Yamaha YZF-R1P Service Manual

Contents

7 - 23FIFUEL INJECTION SYSTEMFault code No. 36 Symptom Malfunction detected in the primary lead of the ignition coil (#4).Used diagnostic code No. 33 (ignition coil #4)Inspection operation item and probable cause Operation item and countermeasure ReinstatementmethodDefective ignition coil (test the primary andsecondary coils for continuity).Replace if defective.Refer to “IGNITION SYSTEM” in chapter 8.Reinstated bystarting the engineand operating it atidle.In case of multiplecylinder open orshort circuit in lead,make sure to turnON and OFF themain switch aftereach time of crank-ing.Open or short circuit in lead wire. Repair or replace if there is an open or shortcircuit.Between ignition coil coupler (#4) and ECUcoupler/main harnessGray/Green - Gray/GreenRed/Black - Red/BlackConnected state of connectorInspect the coupler for any pins that mayhave pulled out.Check the locking condition of the coupler.If there is a malfunction, repair it and connect itsecurely.Ignition coil primary side coupler - Gray/GreenMain wiring harness ECU couplerFault code No. 41 Symptom Open or short circuit detected in the lean angle cut-off switch.Used diagnostic code No. 08 (lean angle cut-off switch)Inspection operation item and probable cause Operation item and countermeasure ReinstatementmethodDefective lean angle cut-off switch Replace if defective.Refer to Fault code No. 30.Reinstated by turn-ing the main switchON.Open or short circuit in wiring harness. Repair or replace if there is an open or shortcircuit.Between switch coupler and ECU couplerBlack/Blue - Black/BlueYellow/Green - Yellow/GreenBlue - BlueConnected condition of connectorInspect the coupler for any pins that mayhave pulled out.Check the locking condition of the coupler.If there is a malfunction, repair it and connect itsecurely.Lean angle cut-off switch couplerMain wiring harness ECU coupler