Lexus HS 250h, Vehicle Dismantling Manual

Page 1: ...Gasoline Electric Hybrid Synergy Drive ANF10 Series...

Page 2: ...le HV battery pack is kept safe and secure in an accident The NiMH HV battery pack contains sealed batteries that are similar to rechargeable batteries used in some battery operated power tools and ot...

Page 3: ...8 Vehicle Operation 8 Hybrid Vehicle HV Battery Pack and Auxiliary Battery 9 HV Battery Pack 9 Components Powered by the HV Battery Pack 9 HV Battery Pack Recycling 10 Auxiliary Battery 10 High Voltag...

Page 4: ......

Page 5: ...ternal electric power source Depending on the driving conditions one or both sources are used to power the vehicle The following illustration demonstrates how the HS250h operates in various driving mo...

Page 6: ...provided to assist in identification The alphanumeric 17 character Vehicle Identification Number VIN is provided in the front windshield cowl driver door pillar and engine compartment Example VIN JTHB...

Page 7: ...HS250h Identification Continued Exterior n logo on the back door o logo on the rear door moldings Exterior Driver Side View Exterior Front and Rear View Exterior Rear and Driver Side View o n n o 3...

Page 8: ...meter READY light shift position indicators warning lights located in the dash behind the steering wheel Hint If the vehicle is shut off the instrument cluster gauges will be blacked out not illumina...

Page 9: ...ion Continued Engine Compartment q 2 4 liter aluminum alloy gasoline engine r LEXUS HYBRID DRIVE logo on the plastic engine cover s Orange colored high voltage power cables Engine Compartment View Pow...

Page 10: ...the electric motors The inverter converter also converts AC electricity from the electric generator and electric motors regenerative braking to DC that recharges the HV battery pack Gasoline r Engine...

Page 11: ...05 kW Permanent Magnet Motor Transmission Automatic Only electrically controlled continuously variable transaxle HV Battery 244 8 Volt Sealed NiMH Battery Curb Weight 3 770 lbs 1 710 kg Fuel Tank 14 5...

Page 12: ...e is on and operational even though the gasoline engine may be off and the engine compartment is silent Vehicle Operation With the HS250h the gasoline engine may stop and start at any time while the R...

Page 13: ...etal case The electrolyte used in the NiMH battery module is an alkaline mixture of potassium and sodium hydroxide The electrolyte is absorbed into the battery cell plates and will not normally leak e...

Page 14: ...iliary Battery The HS250h also contains a lead acid 12 Volt battery This 12 Volt auxiliary battery powers the vehicle electrical system similar to a conventional vehicle As with other conventional veh...

Page 15: ...y pack are controlled by 12 Volt normally open relays p When the vehicle is shut off the relays stop electricity flow from leaving the HV battery pack WARNING The high voltage system may remain powere...

Page 16: ...Service Plug Grip The high voltage circuit is cut by removing the service plug grip see page 15 High Voltage Safety System Vehicle Shut Off READY OFF High Voltage Safety System Vehicle On and Operatio...

Page 17: ...e high voltage power cable or high voltage component Necessary Items Protective clothing such as insulated gloves electrically insulated rubber gloves safety goggles and safety shoes Insulating tape s...

Page 18: ...stance is approximately in the middle of this scale Adding a weak acidic mixture such as a dilute boric acid solution or vinegar to the caustic alkaline electrolyte will cause the electrolyte to be ne...

Page 19: ...ng cutting or opening any orange high voltage power cable or any high voltage component 1 Shut off the ignition READY indicator is off Then disconnect the cable from the auxiliary battery negative ter...

Page 20: ...ecting or touching a bare high voltage terminal wear insulated gloves 7 Check the HV battery and nearby area for leakage If you find any liquid it may be strong alkaline electrolyte Wear rubber gloves...

Page 21: ...17...

Page 22: ...as a condenser that stores power Make sure that the tester reading is 0 V before touching any high voltage terminals which are not insulated The SRS may remain powered for up to 90 seconds after the v...

Page 23: ...e left Service Plug Grip Caution Wear insulated gloves for the following 3 steps 3 Raise the release handle of the service plug grip as shown in the illustration below 4 Remove the service plug grip 5...

Page 24: ...d gloves To prevent serious injury or death do not proceed with dismantling of the HV system until the voltage at the terminals in the inspection point is 0 V Standard voltage 0 V Hint Set the tester...

Page 25: ...he 3 caps of the rear seat shoulder belt guide 11 Remove the rear seatback assembly 1 Remove the 4 bolts 2 Disengage the 3 hooks and remove the rear seatback assembly 12 Remove the tool with stay box...

Page 26: ...mbly 1 Using a screwdriver disengage the claw and guide 2 Disconnect the connector and remove the No 1 luggage compartment light assembly 15 Remove the front luggage compartment trim cover 1 Remove th...

Page 27: ...im cover 1 Remove the 3 clips and inner luggage compartment trim cover 18 Remove the auxiliary battery 1 Loosen the nut and separate the positive battery terminal 2 Remove the nut and battery clamp 3...

Page 28: ...No 4 HV battery intake duct 3 Remove the clip and No 2 HV battery intake duct with the No 3 HV battery intake duct 4 Remove the bolt from the battery cooling blower assembly 5 Disconnect the connecto...

Page 29: ...striker counterclockwise to release the lock 2 Remove the 3 bolts 2 nuts and No 4 hybrid battery shield panel 22 Disconnect the frame wire Caution Wear insulated gloves Notice Insulate the terminals...

Page 30: ...duct 26 Remove the No 1 hybrid battery exhaust duct 1 Remove the 2 clips and No 1 hybrid battery exhaust duct 27 Remove the child restraint seat anchor bracket sub assembly LH 1 Remove the 2 bolts an...

Page 31: ...y Caution Wear insulated gloves Notice Insulate the terminals of the removed frame wire with insulating tape 1 Disconnect the frame wire clamp 2 Disconnect the battery room ventilation hose 3 Disconne...

Page 32: ...5 Remove the 4 bolts from the HV battery 6 Turn the luggage compartment floor mat over 7 Use a tire lever from the cabin side to lift the HV battery up over the tabs on the body 28...

Page 33: ...equivalent as shown in the illustration 9 Pull the HV battery together with the cardboard toward the rear of the vehicle 10 Disconnect the clamp as shown in the illustration 11 Using a suitable adapt...

Page 34: ...HV Battery Caution Label 1 For U S A 2 For CANADA 30...