TIAGO

945 / 1002

HVAC
35
Step Inspection Action
7
Inspect refrigerant amount
Inspect refrigerant amount.
See refrigerant system ser-
vice procedures, refrigerant
charge check
Is it okay?
Yes Go to Step 10.
No Go to next step.
8
Inspect refrigerant line In-
spect 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 condense free
of gas leakage?
 Are piping installation
points on receiver/drier
free of gas leakage?
 Are piping installation
pints on A/C Compressor
free of gas leakage?
 Are piping installation
points on cooling unit free
of gas leakage.
 Perform gas leak inspec-
tion using gas leak tester.
Are above items okay?
Yes Go to next step.
No
If piping or A/C component (s) is damaged or
cracked, replace then go to Step there is gas
leakage, repair or replace connection and replace
condenser, then go Step 19.
9
Inspect evaporator piping
connections in cooling unit
for gas leakage
Are piping connections for
evaporator in cooling unit
free of gas leakage?
Yes
Adjust refrigerant amount to specified level, then
go to Step 19.
No
If piping damaged or cracked, replace then go to
Step 19.
If there is gas leakage, repair or replace connec-
tion and replace condenser then go to Step 19.
10
Verify whether malfunction is
in compressor oil or else-
where
Add 30 ml of compressor oil.
Is noise heard when racing
engine?
Yes Go to next step.
No
Troubleshooting completed.
Explain repair to customer.