Yamaha 2003 FJR1300, Service Manual

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ELEC
IMMOBILIZER SYSTEM
CHECKING THE IMMOBILIZER SYSTEM
1. Immobilizer system indicator light does not
go on when the main switch is set to “ON”.
YES
NO
YES
NO
YES
NO
1. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler as shown.
Tester positive probe
→
green/blue
1
Tester negative probe
→
black 2
2
• Set the main switch to “ON”.
• Measure the voltage (12 V) between
green/blue and black 2 on the meter
assembly coupler.
• Is the voltage within specification?
Replace the meter
assembly.
2. Voltage
• Connect the pocket tester (DC 20 V) to the
immobilizer unit coupler as shown.
Tester positive probe
→
red/green
1
Tester negative probe
→
black
2
2 1
R / G B2 Br / R
R / W G / W Y / L
G / L G / R
Lg Y L Ch
W
Dg
B
BB
Y / L G / L R / W
R / G R / G B2
R / W Lg Y / L
B
2 1
• Set the main switch to “ON”.
• Measure the voltage (12 V) between red/
green and black on the immobilizer unit
coupler.
• Is the voltage within specification?
The wiring circuit
from the battery to
the immobilizer unit
is faulty and must be
repaired.
3. Voltage
• Connect the pocket tester (DC 20 V) to the
immobilizer unit coupler as shown.
Tester positive probe
→
red/white
1
Tester negative probe
→
black
2
• Set the main switch to “ON”.
• Measure the voltage (12 V) between red/
white and black on the immobilizer unit
coupler.
• Is the voltage within specification?
The wiring circuit
from the main switch
to the immobilizer
unit is faulty and
must be repaired.
B
BB
Y / L G / L R / W
R / G R / G B2
R / W Lg Y / L
B
2
1