| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Check that the defrosting of the rearscreen and the rear view mirrors is not working. | Move on to Step 1 | 1. Just the rearscreen is not working.2. Just the rear view mirrors are not working. | 1. Proceed as instructed See table J021 HEATED REAR WINDSCREEN NOT WORKING2. Proceed as instructed See table J022 DOOR MIRROR DEFROSTING NOT WORKING |
| 1 | DEFROSTING FUNCTION ON LED CHECK | All OK | Problems encountered | Operation |
|---|
| When the button in the dashboard auxiliary controls control panel is pressed, check if the LED in the button comes on to signal that the function has been activated. | Move on to Step 2 | 1. Auxiliary controls control panel earth not correct.2. Connection between control panel and Body Computer not correct. | 1. Restore the correct earth connection See E3030 DEFROSTING REARSCREEN AND REAR VIEW MIRRORS2. Restore the correct connection See E3030 DEFROSTING REARSCREEN AND REAR VIEW MIRRORS |
| 2 | DEFROSTING ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check the following, in order:- Heated rear windscreen fuse;
- Heated rear windscreen relay;
- Connection between heated rear windscreen relay and engine compartment control unit;
- Services control unit power supply
See E3030 DEFROSTING REARSCREEN AND REAR VIEW MIRRORS | Move on to Step 3 | 1. Connections not correct.2. Component defective. | 1. Restore the correct connections.2. Replace the component involved (in the case of a fuse, find out what caused it to blow). |
| 3 | SERVICES CONTROL UNIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the services control unit is working properly: in particular, the control function for the rear windscreen and rear view mirrors defrosting Op. 5505 INSTRUMENT/GAUGE ELECTRICAL CIRCUITS | End of diagnosis | Services control unit not working. | Replace the services control unitOp. 5505A13 |
