Yamaha Grizzly550 User Manual page 380

Fault code No. 13
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Intake air pressure sensor coupler
• Main wire harness-ECU coupler
2 Open or short circuit in wire harness.
3 Defective intake air pressure sensor.
Symptom Intake air pressure sensor: open or short circuit detected.
d03 Intake air pressure sensor
Check or maintenance job
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between intake air pressure
• Execute the diagnostic mode.
• Replace if defective.
9-43
FUEL INJECTION SYSTEM
that may have pulled out.
the coupler.
and connect the coupler se-
curely.
open or short circuit.
sensor coupler and ECU cou-
pler
(black/blue–black/blue)
(pink–pink)
(blue–blue)
(Code No. d03)
Refer to "CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SOR" on page 9-96.
Reinstatement
method
Setting the
main switch to
"ON".