Yamaha 2003 FJR1300 Service Manual page 151

4. Voltage
• Connect the pocket tester (DC 20 V) to the
immobilizer unit coupler as shown.
Tester positive probe → green/blue 1
Tester negative probe → black 2
2
B BB R/G
Y/L G/L R/W
1
• Set the main switch to "ON".
• Measure the voltage (12 V) between
green/blue and black on the immobilizer
unit coupler.
• Is the voltage within specification?
YES
The wiring circuit
from the immobilizer
unit to the meter
assembly is faulty
and must be
repaired.
IMMOBILIZER SYSTEM
R/G B2 B
R/W Lg Y/L
NO
Replace the immobi-
lizer unit.
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ELEC