Troubleshooting - Yamaha TDM900 R Supplementary Service Manual

EAS00757

TROUBLESHOOTING

The starter motor fails to turn.
Check:
1. main and ignition fuses
2. battery
3. starter motor
4. starting circuit cut-off relay
5. diode
6. starter relay
7. main switch
8. engine stop switch
9. neutral switch
10. sidestand switch
11. clutch switch
12. start switch
13. wiring connections
(of the entire starting system)
NOTE:
S Before troubleshooting, remove the following
part(s):
1. seat
2. fuel tank
3. air filter case
4. side cowlings
S Troubleshoot with the following special
tool(s).
Pocket tester
90890-03132
EAS00738
1. Main and ignition fuses
S Check the main and ignition fuses for conti-
nuity.
Refer to "CHECKING THE FUSES" in chap-
ter 3. (Manual No.: 5PS1-AE1)
S Are the main and ignition fuses OK?
YES
ELECTRIC STARTING SYSTEM
NO
Replace the fuse(s).
EAS00739
2. Battery
S Check the condition of the battery.
Refer to "CHECKING AND CHARGING
THE BATTERY" in chapter 3. (Manual No.:
5PS1-AE1)
Minimum open-circuit voltage
12.8 V or more at 20_C
S Is the battery OK?
YES
EAS00758
3. Starter motor
S Connect the positive battery terminal
starter motor lead
WARNING
S A wire that is used as a jumper lead
must have at least the same capacity or
more as that of the battery lead, other-
wise the jumper lead may burn.
S This check is likely to produce sparks,
therefore make sure nothing flammable
is in the vicinity.
S Does the starter motor turn?
YES
–6–
ELEC
NO
S Clean the battery
terminals.
S Recharge or re-
place the battery.
and
1
2 with a jumper lead
NO
Repair or replace the
starter motor.
3 .