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Home >> Jaguar >> 2012 >> XF Supercharged >> Repair and Diagnosis >> General Information >> OBD-II Drive Cycles >> XJ8, XJR, XK8 & XKR 2000-03 >> Drive Cycle Leak Tests >> 20 Thou Leak Test

20 Thou Leak Test

NOTE: This test needs to be completed within 50 minutes of starting the engine from cold. It should be run following the 40 thou test.
  1. Continue driving vehicle steadily 30-55 MPH avoiding high engine loads for an additional 15 minutes.
  2. Avoiding excessive fuel movement, bring vehicle to a stop.
  3. Allow to idle for 2 minutes.
  4. Provided the vapor conditions are suitable, the test will complete.
  5. If the scan tool being used is able to read TIDs, check TID 06 in mode 6. If the test has not completed, this TID will display "0". Any other value indicates that the test has successfully completed.
  6. If the test has not completed, the drive cycle must be repeated.
  7. Check for DTCs. DTC P1111 will be flagged if all monitors have run.
  8. Leak check drive cycles will only normally be necessary if an Evaporative Emissions related DTC is flagged.
  9. Unless DTC P1111 is required for the State inspection, fuelling adaptations will normally be all that is required for the vehicle to adapt itself and complete diagnostic drive cycles in the course of normal use.
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