Measurement of Charging Amount

WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.

Place refrigerant container (1) on scale (3) with tape (2) to prevent it from falling down.
After purging air in center charging hose (4), check and record the weight "a" of refrigerant container before charging.
CAUTION: Perform this measurement in the condition that the hose slack does not change.

Fig 1: Identifying Refrigerant Container And Center Charging Hose
Courtesy of SUZUKI OF AMERICA CORP.
Charge with specified amount of refrigerant by checking weight.
When refrigerant container is empty, replace it with new one. In this case, repeat Step 1) through 3) until total amount of refrigerant reaches to specified amount.
Specified amount of refrigerant

530 ± 30 g (18.7 ± 1.1 oz)

Fig 2: Checking Weight Of Refrigerant Container
Courtesy of SUZUKI OF AMERICA CORP.