| | 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 | ELECTRICAL CIRCUIT CHECK | 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 | ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation |
|---|
| Check
continuity/insulation of the electrical connection between fan motor
and climate control system node See E6020 AIR CONDITIONING | Continue to Step 4 | Electrical conection broken
or not insulated. | Restore electrical connection continuity/insulation.
See E6020 AIR CONDITIONING |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present. | End of diagnosis | Fault persists | Change fan motor |
| 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 climate control
system node |
