| | 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 | CHECK ON CORRECT OPERATION | 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 |
