Yamaha R6 2009 Service Manual page 384

Fault code No. 39
Diagnostic code No.
Item/components and probable
Order
cause
1 Connections
• Primary 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 primary injector.
Symptom Open circuit detected in a primary injector.
36 Primary injector #1
37 Primary injector #2
38 Primary injector #3
39 Primary 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 primary injector cou-
• Execute the diagnostic mode.
• Replace if defective.
8-61
FUEL INJECTION SYSTEM
that may be pulled out.
the couplers.
it and connect the coupler
securely.
open or short circuit.
pler and ECU coupler.
(red/blue–red/blue)
#1: (red/black–red/black)
#2: (green/black–green/black)
#3: (blue/black–blue/black)
#4: (orange/black–orange/
black)
(Code Nos. 36, 37, 38, 39)
Refer to "CHECKING THE
PRIMARY INJECTORS" on
page 7-12.
Reinstatement
method
Cranking the
engine.
(Connect the
fuel injector
couplers.)