Airtightness Check

Verify that the manifold gauge reading has not changed.

G11431978

Courtesy of MAZDA MOTORS CORP.

If the manifold gauge reading has changed, inspect the refrigerant system following the symptom troubleshooting procedure. (See FOREWORD [FULL-AUTO AIR CONDITIONER] .)
If the reading has not changed, perform a charging new refrigerant. (See AIRTIGHTNESS CHECK .)