Yamaha YZF-R1S, Service Manual

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FUEL INJECTION SYSTEM
FI
Tester positive prove
!
blue
Tester negative prove
!
yellow / green
1
2
Fault code No. 30 Symptom The motorcycle has overturned.
Used diagnostic code No. 08 (lean angle cut-off switch)
Order Inspection operation item and probable
cause Operation item and countermeasure Reinstatement
method
1 The motorcycle has overturned. Raise the motorcycle upright. Reinstated by
2 Installed condition of the lean angle
cut-off switch Check the installed area for looseness or
pinching.
turning the
main switch
ON
3 Connected condition of connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
If there is a malfunction, repair it and connect it
securely.
Lean angle cut-off switch coupler
Main wiring harness ECU coupler
ON
(however, the
engine cannot
be restarted
unless the
main switch is
4 Defective lean angle cut-off switch Execute the diagnostic mode (Code No.08).
Replace if defective.
1. Remove the lean angle cut-off switch from the
motorcycle.
2. Connect the lean angle cut-off switch coupler
to the wireharness.
3. Connect the pocket tester (DC 20 V) to the
emergency stop switch coupler as shown.
4. When turn the lean angle cut-off switch
approx. 65
_
, the voltage reading is 0.4 V to 4.4
V.
5. Is the emergency stop switch OK?
main switch is
first turned
OFF).