6 - 21
FI
FUEL INJECTION SYSTEM
Fault code No.
39
Symptom Open circuit detected in a injector.
Diagnostic code No. d36
Injector
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Injector coupler
• Main wire harness-ECU coupler
• Main wire harness fuel pump
coupler
• Check the couplers for any pins
that may be pulled out.
• Check the locking condition of
the couplers.
• If there is a malfunction, repair it
and connect the coupler
securely.
Cranking the
engine. (Con-
nect the fuel
injector cou-
pler.)
2
Open or short circuit in the wire
harness.
• Repair or replace if there is an
open or short circuit.
• Between injector coupler and
ECU coupler.
(red/blue–red/blue)
(red–red)
3
Defective injector.
• Execute the diagnostic mode.
(Code No.d36)
• Replace if defective.
Refer to “CHECKING THE FUEL
INJECTOR”.
Содержание YXR70FX
Страница 1: ...SERVICE MANUAL 2008 LIT 11616 21 58 5B4 F8197 10 YXR70FX...
Страница 6: ......
Страница 46: ...2 11 SPEC ENGINE SPECIFICATIONS Cylinder head tightening sequence 6 8 5 7 2 1 4 3...
Страница 495: ......
Страница 496: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A...