Speedometer - APRILIA SL Mille Workshop Manual

SL mille
6.10.5 SPEEDOMETER
• Remove the rear fairing, see 7.1.33 (REMOVING THE
REAR FAIRING).
• Make sure that the coupling of the speed sensor con-
nector (1) is correct.
• Remove the front part ofthe fairing, see 7.1.19 (RE-
MOVING THE FRONT PART OF THE FAIRING).
• Make sure that the coupling of the dashboard connec-
tor (2) is correct.
• 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.
• Make sure all five screws are present (4).
With the engine off and the ignition switch set to "0", per-
form the following tests:
Test 1
st
• Without disconnecting 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.),
Test 2
nd
• Without disconnecting the speed sensor connector (1),
use a tester to measure the voltage between the grey/
white (Gr/Bi) and blue/orange (BI Ar) cables.
Correct value: > 6 V (c.c.),
Test 3
rd
• Position the vehicle on the special rear support stand
mil.
• Position the
ge~r
lever in neutral.
• Perform test 2
n
.
• Spin the rear wheel by hand until one of the five screws
(4) is in linewith the sensor (3). The tester should read
zero Vfor approx. two seconds before returning to > 6
V.
- If test 1
st
gives an incorrect result, disconnect the sen-
sor (3) and repeat test 1
S\
If the wrong value persists,
the dashboard is faulty and must be replaced with one
in perfect condition.
- If test 1
st
gives a correct result and test 2
nd
an incorrect
value, the sensor (3) is faulty and must be replaced.
- If c?0th tests 1
st
and 2
nd
give a correct result and test
s' .
an incorrect value, the 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.
ELECTRIC SYSTEM
Release 00/2001-05 - - - - - - - - - - - - -
11-
35-00