Yamaha MT-03 Service Manual

Also see for MT-03: Owner's manual Owner's manual Owner's manual

8-36IMMOBILIZER SYSTEMFault Part Symptom Cause Actioncode51 IMMOBILIZER Code cannot be 1. Radio wave 1. Keep magnets,UNIT transmitted between interference caused metal objects,the key and the by objects around the and otherimmobilizer unit. keys and antenna. immobilizer2. Immobilizer unit system keysmalfunction. away from the3. Key malfunction. keys andantennas.2. Replace themain switch/immobilizer unit.3. Replace the key.52 IMMOBILIZER Codes between the 1. Signal received from 1. Place theUNIT key and immobilizer other transponder immobilizer unitunit do not match. (failed to recognize at least 50 mmcode after ten away from theconsecutive attempts). transponder of2. Signal received from other vehicles.unregistered 2. Register thestandard key. standard key.53 IMMOBILIZER Codes cannot be Noise interference or 1. Check the wireUNIT transmitted between disconnected harness andthe ECU and the lead/cable. connector.immobilizer unit. 1. Interference due to 2. Replace theradio wave noise. main switch/2. Disconnected immobilizer unit.communication 3. Replace theharness. ECU.3. Immobilizer unitmalfunction.4. ECU malfunction.54 IMMOBILIZER Codes transmitted Noise interference or 1. Register theUNIT between the ECU disconnected code re-registeringand the immobilizer lead/cable. key.unit do not match. 1. Interference due to 2. Check the wireradio wave noise. harness and2. Disconnected connector.communication 3. Replace theharness. main switch/3. Immobilizer unit immobilizer unit.malfunction. 4. Replace the4. ECU failure. ECU.(The ECU orimmobilizer unit wasreplaced with a usedunit from anothervehicle.)EAS27720SELF-DIAGNOSIS FAULT CODE INDICATIONWhen a system malfunction occurs, the fault code number is signaled by the immobilizer system in-dicator light.