- Honda Car Owner's Manual

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53
IDLESTOPMODE
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NoEnergyFlow(Vehiclestationary,coastingordecelerating)
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Topreventunnecessaryfuelconsumptionandexhaustemissions,theInsight'sgasolineengineisturned
offwhenthereisnoneedforpropulsionorairconditioning.Duringtypicaldeceleration,theregenerative
brakingandfuelcutmodebeginassoonasthedriverbeginstodecelerate.Whentheenginespeedslows
downtoabout1000rpm,regenerativebrakingwillstop,andthedriverwilltypicallyswitchintoneutral.At
thispoint,thefuelmaybeneedediftheIMAsystemdeterminesthatthereisaneedtokeeptheengine
running(idling).
Afterthevehiclespeeddropsbelow30km/h(19mph),idlestopmodewilltypicallybetriggered,and
thegasolineenginewillstopturning.Theenginewilltypicallyremainoffuntilthetransmissionisputinto
first to begin accelerating again. Restart isperformedinstantlyandvery quietlyandsmoothlyusingthe
IMAmotor.
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ConditionsforEngineShutdown
Whilereducingvehiclespeed,theenginestopsitselfautomaticallyundertheseconditions:
• Thevehiclespeedislessthan30km/handthethebrakepedalispressed,orvehiclespeedis
lessthan5km/h
• Thetransmissionisinanygear,except1st,beforeslowingdown
• Theclutchisdisengagedorneutralpositionisnowselected
• Theenginespeedislessthan1000rpm
IfthebrakepedalisreleasedwhiletheInsightisslowingdown,theenginestartsagaininstantly,unless
vehiclespeedisbelowacertainspeed.Eveninthiscase,theenginewillberestartedifagearisselectedor
thegaspedalistouched.
Idlestopwillnottakeplaceinanyofthefollowingconditions:
• Theenginehasnotyethadtimetowarmup
• Thetransmissionisinreversegear
• TheBatteryModuleisnotchargedsufficientlytorestarttheengineusingtheIMAMotor
• IftheIMA-ECUdetectsstop-and-gotrafficconditions(e.g.ifthetransmissionhasnotbeen
switchoutoffirstsincethecarwaslaststopped).
Also,climatecontrolmodewillaffectwhetherornotidlestopisperformed.InAutomode,theengine
willbeallowedtocontinuerunningtooperatetheairconditioningcompressor.InEconmode,idlestop