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Home >> Jaguar >> 2010 >> XJ Base >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Evaporative Emissions - V8 5.0L Petrol/V8 S/C 5.0L Petrol -- XJ/X351 >> Evaporative Emissions - V8 5.0L Petrol/V8 S/C 5.0L Petrol >> Diagnosis And Testing >> EVAPORATIVE EMISSIONS - V8 5.0L Petrol/V8 S/C 5.0L Petrol (G1707365) >> Special Tools >> Proving Routine

Proving Routine

Perform the following steps to test the combustible gas detector:

  1. Rotate the sensitivity control fully counter-clockwise
  2. Set the combustible gas detector power switch to 'ON'
  3. Check the battery warning indicator - The batteries must be recharged if the warning indicator is not  illuminated
  4. Allow the combustible gas detector to warm up (approximately 30 seconds)
  5. Slowly rotate the sensitivity control fully clockwise - Check that the ticking rate increases and ultimately becomes a siren
  6. When testing is complete, set the combustible gas detector power switch to 'OFF'
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