Yamaha YZF-R1P Service Manual page 362

Fault code No. 30
Used diagnostic code No. 08 (lean angle cut-off switch)
Inspection operation item and probable cause Operation item and countermeasure
Defective lean angle cut-off switch
The motorcycle has overturned.
Installed condition of the lean angle cut-off
switch
Connected condition of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
FUEL INJECTION SYSTEM
Symptom The motorcycle has overturned.
Replace if defective.
1. Remove the emergency stop switch from
the motorcycle.
2. Connect the lean angle cut-off switch cou-
pler to the wire harness.
3. Connect the pocket tester (DC 20 V) to the
emergency stop switch coupler as shown.
Tester positive probe → blue 1
Tester negative probe → yellow/green 2
4. When turn the lean angle cut-off switch
approx. 65°, the voltage reading is 1.0 V to
4.0 V.
5. Is the emergency stop switch OK?
Raise the motorcycle upright.
Check the installed area for looseness or
pinching.
If there is a malfunction, repair it and connect it
securely.
Lean angle cut-off switch coupler
Main wiring harness ECU coupler
7 - 21
FI
Reinstatement
method
Reinstated by turn-
ing the main switch
ON (however, the
engine cannot be
restarted unless
the main switch is
first turned OFF).