MV Agusta Rivale 800, Workshop Manual

Page: 220 / 456

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Electrical system
E
HORN
A fault in the horn system should be checked at various
points:
•
Check the condition of fuse 6 in the fuse box.
• If the fuse is in good condition, disconnect the con-
nector of the left control and check the continuity
between contact
3-4 of the control with the horn but-
ton pressed as in the following page under
“Switches”.
• Check the continuity of the winding of the horn.
ECU DISASSEMBLY
To carry out this operation it is necessary to disconnect
the battery cables. Take the ECU out of its housing and
remove the engine connector first (red, right side)
pressing the hook and turning the safety bracket.
Repeat this operation on the vehicle connector (blue,
left side).
To re-install it perform the disassembly steps in reverse
order.
ENGINE CONTROL UNIT REPLACEMENT/
PROGRAMMING
When replacing the engine control unit, after the
assembling of the new control unit it is necessary to
perform the engine mapping introduction procedure.
This operation must be performed by using the diag-
nosis software (see page D-14) and following the
instructions enclosed with the new control unit.