Yamaha YZF-R7 Owner's Service Manual

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Contents

8 - 32– +ELECELECTRICAL CONTROL SYSTEMCondition code listNOTE:* This condition code is also displayed in the following cases:- when the starter switch is held down for more than 4 seconds, causing the warninglight to flash- when the ignition circuit cut-off system stops the engine or prevents it from starting** This condition code is also displayed when the engine is operated at 5,000 r/min for atleast 30 seconds with the rear wheel at standstill.*** This condition code is also displayed when the engine stop switch is turned to “ ”while riding with the transmission in gear.Conditioncode Circuit Defect(s) System response11 Camshaft sensor • No incoming sig-nalThe ECU pairs the ignition of cyl-inders #1 and #4 and cylinders #2and #3. The motorcycle can beridden.12* Pickup coil • No incoming sig-nalThe motorcycle cannot be ridden.13 Intake air pressuresensor• Disconnected• Short-circuitThe ECU stays set to an intake airpressure of 760 mm Hg (29.9 in Hg).The motorcycle can be ridden.14 Intake air pressuresensor hose andnegative pressurehose• Improper connec-tion• Bending15 Throttle positionsensor• Disconnected• Short-circuitThe ECU stays set to a wide throt-tle opening.The motorcycle can be ridden.16 Throttle positionsensor• Locked21 Coolant tempera-ture sensor• Disconnected• Short-circuitThe ECU stays set to a coolanttemperature of 80˚C (176˚F).The motorcycle can be ridden.22 Intake air tempera-ture sensor• Disconnected• Short-circuitThe ECU stays set to an intake airtemperature of 40˚C (104˚F).The motorcycle can be ridden.23 Atmospheric pres-sure sensor• Disconnected• Short-circuitThe ECU stays set to an atmo-spheric pressure of 760 mm Hg(29.9 in Hg).The motorcycle can be ridden.41 Fall detectionswitch• Disconnected The main relay stays switched off.The motorcycle cannot be ridden.42** Speed sensor • Incorrect signal The ECU stays set to 6th gear.The motorcycle can be ridden.43*** Monitored voltage • Incorrect The ECU stays set to a monitoredvoltage of 12 V.The motorcycle can be ridden.44 ROM operation • CO emissionadjustment errorThe CO emission adjustment isset to 0.