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LIGHTS/ METERS/
SWITCHES
TROUBLESHOOTING
20-4
SPEED SENSOR/SPEEDOMETER
The odometer/trip meter operates normally, but the speedometer does not operate
Faulty speedometer
The speedometer operates
normally,
but the
odometer/
trip meter does not operate
Faulty
odometer/trip meter
The speedometer operation is abnormal
1.
Fuse Inspection
Check
for
b lown main fuse o
r
sub
f
use.
Is the fuse blown?
YES
-
Replace the fuse
NO
- GO TO STEP
2.
2.
Battery Inspection
Ma
ke sure
the battery
is
fu lly charged
and in good
condition.
Is the battery in good condition?
YES
- Replace
the fuse
NO
-GO
TO STEP
3.
3.
Speed Sensor Power Input Voltage Inspection (Vehicle Speed
Sensor
Side)
Check
for
loose
or
poor contact
of
the
speed sensor
3P
(Natural) connector.
With the ig nition
switch
"ON"
and
measu
re
the
voltage at
the veh icle speed sensor
connector.
Is
there battery voltage?
NO
-
•
Loose
or poor contact of related
terminals
•
Open
circuit in Black/brown or
Green/
black wires between
the
battery and vehicle
speed
sensor
YES
-
GO TO STEP 4.
4.
Speed
Sensor
Power Input Voltage Inspection (Combination Meter Side)
Check for loose
or poor contact
of
the combination
meter
multi-connecto rs.
With the ignition switch
" ON",
measure the voltage
at
bottom
of
the speedometer
terminals.
Is there battery
voltage?
NO
-
•
Loose or poor contact
of
related
terminal
s
•
Open circuit
in Black/brown or
Green/black wires
between
the battery
and speed
sensor
YES
-
GO TO
STEP
5.
5.
Speed Sensor Signal Line Inspection
With the ignition
switch
"OFF",
check
for continuity of
the Pink/green wire
between the terminals of
the speed
sensor
and speedometer.
Is there
continuity?
NO
-
Open circuit
in
Pink/gree
n
wire
YES
-
GO TO
ST EP
6.
6. Speed Sensor
Signal
Inspection
Support
the motorcycle
using a hoist or other support
to
raise the rear wheel off
the
ground.
Measure the output voltage
(sensor
signal) at the speedometer with
the
ignition
switch
"ON"
while
slowly turning the rear wheel by your hand.
CONNECTION:
Pink
(+)
- Green
(·
)
STANDARD:
Repeat 0 to 5 V
Is
the voltage within sp ecified value?
NO
-
•
Faulty
speed sensor
•
Loose speed
sensor mounting bolts
YES
- Faulty speedometer
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Troubleshooting
