| TEST RESULTS |
| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the defrosting of the rearscreen and the rear view mirrors is not working. | Move on to Step 1 | 1. Only the rearscreen is not working.2. Just the rear view mirrors are not working. | 1. Proceed as instructed in the See table J021 HEATED REAR WINDSCREEN NOT WORKING2. Proceed as instructed in the See table J022 DOOR MIRROR DEFROSTING NOT WORKING |
| 1 | DEFROSTING FUNCTION ON LED CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| When the button in the right control panel is pressed, check whether the LED in the actual button comes on to signal that the function is working. | Move on to Step 2 | Defrosting LED fails to come on. | Restore the connection between the right control panel and the services control unit See E3030 DEFROSTING REARSCREEN AND REAR VIEW MIRRORSMove on to Step 3 |
| 2 | DEFROSTING ELECTRICAL CIRCUIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the following, in order:- Heated rear windscreen fuse;- Heated rear windscreen relay;- Connection between heated rear windscreen relay and services 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 | ACTION |
|---|
| 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 unit |
