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On-Vehicle Inspection

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK QUANTITY OF GAS DURING REFRIGERATION CYCLE 
  2. SET ON MANIFOLD GAUGE SET (See  MANIFOLD GAUGE SET   ) 
  3. RUN ENGINE 

    Run the engine at 1,500 RPM for at least 5 minutes.

    Then check that the high pressure reading is 1.37 - 1.57 MPa (14 - 16 kgf/cm2 , 199 - 228 psi).

  4. CHECK EXPANSION VALVE 

    If the expansion valve is faulty, the low pressure reading will drop to 0 kPa (0 kgf/cm2 , 0 psi).

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