2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 412Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 412

FUEL INJECTION SYSTEM Fault code No42 Symptom No normal signals are received from the speed sensorUsed diagnostic code No07
couplerBlue Blue White White BlackBlue BlackBlue A3 Defective speed sensor Execute the diagnostic mode (Code No.07)Replace
if defective1Measure the speed sensor output voltage2Connect the pocket tester (DC 20 V) to the speed sensor coupler terminal
as shownTester positive probe Tester negative probe pink blackwhite Reinstatement method Reinstated by starting the engine,
and inputting the vehicle speed signals by operating the snowmobile at low speed of 20 to 30 kmh 3Measure the speed sensor