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If the relay is in good condition but is not energised
aboard the vehicle, disconnect the connector on the
temperature sensor. Make a bridge between the two
contacts as shown in the figure.
With the key in the ON position, after just a few
seconds the fans should start rotating.
If this does not happen, check the continuity of the
system.
If this condition is also met, the problem lies with the
temperature sensor.
HORN
A fault in the horn system should be checked at various
points:
• Check the condition of fuse 1 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.
Electrical system
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3
4
E
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