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+
ELEC
B/O
P
OFF THROTTLE STEERING SYSTEM
1
2
THROTTLE POSITION SENSOR
1. Measure:
• Throttle position sensor output voltage
Out of specification → Adjust the throttle
bodies synchronization.
Refer to "FUEL INJECTION SYSTEM"
in Chapter 4 in the base manual.
Digital multimeter:
YU-34899-A
Digital circuit tester:
90890-03174
Test harness (3 pins):
YB-06793
Test harness SMHW099-3
(3 pins):
90890-06793
Test connector:
YW-06862
Test connector FMY-8:
90890-06862
Throttle position sensor output
voltage:
Pink (P) – Black/Orange (B/O)
0.760 ± 0.016 V
Measurement steps:
• Connect the test harness (3 pins) to the
throttle position sensor 1.
• To start the ECM normally, use the
Yamaha Diagnostic System. Use the test
connector 2 to start the ECM normally
only if the Yamaha Diagnostic System is
not available.
• Measure the throttle position sensor out-
put voltage.
STEERING SWITCH
1. Check:
• Steering switch
For checking instructions, refer to
"SELF-DIAGNOSIS".
Malfunction → Use the "Engine monitor"
of the Yamaha Diagnostic System to
check that the steering switch switches
on and off when the handlebar is turned
to the right and to the left.
Does not operate → Replace.
43
E
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