Teardown of Toyota’s Flagship Sedan (4): Photo gallery

Photographs of 203 parts and a list of suppliers

2016/10/03

Summary

 分解中のトヨタクラウンThis is a continuation (Part 4) of a series reporting on a teardown analysis of the Toyota Crown Royal performed in November 2015 by the Hiroshima Industrial Promotion Organization. See Part 1 (2.5-liter V6 engine “4GR-FSE”), Part 2 (Chassis technology for high-end rear-wheel drive cars common to Toyota and Lexus vehicles), and Part 3 (High-rigidity body structure for crash safety, handling stability and quietness) for earlier reports on the teardown. This report contains a list of parts suppliers and detailed photographs of 203 parts and components including those not introduced in earlier reports.

Previous teardown reports:

Teardown of Toyota's Flagship Sedan (Part 1)(May 2016)
Teardown of Toyota's Flagship Sedan (Part 2)(May 2016)
Teardown of Toyota’s Flagship Sedan (Part 3)(Sep. 2016)

4th-Generation Toyota Prius
4th-Generation Toyota Prius Teardown (Part 1)(Feb. 2016)
4th-Generation Toyota Prius Teardown (Part 2) (Mar. 2016)
4th-Generation Toyota Prius Teardown (Part 3) (Mar. 2016)
4th-Generation Toyota Prius Teardown: Photo gallery (132 parts) (Apr.2016年)

Daihatsu Move (Feb./Mar. 2015)
  Daihatsu Move Teardown (Part 1): Equipment comparable to B-segment cars
  Daihatsu Move Teardown (Part 2): High fuel economy and improved performance
  Daihatsu Move Teardown (Part 3): Linear body structure optimizes space

VW  Polo (Nov./Dec. 2014)
  VW Polo Teardown (Part 1)
  VW Polo Teardown (Part 2)

Nissan Note (Sep. 2014)
  Nissan Note (Versa Note) Teardown (Part 1)
  Nissan Note (Versa Note) Teardown (Part 2)

Honda Accord Hybrid (Feb. 2014)
  Honda Accord Hybrid teardown (Part 1)
  Honda Accord Hybrid teardown (Part 2)
  Honda Accord Hybrid teardown (Part 3)

Honda Fit Hybrid (Dec. 2013)
  Honda Fit Hybrid teardown (Part 1): Battery components & brake system
  Honda Fit Hybrid teardown (Part 2): Engine and transmission

Toyota Aqua (Nov. 2012)
  Toyota Aqua (Prius c) teardown: Part 1
  Toyota Aqua (Prius c) teardown: Part 2

Nissan Leaf
  Nissan Leaf teardown (Part 1) (Feb. 2012)
  Nissan Leaf teardown (Part 2): main components disassembled (Sep. 2012)
  Nissan Leaf teardown (Part 3): body cutaway (Nov. 2012)



List of main suppliers

Item Name Supplier
Engine Throttle body Denso Corp.
Ignition coil Denso Corp.
Piston Art Metal Mfg. Co., Ltd.
Rocker arm Otics Corp.
Hydraulic lash adjuster Otics Corp.
Engine front cover Aisin
Fuel injector Denso Corp.
Alternator Denso Corp.
Starter motor Denso Corp.
O2 sensor (on exhaust manifold) Denso Corp.
O2 sensor (on exhaust center tube) Denso Corp.
Air flow sensor Denso Corp.
Air cleaner element Denso Corp.
Canister Aisan Industry Co., Ltd.
Exhaust system Rear muffler Sango Co., Ltd.
Rear muffler rubber mount Sumitomo Riko Co., Ltd.
Chassis Tire MICHELIN
Front brake unit Advics Co., Ltd.
EBD/ABS/VSC/TRC actuator Advics Co., Ltd.
Front shock absorber Hitachi Automotive Systems, Ltd.
Rear shock absorber Hitachi Automotive Systems, Ltd.
Rear axle hub bearing NSK, Ltd.
Rear brake hose Toyoda Gosei Co., Ltd.
Electric power steering gear JTEKT Corp.
Steering column Fuji Kiko Co., Ltd.
Steering lock assembly Tokai Rika Co., Ltd.  
Steering wheel Toyoda Gosei Co., Ltd.
Body, exterior Trunk lid lock Shiroki Corp.
Trunk lid gas stay KYB
Front door glass Asahi Glass Co., Ltd.
Rear door glass Nippon Sheet Glass Co., Ltd.
Rear door partition glass Nippon Sheet Glass Co., Ltd.
Windshield Asahi Glass Co., Ltd.
Rear windshield Asahi Glass Co., Ltd.
Front door outside handle Tokai Rika Co., Ltd.
Door lock actuator (for lock knobs) Aisin Seiki
Door lock actuator (for locks) Aisin Seiki
Power window motor Denso Corp.
Side mirror Tokai Rika Co., Ltd.
Interior AT shift lever unit Tokai Rika Co., Ltd.
Center console shift indicator panel Toyoda Gosei Co., Ltd.
Instrument panel lower cover in driver’s footwell Toyoda Gosei Co., Ltd.
Safety Front seatbelt Tokai Rika Co., Ltd.
Rear seatbelt Autoliv, Inc.
Driver airbag inflator Daicel Safety Systems Inc.
Front passenger airbag Autoliv, Inc.
Front passenger knee airbag Toyoda Gosei Co., Ltd.
Electrical Headlamp Koito Manufacturing Co., Ltd.
HID Headlamp ECU Denso Corp.
Fog lamp Koito Manufacturing Co., Ltd.
Rear combination lamp Stanley Electric Co., Ltd.
Combination switch Panasonic Corp.
Wiper motor Mitsuba Corp.
Washer tank Denso Corp.
ECU Denso Corp.
Injector driver unit Denso Corp.
Accelerator pedal unit Denso Corp.
Immobilizer ID code check ECU Denso Corp.
EPS control unit JTEKT Corp./Denso Corp.
Horn Maruko Keihoki Co., Ltd.
ECM harness Sumitomo Wiring Systems Ltd., Sumitomo Electric Industries, Ltd.
Engine room harness Yazaki Corp.
Body harness Yazaki Corp.
Instrument panel harness Yazaki Corp.
Trunk lid harness (roll-up type) Yazaki Corp.
Relay fuse box Yazaki Corp.
Steering angle sensor Panasonic Corp.
Pre-crash seatbelt ECU Denso Corp.
Airbag ECU & sensor Denso Corp.
Smart key sensor (fitted behind rear bumper) Aisin Seiki
Combination meter Denso Corp.
Meter display Japan Display Inc.
Body ECU Denso Corp.
AM/FM radio aerial amplifier Fujitsu Ten, Ltd.
Air conditioning, cooling Air conditioner unit Denso Corp.
Heater core Denso Corp.
Evaporator Denso Corp.
Air conditioner ECU Denso Corp.
Air conditioner condenser Denso Corp.
Cooling unit electric fan Denso Corp.
Radiator sub-tank Denso Corp.
Radiator sub-tank rubber mount Inoac Corp.


Images of the exterior and undercarriage before the teardown

Exterior front

Exterior front

Exterior rear

Exterior rear

Trunk

Trunk

Filler neck

Filler neck

Underfloor (front)

Underfloor (front)

Underfloor (rear)

Underfloor (rear)



Engine, drivetrain

Engine room with engine cover removed

Engine room with engine cover removed

Engine room with front bumper removed

Engine room with front bumper removed

Engine room with engine cover removed

Engine room with engine cover removed

Engine room with front bumper, grille, radiator and condenser removed

Engine room with front bumper, grille, radiator and condenser removed

Engine room with front bumper, grille, radiator and condenser removed

Engine room with front bumper, grille, radiator and condenser removed

Engine room with front bumper, grille, radiator and condenser removed
Engine room with front bumper, grille, radiator and condenser removed
Engine room with front bumper, grille, radiator and condenser removed

Engine room with front bumper, grille, radiator and condenser removed

Engine room bottom

Engine room bottom

Grounded engine left

Grounded engine left

Grounded engine rear, transmission

Grounded engine rear, transmission

Grounded engine right

Grounded engine right

Engine rear end

Engine rear end

Intake manifold, surge tank

Intake manifold, surge tank

Surge tank, throttle body

Surge tank, throttle body

Surge tank, throttle body

Surge tank, throttle body

Surge tank, throttle body

Intake manifold, surge tank, throttle body

Intake manifold (cylinder head mount seat)

Intake manifold (cylinder head mount seat)

Intake manifold (surge tank mount seat)

Intake manifold (surge tank mount seat)

Cylinder head (exhaust port side)

Cylinder head (exhaust port side)

Cylinder head (intake port side)

Cylinder head (intake port side)

Cylinder head (combustion chamber)

Cylinder head (combustion chamber)

Cylinder head, fuel injector

Cylinder head, fuel injector

Fuel injector (Denso Corp.>
Fuel injector (Denso Corp.)
High-pressure injection pump

High-pressure injection pump

Exhaust camshaft (left), intake camshaft (right)

Exhaust camshaft (left), intake camshaft (right)

Camshaft ladder frame

Camshaft ladder frame

Piston with connecting rod (Art Metal Mfg. Co., Ltd.)

Piston with connecting rod (Art Metal Mfg. Co., Ltd.)

Piston with connecting rod (Art Metal Mfg. Co., Ltd.)

Piston with connecting rod (Art Metal Mfg. Co., Ltd.)

Cylinder block (cylinder head side)
Cylinder block (cylinder head side)
Cylinder block (cylinder head side)

Cylinder block (cylinder head side)

Cylinder block (crankcase side)

Cylinder block (crankcase side)

Water jacket spacer

Water jacket spacer

Crankshaft
Crankshaft
Bearing cap

Bearing cap

Oil pan top

Oil pan top

Oil pan

Oil pan

Oil pan(bottom)

Oil pan(bottom)

Cylinder block with oil pan removed, oil strainer in the vehicle rear side, front oil passage to the oil filter

Cylinder block with oil pan removed, oil strainer in the vehicle rear side, front oil passage to the oil filter

Head cover back

Head cover back

Head cover top

Head cover top

Front cover back (Aisin Seiki)

Front cover back (Aisin Seiki)

Front cover (Aisin Seiki)

Front cover (Aisin Seiki)

Air duct from air cleaner to throttle body

Air duct from air cleaner to throttle body

Air cleaner with external air duct (Denso Corp.)

Air cleaner with external air duct (Denso Corp.)

Air flow sensor (Denso Corp.)

Air flow sensor (Denso Corp.)

Transmission and torque converter

Transmission and torque converter (Aisin AW)

Transmission (engine mount side)

Transmission (engine mount side)

Bottom view of transmission in place

Bottom view of transmission in place

Final drive unit with driveshaft

Final drive unit with driveshaft

Final drive unit inner view

Final drive unit inner view

Propeller shaft

Propeller shaft



Exhaust system, combustion system

Pre-catalytic converter O2 sensor on exhaust manifold

Pre-catalytic converter O2 sensor on exhaust manifold

O2 sensor on exhaust manifold (Denso Corp)

O2 sensor on exhaust manifold (Denso Corp)

Post-catalytic converter O2 sensors on front pipes, center muffler

Post-catalytic converter O2 sensors on front pipes, center muffler

O2 sensor on front pipe(Denso Corp)

O2 sensor on front pipe(Denso Corp)

A flexible joint at center muffler rear

A flexible joint at center muffler rear

Middle pipe and rear muffler(Sango Co., Ltd.)

Middle pipe and rear muffler (Sango Co., Ltd.)

Exhaust rubber mount (front tube)

Exhaust rubber mount (front tube)

Exhaust rubber mount (rear muffler)

Exhaust rubber mount (rear muffler)

Fuel tank

Fuel tank

Canister

Canister (Aisan Industry Co., Ltd.)

Canister

Canister (Aisan Industry Co., Ltd.)



Suspension

Front double wishbone suspension in place

Front double wishbone suspension in place

Front double wishbone suspension in place

Front double wishbone suspension in place

Front double wishbone suspension in place

Front double wishbone suspension in place

Front double wishbone suspension in place

Front double wishbone suspension in place

Front suspension with upper link removed

Front suspension with upper link removed

Upper link in place

Upper link in place

Transverse link

Transverse link

Front knuckle

Front knuckle

Knuckle arm, knuckle arm ball joint, suspension ball joint

Knuckle arm, knuckle arm ball joint, suspension ball joint

Shock absorber, spring

Shock absorber, spring

Suspension member brace

Suspension member brace

Front suspension member back

Front suspension member back

Front suspension member top

Front suspension member top

Front hub unit

Front hub unit

Hydraulic engine mounts

Hydraulic engine mounts

Rear multi-link suspension with rear differential in place

Rear multi-link suspension with rear differential in place

Rear suspension in place

Rear suspension in place

Rear suspension in place

Rear suspension in place

Rear suspension

Rear suspension

Rear multi-link suspension with rear differential in place

Rear multi-link suspension with rear differential in place

Rear lower arm

Rear lower arm

Front lower arm

Front lower arm

Rear upper arm

Rear upper arm

Front upper arm

Front upper arm

Toe control arm

Toe control arm

Rear knuckle

Rear knuckle

Rear knuckle

Rear knuckle

Rear shock absorber, bumper rubber, spring seat

Rear shock absorber, bumper rubber, spring seat

Rear shock absorber, spring seat, rear spring

Rear shock absorber, spring seat, rear spring

Rear suspension member top

Rear suspension member top

Back of rear suspension member showing final drive unit mount seat

Back of rear suspension member showing final drive unit mount seat

Rear suspension member bottom

Rear suspension member bottom

Rear suspension member showing final drive unit rear mount seat

Rear suspension member showing final drive unit rear mount seat

Rear suspension member front mount stay

Rear suspension member front mount stay

Rear floor stay side

Rear floor stay side

Rear floor stay

Rear floor stay

Rear suspension member brace

Rear suspension member brace

Rear hub unit

Rear hub unit



Brake, steering, tire, wheel

Front brake rotor, front hub unit

Front brake rotor, front hub unit

Front brake caliper

Front brake caliper

Rear drum-in-disc rotor and drum brake shoe for parking

Rear drum-in-disc rotor and drum brake shoe for parking

Rear brake caliper

Rear brake caliper

Front master cylinder, brake booster

Front master cylinder, brake booster

Front master cylinder, brake booster

Front master cylinder, brake booster

EBD/ABS/VSC/TRC actuators Advics Co., Ltd.

EBD/ABS/VSC/TRC actuators (Advics Co., Ltd.)

Brake pedal

Brake pedal

Electric power steering gear  JTEKT Corp.

Electric power steering gear (JTEKT Corp.)

Electric power steering gear  JTEKT Corp.

Electric power steering gear (JTEKT Corp.)

Steering column, combination switch

Steering column, combination switch

Intermediate shaft

Intermediate shaft

Steering wheel, driver airbag

Steering wheel, driver airbag

Steering wheel, driver airbag

Steering wheel, driver airbag

Tire 215/60R16 and wheel Tire 215/60R16 and wheel (MICHELIN)

Tire 215/60R16 and wheel

Tire 215/60R16 and wheel (MICHELIN)



Body

Body shell front
Body shell front
Body shell side

Body shell side

Body shell rear

Body shell rear

Front bumper

Front bumper

Front bumper

Front bumper

Front bumper reinforcements

Front bumper reinforcements

Front bumper reinforcements

Front bumper reinforcements

Front bumper shock absorber

Front bumper shock absorber

Radiator core support

Radiator core support

Radiator core support in place

Radiator core support in place

Hood lock stay

Hood lock stay

Engine compartment

Engine compartment

Front side member

Front side member

Engine compartment
Engine compartment
Engine compartment

Engine compartment

Front wheelhouse inside

Front wheelhouse inside

A-pillar, B-pillar

A-pillar, B-pillar

B-pillar, roof rail

B-pillar, roof rail

Roof back showing four roof cross members between front and aft roof rails

Roof back showing four roof cross members between front and aft roof rails

Front floor

Front floor

Rear floor

Rear floor

Rear floor, seatback panel

Rear floor, seatback panel

Under rear floor
Under rear floor
Under rear floor

Under rear floor

Rear floor showing rear suspension mount seat

Rear floor showing rear suspension mount seat

Rear floor brace

Rear floor brace

Front underfloor showing front side member

Front underfloor showing front side member

Rear wheelhouse inside

Rear wheelhouse inside

Rear floor rear bottom

Rear floor rear bottom

Trunk room inside

Trunk room inside

Trunk lid

Trunk lid

Rear door

Rear door

Front door

Front door

Front door guard bar

Front door guard bar

Front door guard bar

Front door guard bar

Window regulator with power window motor

Window regulator with power window motor (Denso Corp.)

Door lock actuator (for lock knob)

Door lock actuator
(for lock knob)

Door lock actuator(for lock)

Door lock actuator
(for lock)

Rear bumper reinforcement

Rear bumper reinforcement

Rear bumper
Rear bumper
Rear bumper

Rear bumper

Side mirror

Side mirror (Tokai Rika Co., Ltd.)



Acoustic insulation/absorption materials, aerodynamic parts

Engine room

Engine room

Engine room rubber sealing

Engine room rubber sealing

Radiator core support top cover

Radiator core support top cover

Front hood back

Front hood back

Engine cover

Engine cover

Engine cover back

Engine cover back

Front wheelhouse inner cover

Front wheelhouse inner cover

Acoustic absorbing material on front wheelhouse inner cover

Acoustic absorbing material on front wheelhouse inner cover

Dashboard insulator in the engine side

Dashboard insulator in the engine side

Dashboard insulator in the cabin side

Dashboard insulator in the cabin side

Front floor acoustic insulation/absorption materials

Front floor acoustic insulation/absorption materials

Front floor damping, acoustic insulation/absorption materials

Front floor damping, acoustic insulation/absorption materials

Front floor damping, acoustic insulation/absorption materials

Front floor damping, acoustic insulation/absorption materials

Front floor acoustic insulation/absorption materials

Front floor acoustic insulation/absorption materials

Floor carpet in place

Floor carpet in place

Back of floor carpet

Back of floor carpet

Floor carpet

Floor carpet

Foam urethane in A-pillar

Foam urethane in A-pillar

Back of roof trim
Back of roof trim
Back of front door trim

Back of front door trim

Back of rear door trim

Back of rear door trim

Underfloor aerodynamic parts

Underfloor aerodynamic parts

Engine undercover in the engine room side

Engine undercover in the engine room side

Engine undercover rear

Engine undercover rear

Top of radiator baffle plate

Top of radiator baffle plate

Back of radiator baffle plate

Back of radiator baffle plate

Diffusers at front floor side

Diffusers at front floor side

Diffuser at front floor center
Diffuser at front floor center
Diffuser at rear floor rear edge

Diffuser at rear floor rear edge



Interior, safety, air-conditioning, cooling

Cabin front interior before teardown

Cabin front interior before teardown

Cabin rear interior before teardown

Cabin rear interior before teardown

Front seats

Front seats

Rear seat cushion

Rear seat cushion

りRear seatback

Rear seatback

Back of rear seatback

Back of rear seatback

Front door trim
Front door trim
Rear door trim

Rear door trim

C-pillar trim

C-pillar trim

Back of C-pillar trim

Back of C-pillar trim

Steering member, A/C unit

Steering member, A/C unit

Steering member, A/C unit

Steering member, A/C unit

Steering member, A/C unit

Steering member, A/C unit

Steering member body mount seat

Steering member body mount seat

Instrument panel

Steering member mount holes in A-pillar

Steering member mounts to A-pillar

Steering member mounts to A-pillar

Instrument panel

Instrument panel

Back of instrument panel

Back of instrument panel

Center cluster panel with center ventilators

Center cluster panel with center ventilators

Back of center cluster panel with center ventilators

Back of center cluster panel with center ventilators

Glove compartment

Glove compartment

Glove compartment

Glove compartment

Front passenger knee airbag unit

Front passenger knee airbag unit(Toyoda Gosei Co., Ltd.)

Front passenger knee airbag unit

Back of front passenger knee airbag unit(Toyoda Gosei Co., Ltd.)

Instrument panel lower cover in driver’s footwell

Instrument panel lower cover in driver’s footwell

Instrument panel lower cover in driver’s footwell

Back of instrument panel lower cover in driver’s footwell

Center console panel with shift indicator and cup holders

Center console panel with shift indicator and cup holders

Back of center console panel

Back of center console panel

Dome lamp
Dome lamp
Back of dome lamp

Back of dome lamp

Front seatbelt with shoulder adjuster
Front seatbelt with shoulder adjuster (Tokai Rika Co., Ltd.)
Rear seatbelt

Rear seatbelt (Autoliv製)

A/C compressor  Denso Corp.

A/C compressor (Denso Corp.)

A/C unit  Denso Corp.

A/C unit (Denso Corp.)

A/C unit  Denso Corp.

A/C unit (Denso Corp.)

A/C condenser Denso Corp.

A/C condenser (Denso Corp.)

Cooling unit electric fan Denso Corp.

Cooling unit electric fan (Denso Corp.)

Radiator

Radiator



Electrical

Headlamp Koito Manufacturing Co., Ltd.
Headlamp
(Koito Manufacturing Co., Ltd.)
Headlamp Koito Manufacturing Co., Ltd.

Headlamp
(Koito Manufacturing Co., Ltd.)

Rear combination lamp Stanley Electric Co., Ltd.

Rear combination lamp
(Stanley Electric Co., Ltd.)

Combination meter Denso Corp.

Rear combination lamp
(Stanley Electric Co., Ltd.)

Combination meter  Denso Corp.

Combination meter
(Denso Corp.)

Combination meter  Denso Corp.

Back of combination meter
(Denso Corp.)

Combination meter  Denso Corp.

Combination meter circuit board
(Denso Corp.)

Combination meter  Denso Corp.

Combination meter circuit board
(Denso Corp.)

Back of meter display

Back of meter display
(Japan Display Inc.)

Meter display

Meter display
(Japan Display Inc.)

Combination switch  Panasonic Corp.

Combination switch
(Panasonic Corp.)

Steering angle sensor  Panasonic Corp.

Steering angle sensor
(Panasonic Corp.)

Steering angle sensor  Panasonic Corp.
Steering angle sensor
(Panasonic Corp.)
Airbag ECU & sensor  Denso Corp.

Airbag ECU & sensor
(Denso Corp.)

Wiper motor  Mitsuba Corp.

Wiper motor
(Mitsuba Corp.)

Wiper blade

Wiper blade

Trunk lid cable (retractable)  Yazaki Corp.

Trunk lid cable (retractable)
(Yazaki Corp.)

Trunk lid cable (retractable)  Yazaki Corp.

Trunk lid cable (retractable)
(Yazaki Corp.)

Smart key sensor behind rear bumper Aisin Seiki

Smart key sensor behind rear bumper (Aisin Seiki)

ECU Denso Corp.

ECU
(Denso Corp.)

Power steering control unit ジェイテクト製

Power steering control unit
(JTEKT Corp./Denso Corp.)

Alternator  Denso Corp.

Alternator
(Denso Corp.)

Starter motor  Denso Corp.

Starter motor
(Denso Corp.)

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Keyword: Toyota, Crown, Teardown

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