2021 Honda Accord Hybrid Repair Manual

Service Information The service and repair information contained in this manual is intended for use by qualified, professional technicians. Attempting service or repairs without the proper training, tools, and equipment could cause injury to you or others. It could also damage the vehicle or create an unsafe condition. This manual describes the proper methods and procedures for doing service, maintenance, and repairs. Some procedures require the use of specially designed tools and dedicated equipment. Any person who intends to use a replacement part, a service procedure, or a tool that is not recommended by Honda, must determine the risks to their personal safety and the safe operation of the vehicle. If you need to replace any parts, always use the correct parts supplied by a Honda dealer. Never use inferior quality parts. FOR YOUR CUSTOMER'S SAFETY Proper service and maintenance are essential to the customer's safety and the reliability of the vehicle. Any error or oversight while servicing a vehicle can result in faulty operation, damage to the vehicle, or injury to others. Improper service or repairs can create an unsafe condition that can cause your customers or others to be seriously hurt or killed. Follow the procedures and precautions in this manual and other service materials carefully. FOR YOUR SAFETY Because this manual is intended for the professional service technician, we do not provide warnings about many basic shop safety practices (for example, hot parts－wear gloves). If you have not received shop safety training or do not feel confident about your knowledge of safe servicing practices, we recommend that you do not attempt to do the procedures described in this manual. Failure to properly follow instructions and precautions can cause you to be seriously hurt or killed. Follow the procedures and precautions in this manual carefully. Some of the most important general service safety precautions follow this text. However, we cannot warn you of every conceivable hazard that can arise in doing service and repair procedures. Only you can decide whether or not you should do a given task. IMPORTANT SAFETY PRECAUTIONS Make sure you have a clear understanding of all basic shop safety practices, and that you are wearing appropriate clothing and using safety equipment. When doing any service task, be especially careful of the following: － Read all of the instructions before you begin, and make sure you have the tools, the replacement or repair parts, and the skills required to do the tasks safely and completely. － Protect your eyes by using proper safety glasses, goggles, or face shields anytime you hammer, drill, grind, or work around pressurized air or liquids and springs, or other stored-energy components. If there is any doubt, put on eye protection. － Use other protective wear when necessary, such as gloves or safety shoes. Handling hot or sharp parts can cause severe burns or cuts. Before you grab something that looks like it can hurt you, stop and put on gloves. － Protect yourself and others whenever you have the vehicle up in the air. Anytime you raise the vehicle, either with a lift or a jack, make sure that it is always securely supported. Use safety stands if needed. － Protect yourself by wearing an approved welding helmet, gloves, and safety shoes anytime you are welding. You can receive burns from hot parts; allow the parts to cool before working in that area. － Protect yourself from paints and harmful chemicals by wearing an approved respirator, eye protection, and gloves whenever you are painting. Spray paint only in an approved paint booth that is well ventilated. Make sure the engine is off before you begin any servicing procedures, unless the instruction tells you to do otherwise. This will help eliminate several potential hazards: － Carbon monoxide poisoning from engine exhaust. Be sure there is adequate ventilation whenever you run the engine. － Burns from hot parts or coolant. Let the engine and exhaust system cool before working in those areas. － Injury from moving parts. If the instruction tells you to run the engine, be sure your hands, fingers, and clothing are out of the way. Gasoline vapors and hydrogen gases from batteries are explosive. To reduce the possibility of a fire or explosion, be careful when working around gasoline or batteries: － Use only a nonflammable solvent, not gasoline, to clean parts. － Never drain or store gasoline in an open container. － Keep all cigarettes, sparks, and flames away from the battery and all fuel-related parts.

NOTE: The following illustrations do not show all of the DANGER/WARNING/CAUTION labels for the hybrid systems. Refer to the Service Precautions for more details. Front Passenger's Compartment: Steering Wheel: Rear Passenger's Compartment: Rear Seat Under Floor: Driver's Doorjamb: SRS WARNING INFORMATION SRS UNIT NOTICE SEAT BELT TENSIONER WARNING SIDE AIRBAG MODULE DANGER PASSENGER'S AIRBAG MODULE DANGER SEAT BELT OUTER LAP TENSIONER WARNING PASSENGER AIRBAG WARNING TAG (CHILD SEAT) USA models DRIVER'S KNEE AIRBAG MODULE DANGER PASSENGER'S KNEE AIRBAG MODULE DANGER DRIVER'S AIRBAG MODULE DANGER ROOF-SIDE AIRBAG MODULE DANGER

Engine Compartment: BATTERY DANGER HIGH VOLTAGE WARNING HIGH VOLTAGE DANGER BATTERY DISPOSAL INFORMATION TIRE INFORMATION AIR CONDITIONING INFORMATION EMISSION CONTROL INFORMATION and ENGINE COOLANT INFORMATION SUPPORT ROD WARNING RADIATOR CAP DANGER 12 VOLT BATTERY DANGER HIGH VOLTAGE WARNING EXPANSION TANK CAP DANGER BATTERY HANDLING NOTICE and BATTERY DISPOSAL INFORMATION HIGH VOLTAGE WARNING

Links: Service Precautions

Item Measurement Qualification Specification ELECTRIC POWERTRAIN Motor Type DC brushless-3 phases Battery Type 3.6 V Li-ion Number 72 (36 cells × 2 modules) Output 259.2 V GEAR Type e-CVT Gear ratio 2.454 Final reduction Type Single helical gear Gear ratio 3.421 STEERING Type Rack and pinion with electrical power-assisted Overall ratio 17 inch wheels 11.77 19 inch wheels 11.82 Turns, lock-to-lock 2.30 Steering wheel diameter 374 mm (14.72 in) SUSPENSION Type Front MacPherson strut with stabilizer, coil spring Rear Independent multilink with stabilizer, coil spring Shock absorber Front and rear Telescopic, hydraulic, nitrogen gas-filled TIRES Size See tire information label attached to driver's doorjamb. BRAKES Type of service brake Front Power-assisted self-adjusting ventilated disc Rear Power-assisted self-adjusting solid disc Type of parking brake Electrical parking brake AIR CONDITIONING Compressor Type Scroll Capacity 27.0 mL (1.65 cu in)/rev Maximum speed 8,600 rpm Condenser Type Corrugated fin Evaporator Type Corrugated fin Blower Type Ferrite type Motor type 235 W/12 V Speed control Infinitely variable Temperature control Air-mix type ELECTRICAL RATINGS 12 volt battery 55B24R 12 V－47 Ah/20 HR (12 V－38 Ah/5 HR) Fuses Under-hood fuse/relay box 150 A, 70 A, 60 A, 40 A, 30 A, 20 A, 15 A, 10 A, 7.5 A Under-dash fuse/relay box 20 A, 15 A, 10 A, 7.5 A Light bulbs Headlight low beam LED Headlight high beam 12 V－60 W (HB3) LED Front fog lights LED Front parking/daytime running lights LED Front side marker lights LED Front turn signal lights LED Side turn signal lights LED Rear turn signal lights 12 V－21 W Brake lights/taillights LED Inner taillights LED Rear side marker lights LED High mount brake light LED Back-up lights 12 V－16 W License plate light LED Ceiling light 12 V－8 W Front individual map lights 12 V－8 W Trunk light 12 V－5 W Ambient light LED Vanity mirror lights 14 V－1.4 W

Item Measurement Qualification Specification Door inner handle lights LED Console box light LED Center pocket light LED Door courtesy lights 12 V－3.8 W

If the vehicle needs to be towed, call a professional towing service. Improper towing preparation will damage the transmission. Follow the below procedure exactly. If you cannot shift the transmission or start the engine, the vehicle must be transported on a flat-bed tow truck. Trying to lift or tow the vehicle by the bumpers will cause serious damage. The bumpers are not designed to support the vehicle's weight. It is best to tow the vehicle no farther than 50 miles (80 km), and keep the vehicle speeds below 35 mph (55 km/h) except when loading on a flat-bed tow truck. For vehicles equipped with the power switch If the 12 volt battery is discharged, the ACCESSORY mode cannot be selected by pushing the power switch. Charge or replace the 12 volt battery to unlock the steering wheel before towing. If the ACCESSORY mode cannot be selected because of in an electrical problem other than a discharged 12 volt battery, the flat-bed tow truck is the only way to transport the vehicle. For vehicles equipped with the electric parking brake If the 12 volt battery is discharged, the electric parking brake cannot be canceled by pushing the electric parking brake/automatic brake hold switch. Charge or replace the 12 volt battery to release the parking brake before towing. If the electric parking brake is disabled in an electrical problem or severe vehicle damage, the vehicle must be transported on a flat-bed tow truck. For vehicles equipped with the neutral position holding mode Neutral Position Holding Mode is automatically canceled after several minutes. Emergency Towing There are three popular methods of towing a vehicle. Towing Method Transmission Type Shift Position Notes e-CVT Cable-type Equipment × - Never tow this vehicle with cable-type equipment. Flat-bed Tow Truck Equipment ○ P Secure the vehicle securely on a flat-bed tow truck. Apply the parking brake. Front Wheel Lift Equipment ○ N Turn the vehicle to the ACCESSORY or ON mode, and then release the parking brake.

Towing Method Transmission Type Shift Position Notes e-CVT Towing Hook/Tie Down Hook Slots Locations The front towing hook can be used with a winch to pull the vehicle onto the flat-bed tow truck, and the front/rear tie down hook slots can be used to secure the vehicle to the flat-bed tow truck. The tie down hook slots are covered with rubber plugs. Be sure to reinstall them after use. To avoid damage to the vehicle, use the towing hook for straight flat ground towing only. Do not tow on an angle. This vehicle is not equipped with a rear towing hook. Do not use the rear bumper or the rear tie down hook slots as a towing hook. It will cause a severe damage of rear of the vehicle. Front Towing Hook: A: Front towing hook Tie down hook slots: A B C D D

B: Front tie down hook slots C: Rear tie down hook slots D: Rubber plugs: Be sure to reinstall the plugs after use.

Links: Neutral Position Holding Mode

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2021 Honda Accord Hybrid Repair Manual

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