Linhai T-Boss 550 Service Manual page 252

CHAPTER 7 ELECTRICAL
T-Boss550 SERVICE MANUAL 20.0
Speed Sensor Test:
 Ground pin 1and connect pin 3 with +12V power;
 Fix a gear 2.5mm away from a speed sensor as the right figure illustrates;
 Turn multimeter to DCV range;
 Slowly turn the gear and measure the voltage between pin 2 and pin 3 to determine that if
the reading varies from 0V-12V;
 If the reading doesn't vary, that indicates the sensor is defective and needs to be replaced
CHAPTER 7 ELECTRICAL CTRICAL PAGE 7- 28