Yamaha XP500 Service Manual page 541

2. No malfunction code is displayed on the
LCD display of the meter assembly.
1. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler as shown.
LCD display
Positive tester probe →
red/white 1 or red/green 2
Negative tester probe → black/white 3
• Turn the main switch to "ON".
• Measure the voltage (DC 12 V) at the
meter assembly coupler (wire harness
side).
• Is the voltage within specification?
YES
Replace the meter
assembly.
IMMOBILIZER SYSTEM
NO
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be
repaired.
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