Yamaha YXR70FX, Руководство по обслуживанию

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FI
FUEL INJECTION SYSTEM
Fault code No. 13 Symptom Intake air pressure sensor: open or short circuit detected.
Diagnostic code No. d03 Intake air pressure sensor
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Intake air pressure sensor cou-
pler
• Main wire harness-ECU coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
Turning the
main switch to
“ON”.
2 Open or short circuit in wire har-
ness. • Repair or replace if there is an
open or short circuit.
• Between intake air pressure sen-
sor coupler and ECU coupler
(black/blue–black/blue)
(pink–pink)
(blue–blue)
3 Defective intake air pressure sen-
sor. • Execute the diagnostic mode.
(Code No.d03)
• Replace if defective.
Refer to “CHECKING THE
INTAKE AIR PRESSURE SEN-
SOR”.