Yamaha 2002 TDM900 Service Manual page 441

EAS00753
3. Starting circuit cut-off relay
S Disconnect the starting circuit cut-off relay
from the wire harness.
S Connect the pocket tester (Ω
starting circuit cut-off relay terminals as
shown.
S Check the starting circuit cut-off relay for
continuity.
Tester positive probe !
sky blue
Tester negative probe !
light green
Tester positive probe !
light green
Tester negative probe !
sky blue
NOTE:
When you switch the positive and negative
tester probes, the readings in the above
chart will be reversed.
S Are the tester readings correct?
YES
1) to the
1
Continuity
2
No
2
continuity
1
NO
Replace the starting
circuit cut-off relay.
8-41
SIGNALING SYSTEM
4. Voltage
S Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness side)
as shown.
Positive tester probe ! brown
Negative tester probe ! light green
S Set the main switch to "ON".
S Measure the voltage (DC 12 V).
S Is the voltage within specification?
YES
This circuit is OK.
EAS00802
5. The oil level warning light fails to come on.
1. Oil level warning light bulb and socket
S Check the oil level warning light bulb and
socket for continuity.
Refer to "CHECKING THE LEDs"
S Are the oil level warning light bulb and sock-
et OK?
YES
ELEC
1
2
NO
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be re-
paired.
NO
Replace the oil level
warning light bulb,
socket or both.