Yamaha TMAX 2020 Service Manual

9-42SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLEEAS33028SELF-DIAGNOSTIC FUNCTION TABLE (FOR FUEL INJECTION SYSTEM)TIPFor details of the DTC, refer to “BASIC PROCESS FOR TROUBLESHOOTING” on page 9-16.DTC Item Probable cause ofmalfunction Vehicle symptom Fail-safe systemoperation30_EVENTLatch up detected. • The vehicle hasoverturned.• Installed conditionof lean angle sen-sor.• Defective lean an-gle sensor.• Malfunction inECU.– –70_EVENTEngine forciblystops when the ve-hicle is left idling fora long period.• Allow to idle for along period of time.• Malfunction inECU.– –P0030 O 2 sensor heater:defective heatercontroller detected.• Open or short cir-cuit in wire har-ness.• Disconnected cou-pler.• Defective O 2 sen-sor heater control-ler (Malfunction inECU).• Broken or discon-nected lead in O2sensor heater.(When the O2 sen-sor does not oper-ate because theexhaust tempera-ture is low)Increased exhaustemissions.Fuel learning cannotbe carried out.Display only (If theO 2 sensor does notoperate, O 2 feed-back is not carriedout.)Cruise control sys-tem cannot be oper-ated.P00D1 O 2 sensor: heaterperformance deteri-oration• Improperly in-stalled O 2 sensor.• Defective couplerbetween O 2 sen-sor and ECU.• Open or short cir-cuit in wire har-ness between O 2sensor and ECU.• Incorrect fuel pres-sure.• Defective O 2 sen-sor.• Malfunction inECU.Increased exhaustemissions.O 2 feedback is notcarried out.O 2 learning is notcarried out.Cruise control sys-tem cannot be oper-ated.