Mazda CX-9 Grand Touring 2009 Manual page 1772

(See ENGINE TUNE-UP [MZI-
3.7] .)
6
Is it okay?
INSPECT REFRIGERANT AMOUNT
7
Inspect refrigerant amount.
Is it okay?
INSPECT REFRIGERANT LINES
Inspect refrigerant lines.
Is piping free of damage and
cracks?
Are piping connections free of
oil grime? (Visual inspection)
Are piping connections free of
gas leakage?
Are piping installation points
on condenser free of gas
leakage?
8
Are piping installation points
on receiver/drier free of gas
leakage?
Are piping installation points
on A/C compressor free of gas
leakage?
Are piping installation points
on A/C unit free of gas leakage
Perform gas leak inspection
using gas leak tester.
Are above items okay?
INSPECT EVAPORATOR PIPING
CONNECTIONS IN A/C UNIT FOR
GAS LEAKAGE
9
Are piping connections for
evaporator in A/C unit free of gas
leakage?
CHECK TO SEE WHETHER
MALFUNCTION IS IN
COMPRESSOR OIL OR
10
ELSEWHERE
Add 20 ml {20 cc, 0.8 fl oz} of
2008 Mazda CX-9 Grand Touring
2008 HVAC Symptom Troubleshooting (HVAC) - Mazda CX-9
No
Yes Go to Step 10.
No
Yes Go to the next step.
No
Yes
No
Yes Go to the next step.
No
Follow the repair instruction described in section
01, then go to Step 19.
Go to the next step.
If piping or A/C component(s) is damaged or
cracked, replace then go to Step 19.
If there is gas leakage, repair or replace
connection and replace condenser
Step 19.
Adjust refrigerant amount to specified level, then
go to Step 19.
If piping is damaged or cracked, replace then go
to Step 19. If there is gas leakage, repair or
replace connection and replace condenser
go to Step 19.
Troubleshooting completed.
(1)
, then go to
(1)
, then