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Lexus LS 600hl Hybrid 2008, Emergency Response Manual

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Lexus LS 600hl Hybrid 2008 Emergency Response Manual Download Page 9

 

Lexus Hybrid Drive Component Locations & 
Descriptions 

Lexus Hybrid Drive Component Locations & 
Descriptions 

 
 

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6

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Component 

Location 

Description 

12 Volt   
Auxiliary 
Battery   

Trunk Driver Side A lead-acid battery that supplies power to 

the low voltage devices.   

Hybrid   
Vehicle (HV) 
Battery Pack   

Trunk Area, 
Mounted behind 
Rear Seat   

288 Volt Nickel Metal Hydride (NiMH) 
battery pack consisting of 20 low voltage 
(14.4 Volt) modules connected in series.   

Power   
Cables   

Undercarriage 
and Engine 
Compartment   

Orange colored power cables carry high 
voltage Direct Current (DC) between the 
HV battery pack, power control unit, and 
A/C compressor.  These cables also carry 3-
phase Alternating Current (AC) between the 
power control unit, electric motor, and 
generator.   

Inverter/ 
Converter     

Engine 
Compartment   

Boosts and inverts the high voltage 
electricity from the HV battery pack to 3-
phase AC electricity that drives the electric 
motor.  The power control unit also 
converts AC electricity from the electric 
generator and electric motor (regenerative 
braking) to DC that recharges the HV 
battery pack.   

Gasoline   
Engine   

Engine 
Compartment   

Provides two functions:   
1) Powers vehicle.   
2) Powers generator to recharge the HV 
battery pack.   
The engine is started and stopped under 
control of the vehicle computer.   

Electric   
Generator   

Transmission   

3-phase high voltage AC generator that is 
contained in the transmission and recharges 
the HV battery pack.   

Electric   
Motor   

Transmission   

3-phase high voltage AC permanent magnet 
electric motor contained in the transmission 
and drives the four wheels through the 
transfer case and propeller shafts.   

 

2008/09 Lexus Hybrid Drive Components 

 

2008/09 Components (Top View) and High Voltage Power Cables

2010 Lexus Hybrid Drive Components 

 

 

 

 

 

Summary of Contents for LS 600hl Hybrid 2008

Page 1: ...odel Revised Includes 2010 Model Updates 2009 Toyota Motor Corporation All rights reserved This document may not be altered without the written permission of Toyota Motor Corporation 10 LS 600h L ERG REV A 09 24 09 ...

Page 2: ...nverter in the power control unit that boosts to 650 Volts the available voltage to the electric motor A high voltage Hybrid Vehicle HV battery pack rated at 288 Volts A high voltage motor driven Air Conditioning A C compressor rated at 288 Volts An Electric Power Steering EPS assist motor rated at 46 Volts Active stabilizer suspension system motors rated at 46 Volts A body electrical system rated...

Page 3: ...ush Button Start 9 Lexus Hybrid Drive Operation 11 Hybrid Vehicle HV Battery Pack 12 46 Volt System 13 Low Voltage Battery 14 High Voltage Safety 15 SRS Airbags Seat Belt Pretensioners 16 Emergency Response 18 Extrication 18 Fire 25 Overhaul 26 Recovering Recycling of NiMH HV Battery Pack 26 Spills 27 First Aid 27 Submersion 28 Roadside Assistance 29 ...

Page 4: ...arged from an external electric power source Depending on the driving conditions one or both sources are used to power the vehicle The following illustration demonstrates how the LS 600h L operates in various driving modes During light acceleration at low speeds the vehicle is powered by the electric motor The gasoline engine is shut off During normal driving the vehicle is powered mainly by the g...

Page 5: ...o assist in identification 2 The alphanumeric 17 character Vehicle Identification Number VIN is provided in the front windshield cowl driver side door pillar and engine compartment Driver Side Windshield Engine Compartment Cowl Base of Driver Side Door Pillar Example VINs JTHDU46F840020208 2008 2009 Models JTHDU1EF840020208 4 seat models 2010 Model JTHDU5EF840020208 5 seat models 2010 Model An LS ...

Page 6: ...filler door located on the driver side rear quarter panel 2008 09 Models Exterior Driver Side View 2008 09 Models Exterior Front View 2008 09 Models Exterior Rear View 2008 09 Models Exterior Rear and Driver Side View 2010 Model Exterior Driver Side View 2010 Model Exterior Front View 2010 Model Exterior Rear View 2010 Model Exterior Rear and Driver Side View ...

Page 7: ...g lights located in the dash behind the steering wheel is different than the one on the conventional non hybrid LS 460 L The hybrid system indicator power meter is located next to the tachometer on 2008 09 models and next to the speedometer on the 2010 model NOTE If the vehicle is shut off the instrument cluster gauges will be blacked out not illuminated 2010 Model 2008 09 Models ...

Page 8: ...Identification Continued LS 600h L Identification Continued Engine Compartment Engine Compartment 5 0 liter aluminum alloy gasoline engine Logo on Cover Logo on the plastic engine cover 5 Engine Compartment View ...

Page 9: ...mpartment Boosts and inverts the high voltage electricity from the HV battery pack to 3 phase AC electricity that drives the electric motor The power control unit also converts AC electricity from the electric generator and electric motor regenerative braking to DC that recharges the HV battery pack Gasoline Engine Engine Compartment Provides two functions 1 Powers vehicle 2 Powers generator to re...

Page 10: ...pack to 12 Volts for low voltage vehicle power DC DC Converter for EPS and Active Stabilizer Suspension System On HV Battery Pack Converts 288 Volts from the HV battery pack to 46 Volts for EPS and active stabilizer suspension system power Dull yellow colored sheathing identifies 46 Volt wires that are routed under the vehicle body to power the EPS and the active stabilizer suspension system Fuel ...

Page 11: ...ransmission Automatic Only electrically controlled continuously variable transmission HV Battery 288 Volt Sealed NiMH Battery Curb Weight 5 049 lbs 2 290 kg 2008 09 5 360 lbs 2 420 kg 2010 Fuel Tank 22 1 gals 84 liters Fuel Economy Ratings 20 22 City Hwy miles gal 11 3 8 0 City Hwy liters 100 km Frame Material Steel Unibody Body Material Steel Panels except for Aluminum Hood Steel Unibody Aluminum...

Page 12: ... the same functions as the smart key fob except push buttons Door Lock Unlock Three methods are available to lock unlock the doors 1 Pushing wireless smart key lock unlock buttons 2 Touching the sensor on the backside of any exterior door handle with the smart key in close proximity to the vehicle unlocks the doors Pushing the lock button on any exterior door handle locks the doors 3 Removing the ...

Page 13: ... the READY light is illuminated in the instrument cluster If the internal smart key battery is dead use the following method to start the vehicle 1 Touch the Lexus emblem side of the smart key to the power button a buzzer will sound 2 Within 10 seconds after the buzzer sounds push the power button with the brake pedal depressed the READY light will illuminate Once the vehicle has started and is on...

Page 14: ...ngine may stop and start at any time while the READY indicator is on Never assume that the vehicle is shut off just because the engine is off Always look for the READY indicator status The vehicle is shut off when the READY indicator is off The vehicle may be powered by 1 The electric motor only 2 The gasoline engine only 3 A combination of both the electric motor and the gasoline engine The vehic...

Page 15: ...as been changed HV Battery Pack Battery pack voltage 288 V Number of NiMH battery modules in the pack 20 NiMH battery module voltage 14 4 V NiMH battery module dimensions 1 x 21 x 3 3 in 18 x 542 x 86 mm NiMH module weight 4 8lbs 2 2kg NiMH battery pack dimensions 2008 09 Models 20 x 33x 10 in 515 x 842 x 257 mm NiMH battery pack dimensions 2010 Model 17 x 33x 17 3 in 432 x 842 x 439 mm NiMH batte...

Page 16: ...oltage battery power The wires are routed underneath the vehicle from the HV battery pack DC DC converter If the HV battery pack malfunctions backup power is provided to the EPS motor by boosting the 12 Volt electrical system 46 Volt Electric Power Steering System Optional 46 Volt Active Stabilizer Suspension System Electric Power Steering ECU Assist Motor NOTE 46 Volts has a higher arc potential ...

Page 17: ...ative terminal of the auxiliary battery is grounded to the metal chassis of the vehicle The auxiliary battery is located in the trunk It is concealed by a fabric cover on the driver side in the rear quarter panel well 12 Volt Auxiliary Battery Fabric Cover 12 Volt Auxiliary Battery Mounted in Trunk Driver Side NOTE An underhood label shows the location of the HV battery traction battery and 12 Vol...

Page 18: ...ed to the HV battery pack are controlled by 12 Volt normally open relays When the vehicle is shut off the relays stop electrical flow from leaving the HV battery pack Both positive and negative power cables are insulated from the metal body High voltage electricity flows through these cables and not through the metal vehicle body The metal vehicle body is safe to touch because it is insulated from...

Page 19: ... passenger side lower portion of the dash Pyrotechnic front seat active headrests 2010 model only see description on page 23 Optional Equipment Rear seat side airbags mounted in the rear seats are optional equipment The optional passenger side rear ottoman power seat contains an airbag mounted in the bottom seat cushion The optional pre collision safety system contains a radar sensory system occup...

Page 20: ...bits deployment during an SRS event the passenger SRS will not re arm nor deploy SRS System Diagram Frontal Knee Front Seatback Mounted Side Side Curtain Optional Rear Seat Side and Seat Cushion Airbags Driver Knee Airbag and Inflator Passenger Side Rear Seat Cushion Airbag Standard with Optional Ottoman Seat Optional Ottoman with Seat Cushion Airbag Side Airbag Sensor Front Seat Active Headrest K...

Page 21: ...ponse procedures are performed may result in serious injury or death from the unintentional deployment of the SRS or severe burns and electric shock from the high voltage electrical system Extrication Immobilize Vehicle Chock wheels and set the parking brake Move the shift lever to the Park position NOTE The LS 600h L utilizes a push pull parking brake switch that electro mechanically sets release...

Page 22: ...nstrument cluster lights and the READY indicator are not illuminated Do not push the power button because the vehicle may start 4 If the smart key is easily accessible keep it at least 16 feet 5 meters away from the vehicle 5 If the smart key cannot be found disconnect the 12 Volt auxiliary battery in the trunk to prevent accidental restarting of the vehicle Shut Off Vehicle READY Off Electric Tru...

Page 23: ...tion on page 30 Once the 12 Volt auxiliary battery is disconnected power controls will not operate WARNING The high voltage system may remain powered for up to 10 minutes after the vehicle is shut off or disabled To prevent serious injury or death from severe burns or electric shock avoid touching cutting or breaching any orange high voltage power cable or high voltage component The SRS may remain...

Page 24: ...inated side windows having similar properties as laminated windshield glass If side glass removal is required use the same techniques as the front windshield glass Types of glazing found on the LS 600h L Laminated front windshield Laminated side windows Tempered rear window SRS Awareness Responders need to be cautious when working in close proximity to undeployed airbags and seat belt pretensioner...

Page 25: ...strated on this page additional component details on page 16 Dash Displacement The LS 600h L is equipped with side curtain airbags When undeployed total roof removal is not recommended to avoid breaching the side curtain airbags inflators and wiring harness As an alternative dash displacement may be performed by using a Modified Dash Roll Side Side Curtain Knee and Cushion Airbag Identifiers Roof ...

Page 26: ...liary battery Active Headrest 2010 model only The 2010 LS 600h L is equipped with front seat active headrests for the driver and passenger The active headrest consists of a pyrotechnic inflator contained in the seat back rod and link mechanism Link When the collision sensor in the SRS computer detects a rear collision of sufficient force the inflator is ignited pushing up the piston The rod inside...

Page 27: ...seat position With Optional Ottoman Seat Before adjusting the position of a rear seat select either the left or right hand seat using the selection switch NOTE In the event that a rear door is opened the optional rear seat ottoman may automatically fold closed To prevent the rear seat from retracting disconnect the 12 Volt auxiliary battery before opening the rear doors The LS 600h L has an electr...

Page 28: ... applying water through the available vent openings safely Therefore it is recommended that the incident commander allow the LS 600h L HV battery pack to burn itself out Defensive Fire Attack If the decision has been made to fight the fire using a defensive attack the fire attack crew should pull back a safe distance and allow the NiMH battery modules to burn themselves out During this defensive o...

Page 29: ...uel pump Procedure 1 1 Confirm the status of the READY indicator in the instrument cluster 2 If the READY indicator is illuminated the vehicle is on and operational Shut off the vehicle by pushing the power button once 3 The vehicle is already shut off if the instrument cluster lights and the READY indicator are not illuminated Do not push the power button because the vehicle may start 4 If the sm...

Page 30: ...C at 666 or 613 996 6666 collect Handle NiMH electrolyte spills using the following Personal Protective Equipment PPE Splash shield or safety goggles Fold down helmet shields are not acceptable for acid or electrolyte spills Rubber latex or nitrile gloves Apron suitable for alkaline Rubber boots Neutralize NiMH Electrolyte Use a boric acid solution or vinegar Boric acid solution 800 grams boric ac...

Page 31: ...ders can access the patient and perform normal extrication procedures High voltage orange color coded power cables and high voltage components should never be touched cut or breached Vehicle Recovery If a hybrid vehicle is fully or partially submerged in water emergency responders may not be able to determine if the vehicle has been automatically disabled The LS 600h L may be handled by following ...

Page 32: ...hifted out of Park into Neutral by turning the ignition on depressing the brake then moving the gated shift lever to N If the shift lever cannot be moved out of Park a shift lock release button is provided under the cover near the shift lever as shown in the illustration If a tow truck is not available in an emergency the vehicle may be temporarily towed using a cable or chain secured to the emerg...

Page 33: ...surized fuel vapors to escape and fuel may also be discharged from the filler inlet For these reasons be extremely careful and open the fuel cap slowly Spare Tire The jack tools and spare tire are provided in the trunk as illustrated Electric Parking Brake The LS 600h L is equipped with an electric parking brake set release switch In the event of a 12 Volt power loss the parking brake cannot be el...

Page 34: ...mart key in proximity to the interior of the vehicle depress the brake pedal and push the power button NOTE If the vehicle does not recognize the smart key after connecting the booster battery to the vehicle open and close the driver door when the vehicle is shut off If the smart key internal battery is dead touch the Lexus emblem side of the smart key to the power button during the start sequence...

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