Yamaha 2002 TDM900 Service Manual page 379

20
Fault code No.
Diagnostic monitoring
code No. d N
Order Item / components
A-1 Connected state of connector
Intake air pressure sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
A-2 Open or short circuit in wiring harness
or sub lead.
A-3 Defective intake air pressure sensor
B-1 Defective atmospheric pressure sensor.
B-2 Defective intake air pressure sensor
FUEL INJECTION SYSTEM
A. Intake air pressure sensor-open or short circuit detected.
Symptom B. Defective values are detected due to the internal malfunction of the
intake air pressure sensor or the Atmospheric pressure sensor.
A 03 Intake air pressure sensor
B 02 Atmospheric pressure sensor
03 Intake air pressure sensor
Check or maintenance job
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
Black / Blue - Black / Blue
Pink / White - Pink . White
Blue - Blue
Sub lead
Black / Blue - Black / Blue
Pink / White - Pink / White
Blue - Blue
Execute the diagnostic monitoring mode.
(Code No. 03)
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 8.
Execute the diagnostic monitoring mode.
(Code No. 02)
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 8.
Execute the diagnostic monitoring mode.
(Code No. 03)
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 8.
7-16
FI
Restore
method
Reinstated by
cranking the
engine.
Reinstated by
turning the
main switch
ON.
Reinstated by
cranking the
engine.