Yanmar 3TNV82A Troubleshooting Manual

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Yanmar 3TNV82A Troubleshooting Manual Manual pdf 9 page image

FAILURE DIAGNOSISTNV DI Service Manual 1-7DTCs (Diagnostic Trouble Codes) General DescriptionDescription ItemsDTC Detecting ConditionsMovement at Error occurrenceEstimation of Failure cause/Error conditionProvides descriptive information on possible points of failure, possible direct causes (such as a disconnected sensorwire), or possible system abnormalities that has indirectly caused the failure (such as abnormally high cooling watertemperature), as can be estimated from the output DTC.Note: Indicates failures that might be related with the output DTC.Diagnosis DescriptionDescribes methods or procedures of failure diagnosis.* After sucessful recovery by the replacement of ECU, sensor or actuator, make sure that installingthe previous parts will reproduce the same error.DTC Code Number DTC Name1 - Precondition; 2 - Detecting condition(s);3 - Flashing pattern of failure indicator Check points1. Precondition for Error detection2. Error detecting Condition3. Indicates the pattern in which the failure lamp flashes when theDTC is output. (For detailed information on various flashingpatterns, see Annex).This column shows what parts oritems should be checked to identifythe cause of the error.For details, see "Description>."Error Mode [Operation Continuation] / [Run Under Restrictions] / [Stop Immediately]:The engine operation after detecting the error is described.*[Operation Continuation]:After detecting the error, the system lets the enginecontinue to run without any restrictions.[Run Under Restrictions]:The system lets the engine continue to run but restricts theHigh idle speed, engine power, and/or other performancefactors as appropriate.[Stop Immediately]: The system stops the engine immediately after detecting theerror.When any error is detected before starting the engine, thestarter will not rotate.Run restricted? Yes/No.: If Yes, this field details how the engine run is restricted when the error hasoccurred.RecoveryConditionsYes/No.: If Yes, this field describes what conditions must be true for the error modeto be reset.Remarks This field describes some notes on safety precautions and so on, as appropriate.