DTC P1282:00 [PCM (SKYACTIV-D 2.2)]
id0102j5214200
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DTC P1282:00 |
Common rail control system problem |
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DETECTION CONDITION
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• With the following conditions met, the fuel pressure value in the common rail exceeds 250 MPa {2,549 kgf/cm2, 36,260 psi} or exceeds the fuel pressure value calculated by the PCM based on the engine speed for a continuous 1 s.
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 fuel pressure. (High pressure)
• Limits the engine torque/limits the maximum engine speed.
• Inhibits the automatic diesel particulate filter regeneration control.
• Inhibits the manual diesel particulate filter regeneration control.
• Inhibits engine-stop by i-stop control.
• Inhibits the EGR control.
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POSSIBLE CAUSE
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• Fuel filter clogging
• Fuel pressure relief valve malfunction
• Fuel pressure sensor (integrated with fuel injector No.2/No.3) malfunction
• Suction control valve malfunction (stuck open)
• Fuel pipe crushing or breakage (poor contact)
• PCM malfunction
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Results |
Action |
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1
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RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
• Record the freeze frame data/snap shot data.
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—
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Go to the next step.
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2
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VERIFY OTHER RELATED DTCs
• Switch the ignition OFF, and then switch it ON (engine off).
• Display the DTCs using the M-MDS.
• Has any DTC other than P1282:00 been stored?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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Go to the next step.
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3
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INSPECT FUEL PRESSURE RELIEF VALVE
• Inspect the fuel pressure relief valve.
• Is the fuel pressure relief valve normal?
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Yes
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Go to the next step.
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No
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Replace the common rail, then go to Step 8.
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4
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INSPECT FUEL PRESSURE SENSOR (INTEGRATED WITH FUEL INJECTOR NO.2/NO.3)
• Inspect the fuel pressure sensor (integrated with fuel injector No.2/No.3).
• Is the fuel pressure sensor (integrated with fuel injector No.2/No.3) normal?
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Yes
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Go to the next step.
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No
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Replace the fuel pressure sensor (integrated with fuel injector No.2/No.3), then go to Step 8.
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5
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INSPECT SUCTION CONTROL VALVE
• Inspect the suction control valve.
• Is the suction control valve normal?
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Yes
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Go to the next step.
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No
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Replace the suction control valve, then go to Step 8.
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6
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INSPECT FUEL PIPING
• Inspect the fuel piping.
• Is the fuel piping installation normal?
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Yes
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Go to the next step.
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No
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Install the fuel piping correctly, then go to Step 8.
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7
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INSPECT FUEL FILTER
• Inspect the fuel filter for clogging.
• Is the fuel filter normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location, then go to the next step.
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8
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Reconnect all disconnected connectors and hoses.
• Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC.
• Start the engine and warm it up.
• Drive the vehicle under the freeze frame data/snapshot data condition.
• Display the DTCs using the M-MDS.
• Has DTC P1282:00 been recorded?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the PCM, then go to the next step.
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No
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Go to the next step.
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9
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VERIFY OTHER DTCs
• Has any other DTC or pending code been stored?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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