Speedometer - APRILIA RSV mille Workshop Manual

ELECTRIC SYSTEM

6.10.5 SPEEDOMETER

N
Remove the right panel, see 7.1.3 (REMOVING THE
SIDE COVERS).
N
Make sure that the coupling of the speed sensor con-
nector (1) is correct.
N
Remove the front part of the fairing, see 7.1.22 (RE-
MOVING THE FRONT PART OF THE FAIRING).
N
Make sure that the coupling of the dashboard connec-
tor (2) is correct.
N
Check the distance between the speed sensor (3) and
the five screws (4) securing the rear brake disc.
Distance between sensor (3) and screws (4): 1.5 ± 1
mm.
N
Make sure all five screws are present (4).
With the engine off and the ignition switch set to "2 ", per-
form the following tests:
st
Test 1
N
Without disconnecting the electric connectors (1) (2)
and working on the speed sensor connector (1), use a
tester to measure the voltage between the green/violet
(V/Vi) and blue/orange (B/Ar) cables.
Correct value: > 9 V (c.c.).
nd
Test 2
N
Without disconnecting the electric connectors (1) (2)
and working on the speed sensor connector (1), use a
tester to measure the voltage between the grey/white
(Gr/Bi) and blue/orange (B/Ar) cables.
Correct value: > 6 V (c.c.).
rd
Test 3
N
Position the vehicle on the appropriate rear support
stand, see 1.8.2 (POSITIONING THE VEHICLE ON
THE REAR SUPPORT STAND m).
N
Position the gear lever in neutral.
nd
N
Perform test 2 .
N
Spin the rear wheel by hand until one of the five screws
(4) is in line with the sensor (3). The tester should read
zero V for approx. two seconds before returning to > 6
V.
st
– If test 1 gives an incorrect result, disconnect the
speed sensor (3) and repeat test 1
persists, the dashboard is faulty and must be replaced
with one in perfect condition.
st
– If test 1 gives a correct result and test 2
rect value, the speed sensor (3) is faulty and must be
replaced.
st nd
– If both tests 1 and 2
rd
3 an incorrect value, the speed sensor (3) is faulty
and must be replaced.
– If all three tests give a correct result and no speed
comes up on the left-hand display, the dashboard is
faulty and must be replaced with one in perfect condi-
tion.
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st
; If the wrong value
nd
an incor-
give a correct result and test
RSV mille
Release 00/2002-10