Malibu Boats Response Owner's Manual

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Malibu Boats Response Owner's Manual Manual pdf 47 page image

2-17Throttle ControlThe throttle lever is located to the right of the driver.When the throttle is vertical, it is in the “NEUTRAL”position. At the base of the throttle you will find the shiftlock. Pulling outward on this button disengages thetransmission, thereby allowing use of the throttle withoutengaging the transmission. This is needed for starting orwarm-up of the engine. Be sure to position the throttlevertically (in “NEUTRAL”), before re-engaging thetransmission, by depressing the button.When engaging the transmission from “NEUTRAL” toeither forward or reverse, you must pull up on the safetycollar located directly below the throttle lever knob.Before starting engine or engagingtransmission, ensure all swimmersare out of the water.Electronic Throttle Control-ETCAll 2006-2008 Malibu Boats are equipped with electronicthrottle control AKA “Fly-By-Wire”. The throttle cable hasbeen removed and several components on the engine and helmthrottle control have been changed. The helm throttle control “E-MV3” is now dual, variablevoltage potentiometer that sends electronic signals back to the engine ECM via a shieldedwire harness with the highest quality GM/Delphi water-tight connectors that mates to theengine ECM. The ECM then uses the signals from the E-MV3 to precisely control the enginespeed with an electronic throttle body.All 2008 Malibu Boats with Indmar Engines are fitted with GM/Delphi MEFI-5A EngineControl Module that offers fully sequential fuel injection and high speed CANcommunication link which supports both OBD-M (On Board Diagnostics-Marine) advancedengine diagnostics and onboard system networking, plus the latest developments inelectronic throttle control technology.ETC failure: If for any reason, any part of the electronic throttle control system fails;(unplugged, wire cut, short, loss of power, sensor failure) the engine controller will default to“Idle”. You will have “no” control of the throttle, the “Engine Fault” alarm will also beactivated. If this ever happens; turn the key OFF and then restart. This will reset thecomputer area network. If this condition continues, take the boat to the dealer.8.1 Engines: Boats equipped with the 8.1 L engine, when reducing speed from above 2500RPM to coast to a stop, you will want to leave the boat in gear until the RPM drops below2500 RPM. If you pull the throttle into neutral, you may experience RPM flair. This iscaused by reducing the load on the engine at high RPM.Figure 2-12. Throttles