Yamaha YZF-R1B 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

FUEL INJECTION SYSTEM8-535 Supply voltage of throttleposition sensor leadCheck the supply voltage.Throttle position sensor sig-nal 1Black/Blue–WhiteThrottle position sensor sig-nal 2Black/Blue–BlackRefer to “CHECKING THETHROTTLE POSITION SEN-SOR” on page 8-143.Place the main switch to theON position, and check thefault code indication.No fault code indicated. →Recovered.Fault code indicated. →Check the next step.Line discon-nection pointsOutput volt-ageDisconnec-tion of groundlead5 VDisconnec-tion of outputline0 VDisconnec-tion of powersupply line0 VFault code No. 15Symptom Open or short circuit of throttle position sensor leadFail-safe action Engine startup: Possible under certain conditionsRiding: Possible under certain conditionsDiagnostic monitor-ing code No.D:01D:13D:01Meter displayThrottle position sensor signal 1• 12–21 (fully closed position)• 97–106 (fully opened position)• 85–94 (fully opened position) for FRA/BEL (1KB9/1KBK)Checkingmethod• Check with throttle valve fully closed.• Check with throttle valve fully opened.D:13Meter displayThrottle position sensor signal 2• 9–23 (fully closed position)• 94–108 (fully opened position)• 82–96 (fully opened position) for FRA/BEL (1KB9/1KBK)Checkingmethod• Check with throttle valve fully closed.• Check with throttle valve fully opened.Item/components andprobable cause Check or maintenance job Sensor inspection proce-dureManuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk