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Home >> Jaguar >> 2012 >> XF Supercharged >> Repair and Diagnosis (Single Page) >> General Information >> OBD-II Drive Cycles >> XJ 2009 >> Evaporative Emission System Monitor Drive Cycle >> Evaporative System Leak Faults

Evaporative System Leak Faults

  1. Ensure that fuel filler cap is secure (minimum three clicks).
  2. Ensure that fuel level is within the range of 15 > 85%.
  3. Ensure that normal "high range" gears are selected.
  4. Ensure that the ambient temperature signal is within the range of 0 > 40 °C (if not, a short drive may be necessary to overcome the filtering used in this signal).
  5. Ensure that any other DTCs have been rectified (especially if they relate to the purge valve or DMTL heater) and then clear them from the CM memory.
  6. Leave the vehicle to stand undisturbed for at least 3 hours in an environment with ambient temperature within the range of 0 > 40 °C and atmospheric pressure above 70 kPa.
  7. Start the engine and allow to idle for at least 10 minutes.
  8. Switch the engine off and remove the key from the ignition switch.
  9. Allow the vehicle to stand undisturbed for at least 10 minutes.
  10. Switch the ignition back on, wait for 10 seconds, check for DTCs.
  11. If a small leak fault is being investigated this drive cycle will need to be repeated (rough leak check is every drive cycle, small leak check is every other drive cycle).
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