| | Results of the tests |
| 0 | PRELIMINARY CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition of the fan fan power supply fuses and relay. | Continue to Step 1 | Fuses blown | Change blown fuses |
| Relay damaged | Change damaged relay |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
an Examiner and check fan motor operation via active diagnosis. | Continue to Step 5 | Fan motor malfunction | Continue to Step 2 |
| 2 | CHECKING ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
|---|
| Check
fan motor power supply See E6020 AIR CONDITIONING | Continue to Step 3 | No power supply | Restore continuity/insulation
of the electrical connection between fan motor and fan control
unit See E6020 AIR CONDITIONING |
| 3 | CHECKING ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
|---|
| Check
continuity/insulation of the electrical connection between fan motor
and climate control system node [wiring diagram E6020]. | Continue to Step 4 | Electrical connection
interrupted or not insulated. | Restore continuity/insulation of the electrical
connection See E6020 AIR CONDITIONING |
| 4 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | Change fan motor Op. 5040C30 |
| 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
system node Op. 5040D18Search for the fault starting
from another symptom' |
