CHAPTER 8 ELECTRICAL ATV SERVICE MANUAL 09.0
CHAPTER 8 ELECTRICAL CTRICAL PAGE 8-
33
8.10 SPEEDMETER SYSTEM
OPERATION OF SPPED SENSOR
Speed Sensor is on the rear axle
Operation Instructions of Electric Dial Meter and Speed Sensor/ Operation Instructions of LCD Meter
and Speed Sensor
A. Hall Sensor is a new type sensor used to measure speed, angle, revolution and length, etc by
means of voltage pulse signals converted from sensing gear ratio of black metal gear or gear
rack.
B. Main Technical Parameter for sensor：
Item Code Vol value Unit
Operating voltage Vcc 5-20 V
Operating current Icc ≤15 mA
Low voltage output Vol ≤ 0.4 V
Hight voltage output Voh ≥ (Vcc-1) V
Operating distance D 1mm ≤ D ≤ 2.5mm mm
C. The following is the graphic illustration for sensor installation, Wire 1 (red) is positive and wire 2
(black) negative, Wire 3 (yellow) works as the one to output signals.
Note: Always screw in the sensor by hand when installation or adjustment.
1, Align one tooth of the splines to the centre of the hole of the sensor by turning the rear axle.
2. Screw the senor in (CW) by hand slightly until resistance is felt.
3. Turn the sensor CCW by 1 to 2 turn(s).
4. Tighten the jam nut.
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