Yamaha YZF-R1B 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

ELECTRICAL COMPONENTS8-138b. Measure the crankshaft position sensorresistance.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS28130CHECKING THE LEAN ANGLE SENSOR1. Remove:• Lean angle sensor(from the battery box 2)2. Check:• Lean angle sensor out put voltageOut of specification → Replace.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Connect the test harness-lean angle sen-sor (6P) “1” to the lean angle sensor andwire harness as shown.b. Connect the pocket tester (DC 20 V) to thetest harness-lean angle sensor (6P).c. Set the main switch to “ON”.d. Turn the lean angle sensor to 45°.e. Measure the lean angle sensor output volt-age.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS28940CHECKING THE STARTER MOTOR OPERA-TION1. Check:• Starter motor operationDoes not operate → Perform the electricstarting system troubleshooting, startingwith step 4.Refer to “TROUBLESHOOTING” on page8-11.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Connect the positive battery terminal “1”and starter motor lead “2” with a jumperlead “3”.WARNINGEWA13810• A wire that is used as a jumper lead musthave at least the same capacity of the bat-tery lead, otherwise the jumper lead mayburn.• This check is likely to produce sparks,therefore, make sure no flammable gas orfluid is in the vicinity.b. Check the starter motor operation.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲Lean angle sensor output volt-ageLess than 45°: 0.4–1.4 VMore than 45°: 3.7–4.4 VPocket tester90890-03112Analog pocket testerYU-03112-CTest harness-lean angle sensor(6P)90890-03209YU-03209• Positive tester probeYellow/Green (wire harness color)• Negative tester probeBlack/Blue (wire harness color)Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk