:00 |
High fuel pressure malfunction in common rail fuel pressure control system |
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DETECTION CONDITION
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• When the following conditions are met, the actual fuel pressure exceeds 217 MPa {2,213 kgf/cm2, 31,473 psi} for a continuous 3 s:
MONITORING CONDITIONS
Diagnostic support note
• This is a continuous monitor (CCM).
• The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA/Snapshot data is available.
• DTC is stored in the PCM memory.
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FAIL-SAFE FUNCTION
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• Limits the engine torque or the upper limit of the engine speed.
• PCM restricts engine-transaxle integration control. (ATX)
• Inhibits engine-stop by operating the i-stop function.
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POSSIBLE CAUSE
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• Fuel pressure sensor malfunction
• Fuel filter clogged
• Fuel pipe improper routing (improper connection)
• Suction control valve malfunction
• Supply pump malfunction
• Fuel pressure relief valve malfunction
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic Procedure
STEP |
INSPECTION |
ACTION |
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1
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RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION
• Record the FREEZE FRAME DATA/snapshot data on the repair order.
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—
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Go to the next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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3
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VERIFY DTCs FOR FUEL PRESSURE SENSOR
• Switch the ignition off, then ON (engine off).
• Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
• Is the PENDING CODE/DTC P0191:00, P0192:00 or P0193:00 also present?
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Yes
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Go to the applicable DTC inspection.
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No
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Go to the next step.
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4
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INSPECT FUEL PRESSURE SENSOR
• Inspect the fuel pressure sensor.
• Is there any malfunction?
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Yes
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Replace the common rail, then go to Step 10.
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No
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Go to the next step.
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5
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INSPECT FUEL FILTER
• Inspect the fuel filter for clogging.
• Is there any malfunction?
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Yes
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Repair or replace the malfunctioning part according to the inspection results, then go to Step 10.
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No
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Go to the next step.
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6
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INSPECT FUEL PIPE
• Inspect the fuel pipe installation condition.
• Is there any malfunction?
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Yes
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Install the fuel pipe properly, then go to Step 10.
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No
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Go to the next step.
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7
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INSPECT SUCTION CONTROL VALVE
• Inspect the suction control valve.
• Is there any malfunction?
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Yes
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Replace the suction control valve, then go to Step 10.
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No
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Go to the next step.
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8
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INSPECT SUPPLY PUMP
• Inspect the supply pump.
• Is there any malfunction?
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Yes
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Replace the supply pump, then go to Step 10.
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No
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Go to the next step.
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9
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INSPECT FUEL PRESSURE RELIEF VALVE
• Inspect the fuel pressure relief valve.
• Is there any malfunction?
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Yes
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Replace the common rail, then go to the next step.
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No
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Go to the next step.
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10
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Always reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Drive the vehicle on a flat road surface 5 times under the following conditions.
• Perform the DTC Reading Procedure.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the PCM.
Go to the next step.
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No
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Go to the next step.
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11
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VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [SKYACTIV-D 1.5].)
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No
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DTC troubleshooting completed.
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