2016 – MX-5 – HVAC

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.

• If not as verified, inspect the refrigerant system according to the troubleshooting chart. (See FOREWORD [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)].) (See FOREWORD [CLIMATE CONTROL UNIT (MANUAL AIR CONDITIONER)].)

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