Yamaha XV19SW Service Manual page 392

Fault code No. 25
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Cylinder-#2 intake air pressure sen-
sor coupler
• Main wire harness ECU coupler
• Sub-wire harness 3 coupler
2 Open or short circuit in wire harness
and/or sub lead.
3 Defective cylinder-#2 intake air pres-
sure sensor.
Symptom Cylinder-#2 intake air pressure sensor: open or short cir-
cuit detected.
04 Cylinder-#2 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 cylinder-#2 intake air
• Execute the diagnostic mode.
• Replace if defective.
7-48
FUEL INJECTION SYSTEM
that may be pulled out.
the coupler.
and connect the coupler se-
curely.
open or short circuit.
pressure sensor coupler and
ECU coupler
(black/blue–black/blue)
(pink/yellow–pink/yellow)
(blue–blue)
(Code No.04)
Refer to "CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SOR" on page 7-90.
Reinstatement
method
Turning the
main switch to
"ON".