HEADLAMP WASHER OPERATIONAL DESCRIPTION

Operational Description

The headlamp washer function is switched on by activating the windscreen wipers with the dipped headlamps on.

Both controls are supplied by the steering wheel node control unit M093 ato the body computer node M001. The signal travels via the CAN which connects the two control units.

The steering wheel node control unit M093 receives a supply (pin 5 connector A) through the line protected by fuse F11, located in the body computer node M001; it receives a supply via the CAN (pin 6 connector A) from the line protected by fuse F16, located in the body computer node M001.

The body computer node M001 informst the engine compartment junction unit B001, via the CAN, of the request to activate the headlamp washers.

The headlamp washer electric pump motor N025 receives a supply at pin 2 from the line protected by fuse F07 located in the engine compartment junction unit B001.

In addition to being protected by a specific fuse, the power supply provided is operated by a special relay also housed in the engine compartment junction unit.