Troubleshooting Details - Yamaha 2002 TDM900 Service Manual

TROUBLESHOOTING DETAILS

This section dscribes the measures per fault code number displayd on the meter. Carry out check and
maintenance on items or components that could be a cause of malfunction in accordance with the or-
der.
When the check and maintenance of malfunctioned part is completed, restore the meter display ac-
cording to the "Restore method".
Fault code No.:
Fault code number displayd on the meter when the engine failed to work normally. (Refer to "DIAG-
NOSTIC MONITORING MODE".)
Diagnostic monitoring code No.:
Code number to be used when the diagnostic monitoring mode is operated. (Refer to "DIAGNOS-
TIC MONITORING MODE".)
11
Fault code No.
Diagnostic monitoring
code No.
Order Item / components
A-1 Installed state of cylinder identification
sensor
A-2 Connected state of connector
Cylinder identification sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
A-3 Open or short circuit in wiring harness
or sub lead.
A-4 Defective cylinder identification sensor
B-1 Connected state of connector
Alarm short circuit coupler
B-2 Defective starter relay or starter motor
FUEL INJECTION SYSTEM
A. No normal signals are received from the cylinder identification sesnsor.
symptom
B. Malfunction of electric starting system
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.
Between main wiring harness and sub lead
Blue - Yellow
White / Black - White
Black / Blue - Black / Blue
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 8.
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.
Replace if defective
Refer to "ELECTRIC STARTING SYSTEM" in
chapter 8.
7-11
FI
Restore
method
Reinstated by
starting the
engine and
operating it at
idle.