Idle Learn Procedures for ETC (Throttle-By-Wire)-Equipped Vehicles Are Being Discussed

question 49

Multiple Choice

Idle learn procedures for ETC (throttle-by-wire) -equipped vehicles are being discussed. Technician A says the learn or relearn procedure should be completed anytime the PCM has been replaced or updated, or after the throttle body has been cleaned or replaced. Technician B says the system does not need to relearn if the battery has been disconnected. The system will automatically go through the procedure when the engine is restarted.Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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