| | Results of the tests |
| 1 | CHECKING 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 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 See Test 5040CC Check fan motor speed selector operation | Continue to Step 6 | Malfunction in fan motor
speed selector | Change climate control node Op. 5040D18 |
| 4 | CHECKING LINKAGE | All OK | Problems met | Operation |
|---|
| Check
air duct opening motor linkage | Continue to Step 5 | Linkage not properly connected | Restore correct connection
of linkage to motor |
| Linkage not properly connected | Replace the linkage. |
| 5 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | Change the climate control
node Op. 5040D18 |
| 6 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Change fan motor Op. 5040A30Search
for the fault starting from another symptom' |
| 7 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | | Fault persists | Search for the fault starting from another symptom' |