Yamaha YZF-R6(V) 2006 Service Manual page 379

Fault code No. 23
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Atmospheric pressure sensor cou-
pler
• Main wire harness ECU coupler
2 Open or short circuit in wire harness
and/or sub-wire-harness 2.
3 Defective atmospheric pressure sen-
sor.
Symptom Atmospheric pressure sensor: open or short circuit de-
tected.
02 Atmospheric pressure sensor
FUEL INJECTION SYSTEM
Check or maintenance job
• 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 se-
curely.
• Repair or replace if there is an
open or short circuit.
• Between atmospheric pressure
sensor coupler and ECU cou-
pler.
(black/blue–black/blue)
(pink–pink)
(blue–blue)
• Execute the diagnostic mode.
(Code No. 02)
• Replace if defective.
Refer to "CHECKING THE AT-
MOSPHERIC PRESSURE
SENSOR" on page 8-109.
8-56
Reinstatement
method
Reinstated au-
tomatically if a
normal signal is
received.