Yamaha GRIZZLY 700 FI YFM7FGPW, Service Manual

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FI
FUEL INJECTION SYSTEM
Fault code No. 22 Symptom Intake air temperature sensor: open or short circuit
detected.
Diagnostic code No. D05 Intake air temperature sensor
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Installed condition of air tempera-
ture sensor. Check for looseness or pinching. Turning the
main switch to
“ON”.
2 Connections
• Intake air temperature sensor
coupler
• 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.
3 Open or short circuit in wire har-
ness. • Repair or replace if there is an
open or short circuit.
• Between intake air temperature
sensor coupler and ECU coupler
(brown/white–brown/white)
(black/blue–black/blue)
4 Defective air temperature sensor. • Execute the diagnostic mode.
(Code No.D05)
• Replace if defective.
Refer to “CHECKING THE
INTAKE AIR TEMPERATURE
SENSOR”.