Yamaha R6 2009 Service Manual page 385

Fault code No. 40
Diagnostic code No.
Item/components and probable
Order
cause
1 Connections
• Secondary injector coupler
• Main wire harness ECU coupler
• Sub-wire harness 2 coupler
2 Open or short circuit in wire harness
and/or sub-wire harness 2.
3 Defective secondary injector.
Symptom Open circuit detected in a secondary injector.
40 Secondary injector #1
41 Secondary injector #2
42 Secondary injector #3
43 Secondary injector #4
Check or maintenance job
• Check the couplers for any pins
• Check the locking condition of
• If there is a malfunction, repair
• Repair or replace if there is an
• Between secondary injector
• Execute the diagnostic mode.
• Replace if defective.
8-62
FUEL INJECTION SYSTEM
that may be pulled out.
the couplers.
it and connect the coupler
securely.
open or short circuit.
coupler and ECU coupler.
(red/blue–red/blue)
#1: (white/blue–white/blue)
#2: (sky blue/white–sky blue/
white)
#3: (brown/yellow–brown/yel-
low)
#4: (brown/black–brown/black)
(Code Nos. 40, 41, 42, 43)
Refer to "CHECKING THE
SECONDARY INJECTORS" on
page 7-6.
Reinstatement
method
Execute the
diagnostic
mode (Code
No. 63).
(Set the engine
stop switch to
" ".)