DTC P260F [MZI-3.7]
id0102d2600200
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DTC P260F |
Evaporative emission system monitoring processor performance |
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DETECTION CONDITION
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• This DTC sets when a concern is detected internal to the PCM. The microprocessor that controls the engine off natural vacuum (EONV) leak check monitor is separate from the main processor within the PCM.
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POSSIBLE CAUSE
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• Module communications network concerns
• PCM calibration level
• PCM malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
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 FREEZE FRAME DATA on the repair order, then 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 RELATED PENDING CODE OR STORED DTCs
• Turn the ignition switch off then to the ON position (Engine off).
• Verify the related PENDING CODE or stored DTCs using the M-MDS.
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Yes
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Go to the appropriate DTC troubleshooting. (See DTC TABLE [MZI-3.7].)
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No
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Go to the next step
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4
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INSPECT THE PERFORMANCE OF THE PROCESSOR
• Turn the ignition switch off.
• Disconnect the battery and wait for 1 min.
• Connect the battery.
• Start the engine and warm it up completely.
• Allow the engine idle to stabilize.
• Access FTP PID.
• Is the pressure equal to 0 kPa {0 kgf/cm2, 0 psi}?
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Yes
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Go to 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 FOR SELF-TEST DTC P260F
• Idle the engine 2 min.
• Perform the KOEO/KOER self-test.
• Is DTC P260F present?
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Yes
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Go to the next step.
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No
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Troubleshooting completed.
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6
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INSPECT PCM FOR THE LATEST CALIBRATION
• Program the PCM to the latest calibration.
• Turn the ignition switch to the ON position (Engine running).
• Idle the engine for 2 min.
• Perform the KOEO/KOER self-test.
• Is DTC P260F present?
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Yes
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Go to the next step.
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No
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Troubleshooting completed.
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7
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INSPECT FOR CORRECT PCM OPERATION
• Disconnect all the PCM connectors.
• Visually inspect for:
• Connect all the PCM connectors and verify that they seat correctly.
• Retrieve DTCs using the M-MDS.
• Is the PENDING CODE for this DTC present?
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Yes
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Go to the next step.
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No
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The system is correctly. Go to the next step.
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8
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VERIFY TROUBLESHOOTING OF DTC P260F HAS BEEN COMPLETED
• Verify that all disconnected connectors reconnected.
• Clear the DTC from the PCM memory using the M-MDS.
• Perform the KOEO or KOER self-test using the M‐MDS.
• Is the PENDING CODE for the DTC present?
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Yes
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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 AFTER REPAIR PROCEDURE
• Perform “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 [MZI-3.7].)
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No
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Troubleshooting completed.
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