| | Results of the tests |
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
an Examiner and check fan motor is working properly by means of
active diagnosis. | Continue to Step 2 | Fan motor malfunction: speed
is not as set via the selector. | Continue to Step 3 |
| 2 | CHECKING THE AIR DUCTS | All OK | Problems met | Operation |
|---|
| Check
that the air ducts and outlets are intact and there are no obstructions | Continue to Step 4 | Ducts or vents obstructed | Repair the ducts and vents,
removing any obstructions |
| 3 | CHECKING SPEED SELECTOR | All OK | Problems met | Operation |
|---|
| Check
correct operation of the fan motor speed selector | Continue to Step 5 | Fan motor speed selector
malfunction | Change the climate control system node |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present. | End of diagnosis | Fault persists | Change the climate control
system node |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Change the fan motor |