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Summary of Contents for Lexus KMA10 Series
- Page 1 UX300e KMA10 Series...
- Page 2 Foreword This guide was developed to educate and assist dismantlers in the safe handling of Lexus UX300e electric vehicles. UX300e dismantling procedures are similar to other non-electric Lexus vehicles with the exception of the high voltage electrical system. It is important to recognize and understand the high voltage electrical system features and specifications of the Lexus UX300e electric vehicle, as they may not be familiar to dismantlers.
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Page 3: Table Of Contents
Table of Contents About the UX300e ............................1 UX300e Identification ..........................2 Exterior ................................. 3 Interior ................................4 Motor Compartment ............................5 Electric Vehicle Component Locations & Descriptions ................6 Specifications ..............................7 Electric Vehicle Operation ......................... 8 Vehicle Operation ............................8 Traction Battery Assembly and Auxiliary Battery .................. -
Page 5: About The Ux300E
About the UX300e The UX300e 5-door hatchback joins the electric vehicle model for Lexus. Electric Vehicle means that the vehicle contains only an electric motor and does not have a gasoline engine for power. Electricity is stored in a high voltage traction battery assembly for the electric motor. -
Page 6: Ux300E Identification
UX300e Identification In appearance, the 2020 model year UX300e is nearly identical to the conventional, non-electric Lexus UX. The UX300e is a 5-door hatchback. Exterior, interior, and motor compartment illustrations are provided to assist in identification. The alphanumeric 15 character Vehicle Identification Number (VIN) is provided on the left side windshield cowl, floor under the right side front seat and right side B pillar. -
Page 7: Exterior
Exterior logos on the each rear door. logo on the back door. Charge inlet door located on each rear quarter panel. Exterior Front and Left Side View Exterior Rear and Right Side View... -
Page 8: Interior
Interior The instrument cluster (power meter, READY indicator, plug-in indicator and warning lights) located in the dash behind the steering wheel, is different than the one on the conventional, non-electric UX. NOTICE: If the vehicle is shut off, the instrument cluster gauges will be “blacked out”, not illuminated. -
Page 9: Motor Compartment
Motor Compartment Orange colored high voltage power cables. Power Cables... -
Page 10: Electric Vehicle Component Locations & Descriptions
Electric Vehicle Component Locations & Descriptions Component* Location Description 12 Volt Auxiliary Driver Side of A lead-acid battery that supplies power to the low voltage Battery Motor devices. Compartment Traction Battery Undercarriage Supplies electrical power to inverter with converter Assembly ... -
Page 11: Specifications
Specifications Electric Motors: 201 hp (150 kW), AC Permanent Magnet Motor Transmission: Automatic Only Traction Battery Assembly: 355.2 Volt Sealed Li-ion Battery Curb Weight: 3,935-3,968 lbs/1,785-1,800 kg Frame Material: Steel Unibody Body Material: Steel Panels Seating Capacity: 5 passenger ... -
Page 12: Electric Vehicle Operation
Electric Vehicle Operation Once the READY indicator is illuminated in the instrument cluster, the vehicle may be driven. However, as there is no gasoline engine, no sound will be produced from the vehicle. It is important to recognize and understand the READY indicator provided in the instrument cluster. -
Page 13: Traction Battery Assembly And Auxiliary Battery
Traction Battery Assembly and Auxiliary Battery The UX300e features a high voltage traction battery assembly that contains sealed Lithium-ion (Li-ion) battery cells. Traction Battery Assembly • The traction battery assembly is enclosed in a case and is rigidly mounted under the floor. The case is isolated from high voltage. -
Page 14: Traction Battery Assembly Recovery
Traction Battery Assembly Recovery • Contact either your Lexus Distributor or the nearest Lexus dealer. Auxiliary Battery • The UX300e contains a sealed lead-acid 12 Volts battery. This 12 Volts auxiliary battery powers the vehicle electrical system similar to a conventional vehicle. As with other conventional vehicles, the negative terminal of the auxiliary battery is grounded to the metal chassis of the vehicle. -
Page 15: High Voltage Safety
High Voltage Safety The traction battery assembly powers the high voltage electrical system with DC electricity. Positive and negative orange colored high voltage power cables are routed from the traction battery assembly, under the vehicle floor pan, to the drive unit (inverter and motor) and DC/DC converter. -
Page 16: Service Plug Grip
Service Plug Grip • The high voltage circuit is cut by removing the service plug grip (see page 15). Volt DC Volt DC Charger Assembly Volt DC ➌ Electric Vehicle Computer ➊ Compressor with Motor Assembly Inverter with ➊ Converter ➋... -
Page 17: Precaution To Be Observed When Dismantling The Vehicle
Precaution to be observed when dismantling the vehicle • To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system. Before using insulated gloves, be sure to check them for cracks, tears and other types of damage. •... -
Page 18: Spills
Spills The UX300e contains some of the same common automotive fluids used in other non-electric Lexus vehicles, with the exception of the Li-ion electrolyte used in the traction battery assembly. The electrolyte used in the Li-ion battery cells is a flammable organic electrolyte. The electrolyte is absorbed into the battery cell separators, even if the battery cells are crushed or cracked, it is unlikely that liquid electrolyte will leak. -
Page 19: Dismantling The Vehicle
Dismantling the vehicle The following 5 pages contain general instructions for use when working on a UX300e. Read these instructions before proceeding to the traction battery assembly removal instructions on page WARNING: ・ The high voltage system may remain powered for up to 10 minutes after the vehicle is shut off or disabled. - Page 20 Remove No. 2 traction battery cover. Remove the 4 bolts and No. 2 traction battery cover. Remove service plug grip. CAUTION: ・Wear insulated gloves. ・Do not inspect or service the high voltage system with the service plug grip installed. ・To reduce the risk of electric shock, make sure to remove the service plug grip to cut off the high voltage circuit before servicing the vehicle.
- Page 21 ・To reduce the risk of electric shock, make sure to wait at least 10 minutes after removing the service plug grip to fully discharge the high voltage capacitor inside the inverter with converter assembly. ・Keep the removed service plug grip in your pocket to prevent other technicians from accidentally installing it while you are servicing the vehicle.
- Page 22 Instead, wash the eye(s) with a dilute boric acid solution or a large amount of water and seek medical care. With the exception of the traction battery assembly, remove parts by following procedures which are similar to conventional Lexus vehicles. For the removal of the traction battery assembly, refer to the following pages.
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Page 24: Removal Of Traction Battery Assembly
Removal of Traction Battery Assembly WARNING: ・ Be sure to wear insulated gloves when handling high-voltage parts. ・ Even if the vehicle is shut off and the relays are off, be sure to remove the service plug grip before performing any further work. - Page 25 (2) Operate the compressor under the conditions shown below: Item Condition Operating time 3 minutes or more Max cool Temperature setting Blower speed High Power Switch On (READY) A/C switch This causes most of the compressor oil from the various components of the A/C system to collect in the compressor.
- Page 26 REMOVE BATTERY SERVICE HOLE COVER Disengage the 4 clips and remove the battery service hole cover. REMOVE BATTERY SERVICE HOLE COVER SUB-ASSEMBLY (1) Remove the 4 bolts and battery service hole cover sub-assembly. REMOVE NO. 2 TRACTION BATTERY COVER Remove the 4 bolts and No. 2 traction battery cover.
- Page 27 REMOVE SERVICE PLUG GRIP CAUTION: ・Wear insulated gloves. ・Do not inspect or service the high voltage system with the service plug grip installed. ・To reduce the risk of electric shock, make sure to remove the service plug grip to cut off the high voltage circuit before servicing the vehicle.
- Page 28 While wearing insulated gloves, rotate the handle of the service plug grip and remove the service plug grip as indicated by the arrows, in the order shown in the illustration. REMOVE INVERTER TERMINAL COVER CAUTION: Wear insulated gloves. Remove the 2 bolts.
- Page 29 REMOVE BATTERY COVER LOCK STRIKER Using the service plug grip, remove the 2 battery cover lock strikers. Service Plug Grip Battery Cover Lock Striker Projection Counterclockwise REMOVE FRONT UNDER COVER Remove the 3 bolts, 4 nuts and front under cover. REMOVE FRONT UNDER COVER RH Remove the 3 bolts, 6 clips and front under cover REMOVE FRONT UNDER COVER LH...
- Page 30 REMOVE FRONT UNDER COVER CENTER Remove the 13 clips and front under cover center. REMOVE REAR UNDER COVER RH Remove the 6 clips and rear under cover RH. REMOVE REAR UNDER COVER LH Remove the 6 clips and rear under cover LH. REAR UNDER COVER CENTER Remove the nut, 10 clips and rear under cover center.
- Page 31 SEPARATE NO. 1 DISCHARGE HOSE SUB-ASSEMBLY Remove the bolt and No. 1 discharge hose sub- assembly. SEPARATE NO. 2 DISCHARGE HOSE SUB-ASSEMBLY Remove the bolt and No. 2 discharge hose sub- assembly. SEPARATE WIRE HARNESS CAUTION: Make sure to wear insulating gloves. NOTICE: Insulate the disconnected terminals and connector with insulating tape.
- Page 32 Disengage the claw and lift up the lever to disengage the lock, to disconnect the connector. SEPARATE EV FLOOR UNDER WIRE CAUTION: Make sure to wear insulating gloves. NOTICE: Insulate the disconnected terminals and connector with insulating tape. Remove the 3 bolts and EV floor under wire cover. Remove the 2 bolts and separate EV floor under wire.
- Page 33 Remove the 2 bolts and separate traction battery charger wire. REMOVE NO. 20 TRACTION BATTERY BRACKET Remove the 2 bolts, nut and No. 20 traction battery bracket. REMOVE NO. 21 TRACTION BATTERY BRACKET Remove the 2 bolts, nut and No. 21 traction battery bracket.
- Page 34 Using an engine lifter support the traction battery assembly as shown in the illustration. Wooden Block Supporting Area Gravity Center Remove the 14 bolts. Remove the 4 bolts. Lower the engine lifter to remove the traction battery assembly. CAUTION: Be careful not to drop the traction battery assembly.
- Page 35 Remove the 6 nuts. Support the position with the forklift etc, lower the traction battery assembly from the engine lifter. Supporting Area Gravity Center Support the position with the wooden block lower the traction battery assembly. CAUTION: ・Store in an area where it will not get wet by rainwater or be in direct sunlight.
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