Yamaha 2002 TDM900 Service Manual page 381

23
Fault code No.
Diagnostic monitoring
code No.
Order Item / components
1 Installed state of atmospheric pressure
sensor
2 Connected state of connector
Atmospheric pressure sensor
coupler
Main wiring harness ECU coupler
3 Open or short circuit in wiring harness
or sub lead.
4 Defective atmospheric pressure sensor.
24
Fault code No.
Diagnostic monitoring
code No.
Order Item / components
1 Installed state of O
2 Connected state of connector
O sensor coupler
2
Main wiring harness ECU coupler
Sub-wire harness coupler
3 Open or short circuit in wiring harness
or sub lead.
4 Check fuel pressure
5 Defective O sensor.
2
FUEL INJECTION SYSTEM
Symptom Open or short circuit detected from the atmospheric pressure sensor.
02 Atmospheric pressure sensor
Check or maintenance job
Check the installed area for looseness or
pinching.
Check the coupler for any pins that may have
pulled out.
Check the locking condition of the coupler.
If there is a malfunction, repair it and connect it
securely.
Repair or replace if there is an open or short
circuit.
Main wiring harness
Execute the diagnostic monitoring mode.
(Code No. 02)
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 8.
Symptom No normal signal is received from the O2 sensor.
Check or maintenance job
sensor Check the installed area for looseness or
2
pinching.
Check the coupler for any pins that may have
pulled out.
Check the locking condition of the coupler.
If there is a malfunction, repair it and connect it
securely.
Repair or replace if there is an open or short
circuit.
Main wiring harness
Refer to "CHECKING THE FUEL PUMP AND
PRESSURE REGULATOR OPERATION".
Replace if defective.
7-18
Blue - Blue
Black / Blue - Black / Blue
Pink - Pink
Black / Blue - White
Gray / Green - Blue
FI
Restore
method
Reinstated by
turning the
main switch
ON.
Restore
method
As the
returning
method, start method start
and warm up
the engine until
the coolant
temperature
rises over
60_C. Then,
maintain the i t i th
engine speed
at 2000 rpm to
3000 rpm until
the warning
light goes off.
When the
warning light
goes off, the
reset o eration reset operation
is finished.