Yamaha YFM700RV 2009 Service Manual page 391

4. Voltage
• Connect the pocket tester (DC 20 V) to the
indicator light assembly coupler (wire har-
ness side) as shown.
Positive tester probe → brown 1
Negative tester probe → light green 2
Br O/B G/Y
W/L G/L Sb
• Set the main switch to "ON".
• Shift the transmission into the neutral posi-
tion.
• Measure the voltage (DC 12 V) of brown
1 and light green 2 at the indicator light
assembly coupler (wire harness side).
• Is the voltage within specification?
YES
This circuit is OK.
1
G/Y O/B Br
Lg G/L W/L
2
NO
The wiring circuit
from the main switch
to the indicator light
assembly coupler is
faulty and must be
repaired.
SIGNALING SYSTEM
EBS01083
3. The reverse indicator light fails to come on.
1. Indicator light assembly
• Disconnect the indicator light assembly
coupler from the wire harness.
• Connect the battery (12V) to the indicator
light assembly coupler as shown.
• When the jumper leads are connected to
the terminals the reverse indicator light
should illuminate.
Positive battery terminal → brown 1
Negative battery terminal → green/blue 2
• Is the indicator light assembly OK?
2. Reverse switch
• Check the reverse switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the reverse switch OK?
8 - 37
ELEC
1
Br O/B G/Y
W/L G/L Sb
2
YES
Replace the indica-
tor light assembly.
YES
Replace the reverse
switch.
– +
NO
NO