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December 30,
2005
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Chassis and Suspension The FJ Cruiser's tough, wide stance is based around a frame and front-and-rear suspension systems adapted from those found on the 120-Series Prado (Land Cruiser Prado in some markets). The frame is a boxed steel ladder-braced unit to which is mounted the FJ Cruiser's welded steel body. Independent front suspension, which offers a generous 7.87 inches of wheel travel for outstanding suspension articulation, is via double wishbones, the geometry of which is adapted for superior road feel and ride comfort. Tubular shock absorbers and an anti-sway bar also are employed.
A solid rear axle using a four-link coil-spring suspension system with a lateral rod, tubular shock absorbers and an anti-sway bar is employed. This system provides 9.1 inches of wheel travel. All 4x2 FJ Cruisers come standard with a virtual automatic limited-slip differential, provided and operated by an advanced traction-control system to enhance traction of both rear wheels in slippery driving conditions. An electronic locking rear differential with an eight-inch ring gear is available. The ring gear in the front differential of the 4x4 FJ Cruiser also measures eight inches. The front/rear differential gear ratio is 3.727:1 (5 A/T) and 3.909:1 (6 M/T). Finally, the disc-brake system uses ventilated 12.6-inch/front and 12.3-inch/rear rotors. Steering is provided by a variable-ratio, hydraulically assisted rack-and-pinion system. Wheels are standard 17-inch steel, optional 17-inch, six-spoke aluminum. With the FJ Cruiser's standard 32-inch tires, ground clearance is a healthy 9.6 inches, 8.7 inches for 4x2. Approach and departure angles are 34 degrees/30 degrees for the 4x4 FJ Cruiser and 32/29 for the 4x2 version. Gross Vehicle Weight Rating (GVWR) is 5330 (4x2) and 5570 (4x4), and maximum towing capacity with the optional Class Four receiver hitch is 5,000 pounds. Engine and Transmissions The FJ Cruiser is powered by a high-compression 4.0L (242.1 c.i.) V6 engine, a 24-valve, double-overhead-cam (DOHC) unit that produces 239 horsepower and 278 lb-ft of torque – nearly double the numbers produced by the six-cylinder engine of the FJ40. Many special engineering touches help make this engine a model of efficiency, power and smoothness. These include Toyota's Variable Valve Timing with intelligence (VVT-i) system; special lightweight pistons with resin-coated skirts to help reduce friction and noise; a two-stage, variable-length intake manifold, which improves mid-range to high-speed performance; newly designed 12-orifice fuel injectors; Toyota's Direct Ignition System (DIS), which eliminates the distributor and its associated wiring; and a lightweight electronic throttle. The EPA lists the FJ Cruiser's city/highway fuel-economy ratings at 18/22 mpg (4x2) and 17/21 mpg (4x4 automatic). The quietness of the engine's operation comes in part because of special sound-absorbing material present under the engine cover. Its pleasing exhaust note, meanwhile, is shaped by a specially designed exhaust system that provides for efficient elimination of exhaust gasses with minimal backpressure. The FJ Cruiser's dual catalytic converters and its sophisticated fuel-delivery system help it meet the stringent LEV II/Tier 2 Bin 5 emissions standards. A choice between an electronically shifted five-speed automatic transmission and a six-speed manual transmission is available for 4x4 models of the FJ Cruiser. (The 4x2 model of the FJ Cruiser is available only with a 5-speed automatic transmission.) The automatic transmission features Artificial Intelligence (AI) Shift Control, a system that automatically varies the transmission's shifting pattern based on road conditions and the driver's intent to provide optimal up- and down-shifting. It also employs Toyota's Flex Lock-Up Control, which is added to the basic locking torque converter. Flex Lock-Up allows the clutch in the torque converter to maintain a half-engaged position, enhancing fuel efficiency and increasing the lock-up clutch's operation range. Of this transmission's five forward gear ratios, fourth gear is direct 1:1 and fifth gear is an overdrive 0.716:1. This transmission is shifted via a sporty console-mounted, gate-type shift lever. In addition to being displayed on the shifter gate, shifter position also is displayed in the instrument panel. The six-speed manual transmission is designed for lightness and shifting ease. Of this transmission's six forward gear ratios, fifth gear is a direct 1:1 and sixth gear is an overdrive 0.799:1. The shift pattern is the standard three-plane double-H, with Reverse in an additional plane to the far left and up. The two-speed transfer case used in the 4x4 FJ Cruiser is the essential link that routes power from the engine through the transmission and to the front and rear axles. In standard-transmission models, it is the same full-time four-wheel-drive transfer case used in the V6-powered 4x4 4Runner. This transfer case features a Torsen limited-slip center differential with a locking feature and distributes the engine's power 40-percent/front and 60-percent/rear in most driving conditions. It changes this distribution percentage as needed, based on steering angle and wheel slippage. When locked, it distributes power, front to rear, on a 50/50 basis. The system helps make the FJ Cruiser less prone to tire slippage caused by changes in road conditions. With automatic-transmission models, FJ Cruiser gets a part-time transfer case. When the transfer cases are in high range, their output ratio is 1:1. When shifted into low range, their gear ratio is 2.566:1. With the automatic transmission, the FJ Cruiser's crawl ratio is 33.76:1. With the manual transmission, the crawl ratio is 41.84:1, a fact that helped the FJ Cruiser traverse California's famed Rubicon Trail last September. Comfort/Interior The FJ Cruiser's interior features a dash that is bordered by upper and lower tubular forms, which frame rectangular-shaped flat panels. Control knobs are large enough to provide easy grip, even when wearing gloves, and switches for critical functions, including HVAC, audio controls and the optional locking rear differential, are mounted in the center dash panel within easy reach of the driver. With the optional upgrade packages, the front interior door panels are color-keyed to the exterior color. A standard full gauge package, including speedometer, tachometer, amp meter, temperature gauge and fuel gauge, uses round, black-on-white dials and gauges for enhanced visibility. Warning lights monitor other functions, and an oil- maintenance indicator notifies the driver when the FJ Cruiser's engine oil is due to be changed. Seating is especially adaptable in the FJ Cruiser. The driver's seat is adjustable in eight ways to help drivers of all sizes and shapes find their most comfortable driving positions. The passenger seat is adjustable in four ways. The rear seat is split 60/40, with folding (removable) bottom and back cushions that convert to a nearly flat cargo floor. Additionally, for 4x4 enthusiasts with young families, the FJ Cruiser uses Toyota's LATCH child-restraint system. Because the FJ Cruiser is optimized for dusty, muddy driving environments, easy cleaning and maintenance are important elements of its interior. Seating materials are not only water-repellant, but also provide excellent ventilation. Seats are covered with a fabric backed by a special breathable resin coating to enhance the material's ability to shed liquids so that seats can easily be wiped down and cleaned. Even the stitched seams of the seat covers are treated with sealant to prevent liquids from penetrating the seams. Also as an aid to easy cleaning, the FJ Cruiser's floor surfaces are covered with an attractive gray rubber-like material. Safety Dual-stage front driver and passenger advanced airbags are standard with the FJ Cruiser. Two rows of side-curtain airbags, as well as driver and front-passenger seat-mounted side airbags, are available as options. As with all other Toyota SUVs, the FJ Cruiser is equipped with Toyota's Star Safety System. This includes Vehicle Stability Control (VSC), Traction Control (TRAC), an Antilock Brake System (ABS), Electronic Brake Force Distribution (EBD) and Brake Assist. Four-channel, four-sensor ABS helps prevent the wheels from locking under hard braking, while EBD distributes appropriate braking force between the front and rear wheels according to driving conditions. The traction-control system (TRAC) helps reduce tire slippage during slippery or challenging driving conditions, and the VSC system helps keep the FJ Cruiser on the driver's intended course by detecting front- and/or rear-wheel slide during cornering and attempting to control slide conditions via torque intervention and/or braking of individual wheels. Photos: Toyota (Dec 26, 2005)
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