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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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REFRIGERANT PRESSURE CHECK

1. Install the manifold gauge set. (See MANIFOLD GAUGE SET CONNECTION.)
2. Start the engine and warm it up.
3. Prepare the vehicle as follows.

  • Airflow volume: MAX HI

  • A/C switch: ON

  • Air intake port: REC

  • Airflow temperature: MAX COLD

  • Airflow mode: VENT

  • Hood: Open

  • All the doors and the trunk: Close

  • All the windows: Close

  • Engine speed: 1,500 rpm

4. Verify the pressure indicated on the manifold gauge and ambient temperature.

NOTE:

  • Measure the refrigerant pressure after approx. 10 min have elapsed from engine start.

5. Verify that there are high/low pressure value readings within the shaded areas of the figure.

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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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