Yamaha YXR70FX, Руководство по обслуживанию

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ELEC
SIGNALING SYSTEM
EBS01078
2. The neutral, high-range, and/or low-range
indicator light fails to come on.
YES NO
YES
NO
YES
NO
1. Gear position switch
• Check the gear position switch for continu-
ity.
Refer to “CHECKING THE SWITCHES”.
• Is the gear position switch OK?
Replace the gear
position switch.
2. Wiring
• Check the wiring circuit from the gear posi-
tion switch to ECU and ECU to meter
assembly (yellow/blue).
• Is the wiring circuit properly connected and
without defects?
Properly connect or
repair the wiring cir-
cuit.
3. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler as shown.
Positive tester probe
→
brown/yellow
1
Negative tester probe
→
black/white
2
• Set the main switch to “ON”.
• Measure the voltage (12 V) of brown/yel-
low
1
and black/white
2
at the meter
assembly coupler.
• Is the voltage within specification?
Replace the meter
assembly or ECU. The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be
repaired.
Y / L Br / Y B / W
Y / L Br / Y B / W
O / B R / W
O / B R / W
2 1