Repair Instruction: Precaution

1. HINTS ON OPERATIONS
   Fig 1: Identifying Basic Repair Hint

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. PRECOATED BOLTS
   1. Precoated bolts are bolts that have the thread area coated with seal lock adhesive.
   2. If a precoated bolt is retightened, loosened or moved, use the specified adhesive to coat it.
      NOTE: Perform the torque check with the bolt tightened to the lowest permitted torque value.
      Fig 2: Identifying Precoated Bolts With Seal Lock Adhesive

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. When precoated parts are reused, remove the old adhesive, clean them with non-residue solvent, and dry them with compressed air. Then apply new seal lock adhesive appropriate to those parts, and install them to the specified torque.
   4. The adhesive may take a specified amount of time until it hardens.
3. GASKETS
   1. Gaskets are non-reusable. Always replace them with new ones.
   2. When necessary, use a sealer on gaskets to prevent leaks.
4. BOLTS, NUTS AND SCREWS
   1. Carefully follow all the specifications for tightening torques. Always use a torque wrench.
5. FUSES
   1. When inspecting a fuse, check that the wire of the fuse is not broken
      Fig 3: Identifying Damaged Fuses

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. When replacing fuses, be sure that the new fuse has the correct amperage rating. Do not exceed the rating or use one with a lower rating
      FUSES SYMBOL AND ABBREVIATION
      
      

      Illustration	Symbol	Part Name	Abbreviation
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	FUSE	FUSE
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	MEDIUM CURRENT FUSE	M-FUSE
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	HIGH CURRENT FUSE	H-FUSE
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	FUSIBLE LINK	FL
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	CIRCUIT BREAKER	CB
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	FUSIBLE LINK ASSEMBLY	FL

6. CLIPS
   1. When prying a clip to remove it, always tape the tip of the tool with protective tape to protect the vehicle from damage.
   2. The removal and installation methods of typical clips used for vehicle body parts are shown in the table below.

      HINT.

      If clips are damaged during a procedure, always replace the clips with new clips

      CLIPS REMOVAL AND INSTALLATION PROCEDURE CHART
      
      

      Shape(Example)	Illustration	Procedure
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Remove clip with a clip remove or pliers
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Remove clip with a clip remove or screwdrive
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Remove clip with a wide scraper to prevent panel damage
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Remove clip by pushing the center pin through and prying out the shell
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Remove clip by unscrewing the center pin and prying out the shell
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Remove clip by prying out the pin and then pyring out the shell

7. CLAWS
   1. When prying a claw to detach it, always tape the tip of the tool with protective tape to protect the vehicle from damage.
   2. The removal and installation methods of typical claws used for vehicle body parts are shown in the table below.

      HINT:

      If claws of caps or covers are damaged during a procedure, always replace the caps or covers with new ones.

      CLAWS REMOVAL AND INSTALLATION PROCEDURE CHART
      
      

      Shape(Example)	Illustration	Procedure
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Using a screwdriver, detach the claw and remove the caps or covers
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Using a screwdriver, detach the claw and remove the caps or covers
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002	Using a screwdriver, detach the claw and remove the caps or covers

8. NOTICE FOR ENGINE HOOD/DOOR ADJUSTMENT
   1. If centering bolts are used for the hinges of the engine hood, door, luggage compartment door, etc., replace the centering bolts with standard bolts before performing the engine hood/door adjustment.
   Fig 4: Identifying Centering Bolt & Standard Bolts

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. JACKING UP AND SUPPORTING VEHICLE
   1. Care must be taken when jacking up and supporting the vehicle. Be sure to lift and support the vehicle at the proper locations.
10. REMOVAL AND INSTALLATION OF VACUUM HOSES
    1. To disconnect a vacuum hose, pull and twist from the end of the hose. Do not pull from the middle of the hose as this may cause damage.
       Fig 5: Identifying Correct & Incorrect Method Of Disconnecting Vacuum Hose

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When disconnecting vacuum hoses, use tags to identify where they should be reconnected.
       Fig 6: Applying Identifying Tags To Vacuum Hoses

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. After completing any hose related repairs, double check that the vacuum hoses are properly connected. The label under the hood shows the proper layout.
    4. When using a vacuum gauge, never force the hose onto a connector that is too large. If a hose has been stretched, it may leak air. Use a step-down adapter if necessary.
11. TORQUE WHEN USING TORQUE WRENCH WITH EXTENSION TOOL
    Fig 7: Identifying Torque Wrench Dimension

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Use the formula below to calculate special torque values for situations where SST or an extension tool is combined with a torque wrench.

       Formula: 

       T1 = L2 / (L1 + L2) * T 

       LENGTH OF SST AND LENGTH OF TORQUE WRENCH
       
       

       T1	Reading of torque wrench {N*m (kgf*cm, ft.*lbf)}
       T	Torque {N*m (kgf*cm, ft.*lbf)}
       L1	Length of SST or extension tool {cm (in.)}
       L2	Length of torque wrench {cm (in.)}

       Fig 8: Identifying Torque Wrench Dimension

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
       NOTE: If an extension tool or SST is combined with a torque wrench and the wrench is used to tighten to a torque specification in this manual, the actual torque will be excessive and parts will be damaged.

1. Engineers must undergo special training to be able to perform high-voltage system inspection and servicing.
2. All high-voltage wire harnesses are colored orange. The HV battery and other high-voltage components have "High Voltage" caution labels. Do not carelessly touch these wires and components.
3. Before inspecting or servicing the high-voltage system, be sure to follow safety measures, such as wearing insulated gloves and removing the service plug to prevent electrocution Carry the removed service plug in your pocket to prevent other technicians from reinstalling it while you are servicing the vehicle
   Fig 9: Removing Service Plug (While Wearing Insulated Gloves)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. After removing the service plug, wait 10 minutes before touching any of the high-voltage connectors and terminals.

   HINT

   10 minutes are required to discharge the high-voltage condenser inside the inverter.

5. Be sure to install the service plug before starting the hybrid system Starting the hybrid system with the service plug removed may damage the vehicle.
6. Before wearing insulated gloves, make sure that they are not cracked, ruptured, torn, or damaged in any way Do not wear wet insulated gloves.
7. When servicing the vehicle, do not carry metal objects like mechanical pencils or scales that can be dropped accidentally and cause a short circuit
8. Before touching a bare high-voltage terminal, wear insulated gloves and use an electrical tester to ensure that the terminal is not charged with electricity (approximately 0 V).
   Fig 10: Checking Gloves For Leakage

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. After disconnecting or exposing a high-voltage connector or terminal, insulate it immediately using insulation tape.
   Fig 11: Insulating Insulation Tape Onto Wire Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. The screw of a high-voltage terminal should be tightened firmly to the specified torque. Both insufficient and excessive torque can cause failure.
11. Use the "CAUTION. HIGH VOLTAGE DO NOT TOUCH DURING OPERATION." sign to notify other engineers that a high-voltage system is being inspected and/or repaired.
    Fig 12: Identifying "Caution High Voltage Do Not Touch During Operation" Label

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
12. Do not place the battery upside down while removing and installing it.
13. After servicing the high-voltage system and before reinstalling the service plug, check again that you have not left a part or tool inside, that the high-voltage terminal screws are firmly tightened, and that the connectors are correctly connected.

The LEXUS LS600h L automatically turns the engine ON and OFF when the READY light on the instrument panel is ON To avoid injury, Please make sure that both the indicator on the power switch and the READY lamp on the meter are off

Fig 13: Identifying Caution Label

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Perform this procedure when the auxiliary battery is fully depleted.

   HINT:

   The following problems indicate that the auxiliary battery is depleted:

   • No display appears on the instrument panel when the power switch is ON (IG).
   • The hybrid system does not start.
   • The headlights are dim.
   • The sound from the horn is weak.
   NOTE: Never use a quick charger.
   1. Move the shift lever to the P position and engage the parking brake.
   2. Remove the key from the vehicle
   3. Using a booster cable, connect the rescue vehicle's 12 V battery positive (+) lead to the stalled vehicle's relay block positive (+) terminal and the negative (-) lead to the suspension support's nut on the right side.
      NOTE: Do not allow the booster cable to contact the seat vibration module assembly. The positive (+) terminal side of the auxiliary battery is close to the seat vibration module assembly. When charging the battery, it is extremely dangerous if the booster cable contacts the seat vibration module assembly, as sparks occur and the seat vibration module assembly may be damaged.
      Fig 14: Identifying Seat Vibration Module Assembly

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   4. Start the engine of the rescue vehicle and run the engine at a speed slightly higher than the idling speed for 5 minutes to charge the auxiliary battery of the stalled vehicle.
   5. Depress the brake pedal and push the power switch to start the hybrid system.
      NOTE: If the hybrid system fails to start, the master warning light flashes, and the multi-information display is as shown in the illustration, the HV battery may be depleted.
      Fig 15: Identifying Warning Light - Low Traction Battery

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   6. Disconnect the booster cable in the reverse order of the connection procedure.
      NOTE: If the auxiliary battery needs to be replaced, replace it only with a 12 V battery specially designed for use with the LEXUS LS600hl.
2. When the HV battery is depleted, replace the HV battery.

   HINT:

   If the HV battery is depleted, the master warning light flashes, the multi-information display is as shown in the illustration, and DTC P3000-388, 389 or 603 is output.

   Fig 16: Identifying Warning Light - Low Traction Battery

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Items to be prepared for operation at the site of the accident.
   • Protective clothing (insulated gloves, rubber gloves, goggles, and safety shoes)
   • Saturated boric acid solution 20 L (obtain 800 g of boric acid powder, put it into a container, and dissolve it in water)
   • Red litmus paper
   • ABC fire extinguisher (effective against both oil flames and electrical flames)
   • Shop rags (for wiping off electrolyte)
   • Vinyl tape (for insulating cables)
   • Electrical tester
2. Actions to be taken at the accident site.
   1. Wear insulated or rubber gloves, goggles and safety shoes.
   2. Do not touch a bare cable that could be a high voltage cable. If the cable must be touched or if accidental contact is unavoidable, follow these instructions: 1) wear insulated or rubber gloves and goggles, 2) measure the voltage between the cable and the body ground using an electrical tester, and 3) insulate the cable using vinyl tape.
   3. If the vehicle catches on fire, use an ABC fire extinguisher to extinguish the fire. Trying to extinguish a fire using only a small amount of water can be more dangerous than effective. Use a substantial amount of water or wait for fire fighters.
   4. Visually check the HV battery and immediate area for any electrolyte leakage. Do not touch any leaked liquid because it could be a highly alkaline electrolyte. Wear rubber gloves and goggles, and then apply red litmus paper to the leak. If the paper turns blue, the liquid must be neutralized before wiping. Neutralize the liquid using the following procedures: 1) apply saturated bone acid solution to the liquid, and 2) reapply red litmus paper and make sure it does not turn blue. Repeat steps  1 and  2 above until the paper does not turn blue. Then, wipe the neutralized liquid with a shop rag.
   5. If damage to any of the high-voltage components and cables is suspected, cut the high-voltage circuit using the procedure below.
      Fig 17: Identifying Inverter With Converter Assembly

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Move the shift lever to the P position and engage the parking brake.
      2. Remove the key from the vehicle. Then disconnect the cable from the negative (-) terminal of the auxiliary battery.
      3. Remove the service plug while wearing insulated gloves
         Fig 18: Removing Service Plug (While Wearing Insulated Gloves)

         Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
         CAUTION: Do not turn the power switch ON (READY) while removing the service plug.
         NOTE: If the service plug cannot be removed due to damage to the rear portion of the vehicle, remove the IGCT NO. 1 fuse from the engine room No. 1 relay block instead.
         Fig 19: Identifying IGCT NO. 1 Fuse

         Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Moving the damaged vehicle

   HINT.

   If any of the following applies, tow the vehicle away using a tow truck.

   • One or more of the high-voltage components and cables are damaged
   • The driving, traction, or fuel system is damaged
   • The READY light is not illuminated when you start the engine.
   Fig 20: Identifying READY Light
   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   • Tow the damaged vehicle with its front and rear wheels lifted off the ground. In an emergency where a tow truck is not available, the vehicle may be temporarily towed using a cable or chain secured to the emergency towing eyelet. Also, make sure that the following conditions are met: 1) the towing should only be performed on paved roads for short distances at low speeds; 2) a driver must be in the vehicle to steer and operate the brakes; and 3) the vehicle's wheels, drive train, axles, steering and brakes must be operating normally.
   • Before towing the vehicle away using a tow truck, disconnect the cable from the negative (-) terminal of the auxiliary battery and remove the service plug. Only if none of the above applies and there are no problems that might affect driving, drive the vehicle away from the accident site to a safe place nearby.
   • Perform the procedure below if the READY light turns OFF, or there are abnormal noises, unusual smells, or strong vibrations while driving:
     1. Park the vehicle in a safe place.
     2. Move the shift (ever to the P position and engage the parking brake.
     3. Disconnect the cable from the negative (-) terminal of the auxiliary battery.
     4. Remove the service plug while wearing insulated gloves.
4. Actions required after moving the damaged vehicle. If you see any liquid on the road surface, it could be a highly alkaline electrolyte leakage.

   Wear rubber gloves and goggles, and apply red litmus paper to the leak. If the paper turns blue, the liquid must be neutralized before wiping. Neutralize the liquid using the following procedures: 1) apply saturated boric acid solution to the liquid, and 2) reapply red litmus paper and make sure it does not turn blue. Repeat steps  1 and  2 above until the paper does not turn blue. Then wipe the neutralized liquid with a shop rag.

5. Items to be prepared (when repairing damaged vehicles).
   • Protective clothing (insulated gloves, rubber gloves, goggles, and safety shoes)
   • Saturated boric acid solution 20 L (obtain 800 g of boric acid powder, put it into a container, and dissolve it in water)
   • Red litmus paper
   • Shop rags (for wiping off the electrolyte)
   • Vinyl tape (for insulating cables)
   • Electrical tester
6. Precautions to be observed when servicing the damaged vehicle.
   1. Wear insulated or rubber gloves, goggles, and safety shoes.
   2. Do not touch a bare cable that could be a high voltage cable. If the cable must be touched or if accidental contact is unavoidable, follow these instructions: 1) wear insulated or rubber gloves and goggles, 2) measure the voltage between the cable and the body ground using an electrical tester, and 3) insulate the cable using vinyl tape.
   3. Check the HV battery and immediate area for any electrolyte leakage. Do not touch any leaked liquid because it could be a highly alkaline electrolyte. Wear rubber gloves and goggles, and then apply red litmus paper to the leak. If the paper turns blue, the liquid must be neutralized before wiping Neutralize the liquid using the following procedures: 1) apply saturated boric acid solution to the liquid, and 2) reapply red litmus paper and make sure it does not turn blue. Repeat steps  1 and  2 above until the paper does not turn blue. Then wipe the neutralized liquid with a shop rag.
   4. If the electrolyte adheres to your skin, wash the skin immediately using saturated boric acid solution or a large amount of water. If the electrolyte adheres to an article of clothing, take the clothing off immediately
   5. If the electrolyte comes in contact with your eyes, call out loudly for help Do not rub your eyes. Wash them with a large amount of water and seek medical care immediately.
   6. If damage to any of the high-voltage components and cables is suspected, cut the high-voltage circuit using the procedure below
      1. Move the shift lever to the P position and engage the parking brake
      2. Remove the key from the vehicle. Then disconnect the cable from the negative (-) terminal of the auxiliary battery.
      3. Wear insulated gloves, and then remove the service plug.
         NOTE: If the service plug cannot be removed due to damage to the rear portion of the vehicle, remove the IGCT NO. 1 fuse from the engine room No. 1 relay block instead.
7. Precautions to be taken when disposing of the vehicle.

   When scrapping the vehicle, remove the HV battery from the vehicle and return it to the location specified by the manufacturer The same applies to any damaged HV battery

8. After removing the battery, keep it away from water. Water may heat the battery, which results in a fire.
9. Do not tow the vehicle with its 4 wheels on the ground.
   NOTE: In an emergency where a tow truck is not available, the vehicle may be temporarily towed using a cable or chain secured to the emergency towing eyelet. Also, make sure that the following conditions are met: 1) the towing should only be performed on paved roads for short distances at low speeds; 2) a driver must be in the vehicle to steer and operate the brakes; and 3) the vehicle's wheels, drive train, axles, steering and brakes must be operating normally.

The LEXUS LS600h L is equipped with a Supplemental Restraint System (SRS) The SRS of this vehicle consists of the following

1. Steering pad
2. Driver side knee airbag assembly
3. Front passenger side knee airbag assembly
4. Front passenger airbag assembly
5. Curtain shield airbag assembly
6. Front seat side airbag assembly 7 Rear seat side airbag assembly
7. Center airbag sensor assembly
8. Seat cushion airbag assembly
9. Front airbag sensor
10. Side airbag sensor
11. Rear airbag sensor
12. Seat position airbag sensor
13. Occupant classification ECU
14. Front seat outer belt assembly with pretensioner
15. Rear seat outer belt assembly with pretensioner

1. SPIRAL CABLE
   1. The steering wheel must be fitted correctly to the steering column with the spiral cable at the neutral position, as cable disconnection and other problems may occur. Refer to the information about correct installation of the steering wheel. See SPIRAL CABLE .
2. AIRBAG ASSEMBLY
   1. Airbag assembly with pad:

      Always place a removed or new airbag assembly with the pad surface facing upward Placing the airbag assembly with the airbag inflation direction facing downward could cause a serious accident if the airbag inflates. Also, do not place anything on top of the airbag assembly.

   2. Never measure the resistance of the airbag squib. This may cause the airbag to inflate, which could cause a serious injury.
   3. Grease or detergents of any kind should not be applied to the airbag assembly.
   4. Store the airbag assembly in an area where the ambient temperature is below 93°C (200°F), the humidity is not high and there is no electrical noise.
   5. When using electric welding anywhere on the vehicle, disconnect the center airbag sensor connectors. These connectors contain shorting springs. This feature reduces the possibility of the airbag deploying due to currents entering the squib wiring.
   6. When disposing of the vehicle or the airbag assembly by itself, the airbag should be deployed using SST before disposal Activate the airbag in a safe place away from electrical noise
3. SEAT OUTER BELT ASSEMBLY WITH PRETENSIONER
   1. Never measure the resistance of the seat outer belt. This may cause the pretensioner of the seat outer belt to activate, which could cause a serious injury
   2. Never install the seat outer belt on another vehicle.
   3. Store the seat outer belt in an area where the ambient temperature is below 80°C (176°F), the humidity is not high and there is no electrical noise.
   4. When using electric welding anywhere on the vehicle, disconnect the center airbag sensor connectors (2 pins). These connectors contain shorting springs. This feature reduces the possibility of the pretensioner deploying due to currents entering the squib wiring
   5. When disposing of a vehicle or the seat outer belt by itself, the pretensioner should be activated before disposal. Activate the pretensioner in a safe place away from electrical noise
   6. As the seat outer belt is hot after the pretensioner is activated, allow some time for it to cool down sufficiently before disposal. Never apply water to try to cool down the seat outer belt.
   7. Grease, detergents, oil or water should not be applied to the seat outer belt
4. AIRBAG SENSOR ASSEMBLY
   1. Never reuse an airbag sensor assembly that has been involved in a collision where the SRS has deployed
   2. The connectors to the airbag sensor assembly should be connected or disconnected with the sensor placed on the floor If the connectors are connected or disconnected while the airbag sensor assembly is not placed on the floor, the SRS may activate.
   3. Work must be started at least 90 seconds after the power switch is turned OFF and the cable is disconnected from the negative (-) battery terminal, even if only loosening the set bolts of the airbag sensor assembly.
5. WIRE HARNESS AND CONNECTOR
   1. The SRS wire harness is integrated with the instrument panel wire harness assembly. All the connectors in the system are yellow. If the SRS wire harness becomes disconnected or the connector becomes broken, replace it.

1. REMOVAL AND INSTALLATION OF BATTERY TERMINAL
   NOTE:

   • Always remove the service plug to cut off the high-voltage circuit when servicing or inspecting high-voltage parts and wiring.
   • Carry the removed service plug grip in your pocket to prevent other technicians from reinstalling it while servicing the vehicle.
   • The high-voltage wiring and connectors are all colored orange.
     Fig 21: Disconnecting Negative Battery Cable Terminal

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Before performing electronic work, disconnect the cable from the negative (-) battery terminal to prevent component and wire damage caused by accidental short circuits.
   2. When disconnecting the cable, turn the power switch OFF and headlight dimmer switch OFF and loosen the cable nut completely. Perform these operations without twisting or prying the cable. Then disconnect the cable.
   3. Clock settings, radio settings, audio system memory, DTCs and other data are erased when the cable is disconnected from the negative (-) battery terminal. Write down any necessary data before disconnecting the cable.
   4. Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal
2. HANDLING OF ELECTRONIC PARTS
   1. Do not open the cover or case of the ECU unless absolutely necessary. If the IC terminals are touched, the IC may be rendered inoperative by static electricity
   2. Do not pull the wires when disconnecting electronic connectors. Pull the connector.
   3. Be careful not to drop electronic components, such as sensors or relays. If they are dropped on a hard surface, they should be replaced.
      Fig 22: Precaution For - Handling Of Electronic Parts

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   4. When cleaning the engine with steam, protect the electronic components, air filter and emission-related components from water.
   5. Never use an impact wrench to remove or install temperature switches or temperature sensors.
   6. When measuring the resistance of a wire connector, insert the tester probe carefully to prevent terminals from bending
   7. Do not expose electronic parts to high temperatures and humidity.
   8. Do not touch the terminals of the connectors, as a malfunction due to static electricity and/or deformation may occur

1. PLACE FOR REMOVING AND INSTALLING FUEL SYSTEM PARTS
   1. Work in a location with good air ventilation that does not have welders, grinders, drills, electric motors, stoves, or any other ignition sources.
   2. Never work in a pit or near a pit as vaporized fuel will collect in those places.
2. REMOVING AND INSTALLING FUEL SYSTEM PARTS
   1. Prepare a fire extinguisher before starting the operation.
   2. To prevent static electricity, install a ground wire to the fuel changer, vehicle and fuel tank, and do not spray the surrounding area with water. Be careful when performing work in this area, as the work surface will become slippery. Do not clean up gasoline spills with water, as this may cause the gasoline to spread, and possibly create a fire hazard.
   3. Avoid using electric motors, working lights and other electric equipment that can cause sparks or high temperatures.
   4. Avoid using iron hammers as they may create sparks.
   5. Dispose of fuel-contaminated cloths separately using a fire resistant container.

1. If any metal particles enter inlet system parts, they may damage the engine.
2. When removing and installing inlet system parts, cover the openings of the removed parts and engine openings. Use gummed tape or other suitable materials.
3. When installing inlet system parts, check that no metal particles have entered the engine or the installed parts.
   Fig 23: Identifying Engine Intake Parts

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Before removing the hose, check the clamp position so that it can be reinstalled in the same position.
2. Replace any deformed or dented clamps with new ones.
3. When reusing a hose, attach the clamp on the clamp track portion of the hose
4. For a spring type clamp, you may want to spread the tabs slightly after installation by pushing in the direction of the arrows as shown in the illustration
   Fig 24: Identifying Spring Type Clamp

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the antenna as far away from the ECU and sensors of the vehicle electronic systems as possible.
2. Install the antenna feeder at least 20 cm (7.87 in) away from the ECU and sensors of the vehicle electronic systems. For details about ECU and sensor locations, refer to the section of the applicable components.
3. Keep the antenna and feeder separate from other wiring as much as possible This will prevent signals from the communication equipment from affecting vehicle equipment and vice versa.
   Fig 25: Precaution For - Mobile Communication Systems

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Check that the antenna and feeder are correctly adjusted.
5. Do not install a high-powered mobile communication system.

1. for HID Headlight
   1. When the headlight dimmer switch assembly is set to HEAD, do not touch the discharge headlight's high-voltage socket area.
2. for LED
   1. When the headlight dimmer switch assembly is set to HEAD, do not touch the LED.
3. When the headlights are illuminated, do not cover the headlights for 3 minutes or more.
   NOTE:

   • As the headlight's outer lens is made of resin, the resulting heat created when covering the headlight for an extended period of time may deform the headlight.
   • When performing inspection maintenance, the discharge headlight's precautions must be followed (see LIGHTING SYSTEM ).
     Fig 26: Identifying Headlight Operation

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NOTICES FOR WHEN TESTING WITH 2-WHEEL DRUM TESTER
   1. When testing with a 2-wheel drum tester such as a speedometer tester, a combination tester for the speedometer and brake, or a chassis dynamometer, enter maintenance mode or switch to VSC OFF mode to turn TRC and VSC operation off. Then enter test mode, start the engine and perform measurements.
      CAUTION:

      • If the vehicle is tested in normal mode on the drum tester, TRC and VSC operation may cause the vehicle to jump out from the drum tester.
      • When switching to VSC OFF mode, the VSC OFF switch must be held for 3 seconds or more with the vehicle stopped. TRC and VSC operation must both be turned off before beginning testing.
        Fig 27: Identifying TRC And VSC Operation Off

        Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • During VSC OFF mode, VSC OFF is displayed in the multi-information display, and the combination meter's slip indicator light illuminates.
      • Fix the vehicle in place with chains for safety.
2. NOTICES FOR VSC RELATED PROCEDURES
   1. For VSC related parts, adjustments are required after removal and installation. Therefore, perform removal and installation only when necessary.
   2. When performing VSC related procedures, be sure to strictly follow the preparation and completion procedures.
   3. When performing removal and installation or replacement of VSC related parts, first disconnect the cable from the negative (-) battery terminal.
      Fig 28: Identifying VDC Off Indication

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Use only unleaded gasoline.
2. Avoid idling the engine for more than 20 minutes.
3. Perform the spark test and cylinder compression check only when necessary, and as quickly as possible.
4. Do not run the engine when the fuel tank is nearly empty. This may cause the engine to misfire and create an extra load on the converter

1. When performing operations which involve the removal and installation of the propeller shaft, always check the joint angle. Make adjustments if necessary.
   Fig 29: Identifying Propeller Shaft Joint Angle

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