549 / 745
FATC
40
15
Inspect drive belt
Is it okay?
Yes
Go to next step.
No
Adjust or replace drive belt, then go to
Step 19.
16
Inspect drive belt condition
Is drive belt worn?
Does it have foreign material imbedded in
it, or gave oil on it?
Yes
Remove obstruction, remove oil, or replace
drive belt, then go to Step 19.
No
Go to next step.
17
Inspect magnetic clutch.
Is it okay?
Yes
Replace A/C compressor, go to Step 19.
No
Replace A/C compressor, then go to Step
19.
18
Verify whether malfunction is in A/C com-
pressor or refrigerant lines
Is noise emitted from A/C compressor?
Yes
Visually inspect A/C compressor, replace
appropriate parts if necessary, then go to
next step.
No
If noise is due to refrigerant lines, repair
detached or missing clips, tighten loose
bolts, then go to next step.
19
Verify that malfunction symptom occurs
after repair
Has A/C compressor noise stopped?
Yes
Troubleshooting completed.
No
Explain repairs to customer. Recheck mal-
function symptoms, then repeat from Step
1 if malfunction recurs.