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Home >> Jaguar >> 2015 >> XFR-S >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Climate Control System - General Information -- XF/X250) >> Climate Control System - General Information >> Diagnosis And Testing >> Climate Control System >> Pinpoint Tests >> Pinpoint Test B: Low And High Pressure System Pressures Too Low Tests

Pinpoint Test B: Low And High Pressure System Pressures Too Low Tests

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  1. B1: LOW AND HIGH PRESSURE SYSTEM PRESSURES TOO LOW TEST 1 
    1. Stop the engine
    2. Using the manufacturer approved refrigerant leak detector, check for a refrigerant leak

      Was a refrigerant leak detected?

      • Yes  : Using the manufacturer approved equipment, recover the refrigerant. Repair the leak as necessary. Evacuate and recharge the air conditioning system with the correct quantity of refrigerant and oil
      • No: GO to   B2 . 
  2. B2: LOW AND HIGH PRESSURE SYSTEM PRESSURES TOO LOW TEST 2 
    1. Using the manufacturer approved equipment, recover the refrigerant
    2. Compare the weight of recovered refrigerant to that specified for the vehicle

      Was the weight of the recovered refrigerant less than specified for the air conditioning system?

      • Yes  : Using the manufacturer approved equipment, evacuate and recharge the air conditioning system with the correct quantity of refrigerant and oil
      • No  : Check the low pressure pipes for external damage and restrictions. Repair as necessary