Yamaha YZF-R1(B) 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

FUEL INJECTION SYSTEM8-546 Throttle position sensor mal-functionCheck the throttle positionsensor signal 1 diagnosticmode (Code No. 01).When throttle is fully closed:A value of 12–21 is indicated.When throttle is fully opened:A value of 97–106 is indi-cated.Check the throttle positionsensor signal 2 diagnosticmode (Code No. 13).When throttle is fully closed:A value of 9–23 is indicated.When throttle is fully opened:A value of 94–108 is indi-cated.If the indication is outside ofrange: Replace the throttleposition sensor.Place the main switch to theON position, and check thefault code indication.No fault code indicated. →Recovered.Fault code indicated. →Check the next step.7 ECU malfunction Replace the ECU.Fault 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-dure