Yamaha XP500 Service Manual page 524

4. The V-belt replacement indicator fails to
come on.
1. V-belt replacement indicator bulb and
socket
• Check the V-belt replacement indicator
bulb and socket for continuity.
• Are the V-belt replacement indicator bulb
and socket OK?
YES
2. V-belt replacement indicator reset coupler
• Connect the pocket tester (Ω × 1) to the V-
belt replacement indicator reset coupler as
shown.
• Check the V-belt replacement indicator
reset coupler for continuity.
Positive tester probe → black 1
Negative tester probe → black 2
• Is the V-belt replacement indicator reset
coupler OK?
YES
NO
Replace the V-belt
replacement indica-
tor bulb, socket or
both.
NO
Replace the V-belt
replacement indica-
tor reset coupler.
SIGNALING SYSTEM
3. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness
side) as shown.
Positive tester probe → light green 1
Negative tester probe → ground
• Set the main switch to "ON".
• Measure the voltage (12 V) of light green
1 at the meter assembly coupler.
• Is the voltage within specification?
Replace the meter
assembly.
8 - 46
ELEC
YES
The wiring
from the
replacement
tor reset coupler to
the meter assembly
coupler (wire harness
side) is faulty and
must be repaired.
– +
NO
circuit
V-belt
indica-