2753561 - E7045 ELECTRIC STEERING - DESCRIPTION

Functional description

The electric steering control unit M086 receives the direct battery supply at connector A pin A, from the line protected by fuse F05. From pin B of the same connector, it is connected directly to the battery earth A001 connector C.The supply controlled by the ignition is received at pin 1 connector B, from the line protected by fuse F24. The electric steering control unit M086, is connected to the body computer node M001 See E1050 CAN CONNECTION LINES from pins 5, 10 connector B, via the CAN network..

Functional description

The signals acquired by the electric steering guide M086 are:

• vehicle speed: the signal is supplied by the ABS control unit (seeSee E7020 ABS ) and is used by the control unit to stiffen or power assist the steering depending on the speed of the vehicle;

Functional description

The signals acquired by the electric steering guide M086 are:

• switching on the engine: the signal is supplied by the alternator ('D+' signal) to confirm that the engine has started See E5010  STARTING AND RECHARING;
• switching on 'City' function: the signal is sent by the specific switch housed in the controls panel H090;

The electric steering control unit M086 controls the switching on of the 'system fault' warning light, contained in the instrument panel E050, sending the command to the body computer node M001 via the B-CAN. The electric steering control unit is connected to the diagnostic socket R010 SeeE8010 DIAGNOSTIC MULTIPLE CONNECTOR from pin 4, connector B.

Earth C020 is located on the passenger compartment floor and located near the right front wheel arch (footwell).