Yamaha FZ1-N Service Manual

Contents

ELECTRICAL COMPONENTS8-105a. Connect the pocket tester (Ω × 100) to thecrankshaft position sensor coupler asshown.b. Measure the crankshaft position sensorresistance.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS28130CHECKING THE LEAN ANGLE SENSOR1. Remove:• Lean angle sensor2. Check:• Lean angle sensor out put voltageOut of specification → Replace.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Connect the lean angle sensor coupler tothe wire harness.b. Connect the pocket tester (DC 20 V) to thelean angle sensor coupler as shown.c. When turn the lean angle sensor to 65°.d. Measure the lean angle sensor output volt-age.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲ET2D1034CHECKING THE STARTOR MOTOR OPERA-TION1. Check:• Starter motor operationDoes not operate → Perform the electricstarting system troubleshooting, startingwith step5.Refer to "TROUBLESHOOTING" on page8-9.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼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, otherwise the jumper lead may burn.• This check is likely to produce sparks,therefore, make sure no flammable gas orfluid is in the vicinity.b. Check the starter motor operation.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲2. Check:• Startor coil resistancePocket tester90890-03112Analog pocket testerYU-03112-C• Positive tester probeGray “1”• Negative tester probeBlack “2”Lean angle sensor output volt-ageLess than 65°: 0.4–1.4 VMore than 65°: 3.7–4.4 VPocket tester90890-03112Analog pocket testerYU-03112-C• Positive tester probeYellow/Green “1”• Negative tester probeBlack/Blue “2”