Trouble Diagnosis For Abnormal Pressure

Trouble Diagnosis for Abnormal Pressure

NOTE: Normal pressure values on high side and low side in following table are measured when the ambient temperature is 30 °C. As normal pressure values on high side and low side vary depending on the ambient temperature, be sure to perform following steps first when diagnosing troubles.

1. Measure the ambient temperature and using that value, read the normal value from the graph given in Step 10 of A/C System Performance Inspection:Manual Type. A/C System Performance Inspection
2. Put that value in place of the normal pressure in following table.