Yamaha XVS13AWC Service Manual page 374

Fault code No. 26
Diagnostic code No.
Order Item/components and probable
cause
1 Rear cylinder intake air pressure sen-
sor hose
2 Rear cylinder intake air pressure sen-
sor malfunction at intermediate elec-
trical potential.
3 Connections
• Rear cylinder intake air pressure
sensor coupler
• Wire harness ECU coupler
4 Defective rear cylinder intake air pres-
sure sensor.
Fault code No. 30
Diagnostic code No.
Order Item/components and probable
cause
1 The vehicle has overturned.
2 Installed condition of lean angle sen-
sor.
3 Connections
• Lean angle sensor coupler
• Wire harness ECU coupler
4 Defective lean angle sensor.
Symptom Rear cylinder intake air pressure sensor: hose system
malfunction (clogged or detached hose).
04 Rear cylinder intake air pressure sensor
Check or maintenance job
• Check the rear cylinder intake
• Repair or replace the sensor
• Check and repair the connec-
• Replace it if there is a malfunc-
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Execute the diagnostic mode.
• Replace if defective.
Symptom The vehicle has overturned.
08 Lean angle sensor
Check or maintenance job
Raise the vehicle upright.
Check for looseness or pinching.
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Execute the diagnostic mode.
• Replace if defective.
8-52
FUEL INJECTION SYSTEM
air pressure sensor hose condi-
tion.
hose.
tion.
tion.
that may be pulled out.
the coupler.
and connect the coupler se-
curely.
(Code No. 04)
Refer to "CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SORS" on page 8-89.
that may be pulled out.
the coupler.
and connect the coupler se-
curely.
(Code No. 08)
Refer to "CHECKING THE
LEAN ANGLE SENSOR" on
page 8-84.
Reinstatement
method
Starting the en-
gine and oper-
ating it at idle.
Reinstatement
method
Turning the
main switch to
"ON" (however,
the engine can-
not be restarted
unless the main
switch is first
turned "OFF").