Yamaha MT-01 Service Manual page 794

Manuals by Motomatrix / www.motomatrix.co.uk
Fault code No. 26
Diagnostic code No.
Order Item/components and probable
cause
1 Cylinder-#2 intake air pressure sensor
hose
2 Cylinder-#2 intake air pressure sensor
malfunction at intermediate electrical
potential.
3 Connections
• Cylinder-#2 intake air pressure sen-
sor coupler
• Main wire harness ECU coupler
4 Defective cylinder-#2 intake air pres-
sure sensor.
Email: info@motomatrix.co.uk
Symptom Cylinder-#2 intake air pressure sensor: hose system mal-
function (clogged or detached hose).
04 Cylinder-#2 intake air pressure sensor
FUEL INJECTION SYSTEM
Check or maintenance job
• Check the cylinder-#2 intake air
pressure sensor hose condition.
• Repair or replace the sensor
hose.
• Check and repair the connec-
tion.
• Replace it if there is a malfunc-
tion.
• 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 se-
curely.
• Execute the diagnostic mode.
(Code No.04)
• Replace if defective.
Refer to "CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SORS" on page 7-106.
7-48
Reinstatement
method
Starting the en-
gine and oper-
ating it at idle.