Yamaha YZF-R1B 2012 Service Manual page 545

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Result
Neutral position
Continuity
Positive tester probe
Sky blue "1"
Negative tester probe
Sensor terminal "a"
1st position
Continuity
Positive tester probe
White "2"
Negative tester probe
Sensor terminal "b"
2nd position
Continuity
Positive tester probe
Pink "3"
Negative tester probe
Sensor terminal "c"
3rd position
Continuity
Positive tester probe
Yellow/White "4"
Negative tester probe
Sensor terminal "d"
4th position
Continuity
Positive tester probe
White/Red "5"
Negative tester probe
Sensor terminal "e"
5th position
Continuity
Positive tester probe
Orange "6"
Negative tester probe
Sensor terminal "f"
6th position
Continuity
Positive tester probe
Gray "7"
Negative tester probe
Sensor terminal "g"
email: info@motomatrix.co.uk
ELECTRICAL COMPONENTS
EAS14B1101
CHECKING THE FUEL INJECTORS
1. Remove:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Air filter upper cover (for secondary injec-
tor)
Refer to "AIR FILTER CASE" on page 7-
5.
2. Check:
• Fuel injector resistance
Out of specification → Replace the fuel
injector.
Fuel injector resistance
(Primary
injector)
12.0 Ω at 20 °C (68 °F)
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a. Disconnect the fuel injector lead coupler
from wire harness.
b. Connect the pocket tester (Ω × 1) to the
fuel injector coupler.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Injector terminal "1"
• Negative tester probe
Injector terminal "2"
c. Measure the fuel injector resistance.
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8-148
injector/Secondary