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STEP
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INSPECTION
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ACTION
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Check for related service repair information availability?
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Yes
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Perform repair or diagnosis according to available repair information.
• If 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 OTHER STORED DTCs
• Connect the WDS or equivalent to the DLC-2.
• Turn the engine switch to the ON position.
• Retrieve the stored DTC.
• Is the DTC P0093 displayed?
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Yes
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Go to troubleshooting procedures for DTC P0093.
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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 LINE FOR LEAKAGE
• Start the engine.
• Disconnect the suction control valve connector.
• Verify that the fuel leakage between supply pump and fuel injector.
• Is there any fuel leakage?
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Yes
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Repair or replace for fuel leakage, then go to the Step 6.
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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 PRESSURE LIMITER REGULATING PRESSURE
• Access FRP PID using the WDS or equivalent.
• Start the engine and run it at idle.
• Disconnect the suction control valve connector.
• Monitor the FRP PID.
• Does the FRP PID indicate less than 112 MPa {1142 kgf/cm2, 16,244 psi}?
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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 the next step.
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6
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VERIFY TROUBLESHOOTING OF DTC P0089 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn the engine switch to the ON position (engine off).
• Clear the DTC from PCM memory using the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
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Yes
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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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7
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VERIFY AFTER REPAIR PROCEDURE
• Perform the "AFTER REPAIR PROCEDURE".
• Is any DTCs present?
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Yes
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Go to applicable DTC inspection.
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No
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Troubleshooting completed.
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