Fuel Sender Coupler - Yamaha YZF-R1P Service Manual

2. Fuel sender
• Drain the fuel from the fuel tank and
remove the fuel pump from the fuel tank.
• Disconnect the fuel sender coupler from
the wire harness.
• Connect the pocket tester (Ω × 1) to the
fuel sender as shown.
Positive tester probe → green/white 1
Negative tester probe → black 2
• Check the fuel sender for continuity.
• Is the fuel sender OK?
YES
SIGNALING SYSTEM
NO
Replace the fuel
sender.
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3. Voltage
• Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness
side) as shown.
Positive tester probe → green/white 1
Negative tester probe → black/white 2
• Set the main switch to "ON".
• Measure the voltage (DC 12 V) of green/
white 1 and black/white 2 at the meter
assembly coupler.
• Is the voltage within specification?
YES
This circuit is OK.
EAS00806
7. The speedometer fails to come on.
1. Multi-function meter bulb socket
• Check the multi-function meter bulb socket
for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS"
• Is the multi-function meter bulb socket
OK?
YES
– +
ELEC
NO
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be
repaired.
NO
Replace the multi-
function meter.