| | Results of the tests |
| 0 | PRELIMINARY CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition of the power supply system protective fuse See E3060 SUN ROOF | Continue to Step 1 | Fuse damaged | Replace the burnt fuses and
search for the cause of the problem See E3060 SUN ROOF |
| 1 | ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation |
|---|
| Check
the continuity and the insulation of the direct power supply and
the ignition-operated supply for the sun roof, checking that the
control unit is correctly supplied | Continue to Step 2 | Electrical conection broken
or not insulated. | Restore continuity/insulation of electrical connection See E3060 SUN ROOF |
| 2 | ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation |
|---|
| Check
the insulation/continuity of the electrical connection between the
sun roof opening/closing control switches and the sun roof control
unit See E3060 SUN ROOF | Continue to Step 3 | Electrical conection broken
or not insulated. | Restore continuity/insulation for the broken
electrical connection See E3060 SUN ROOF |
| 3 | SUN ROOF CONTROL UNIT CHECK | All OK | Problems met | Operation |
|---|
| Disconnect
the sun roof coupling and check that the sun roof control unit is
working properly | Continue to Step 4 | Sun roof control unit
malfunction. | Replace the sun roof control unit Op. 7030B70 |
| 4 | Continue as instructed by
the tester | All
OK | Problems
met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Replace the sun roof opening/closing
control switch Op. 7030B64 Search for the fault starting
from another symptom' |
