Check the following, in order:

- Engine compartment junction unit fuse;

- Power supply for the switches

See E3050 ELECTRIC FRONT WINDOWS

Check that the services discharge relay is receiving the correct power supply from the battery.

With the ignition ON, connect to the power supply for the relay from the Body Computer and check, when the electric windows are operated, that the supply is sent to the relay.

Also check that the electrical connections between the Body Computer, battery and relay are not faulty

See E3050 ELECTRIC FRONT WINDOWS

Do not disconnect the relay

1. No power supply from the battery

2. Enablement for power supply not provided by the Body Computer

3. Connections faulty

1. Restore the correct power supply to the relay. If necessary, replace the faulty components (if a fuse is involved, first search for what has caused it to blow)

2. Replace Body Computer

Op. 5505A32 BODY COMPUTER - R.R

3. Restore the correct connections

See E3050 ELECTRIC FRONT WINDOWS

With the ignition ON, connect to the relay output and check, when the electric windows are operated, that the power supply is sent to the electric windows circuit.

Also check that the connections between the services relay and the Driver''s/Passenger Door couplings are not faulty

See E3050 ELECTRIC FRONT WINDOWS

1. The power supply is not sent to the circuit

2. Connections faulty

1. Replace the services relay

2. Restore the correct connections

See E3050 ELECTRIC FRONT WINDOWS

The problem is due to the simultaneous presence of problems in the two front electric window circuits.

Continue following the instructions for both electric windows, bearing in mind that the problems could be different for the two electric windows

See table M003 ONE OF THE ELECTRIC FRONT WINDOWS IS NOT WORKING