Toyota Truck Essentials I

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KEY STORY4-WHEEL DRIVE
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KEY STORY 4-WHEEL DRIVE

• Describe different drive systems
• Understand the operation of 2-wheel and
  4-wheel-drive systems
• Identify customer benefits of 2-wheel and
  4-wheel-drive systems

IMG_9018lores
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TRUCK DRIVETRAINS
Rear-wheel drive
4-wheel drive
2WD_TruckPart_Time_4WD
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REAR-WHEEL DRIVE (2WD)

• Transmission drives rear wheels
• Works best on dry pavement and normal driving

2WD_Truck
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PART-TIME 4-WHEEL DRIVE

• Provides traction to all four wheels
• Driver must engage 4-wheel drive (4-Hi or 4-Lo)
• Once engaged, power is delivered to all four
  wheels

Part_Time_4WD
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FULL-TIME 4-WHEEL DRIVE

• Power split to all four wheels is continuous
  through thetransfer case
• Power is split evenly between front and rear
  wheels
• Driver operation is not required

Full_Time_4WD
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TOYOTA 4-WHEEL-DRIVE SYSTEMS

• Reference 4-wheel-drive truck and SUV systems as
  4-wheel drive not all-wheel drive
• 4-wheel drive denotes off-road capability
• All-wheel drive denotes on-road only operation

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TOYOTA 4-WHEEL-DRIVE SYSTEMS

• Part-time 4-wheel-drive systems
• Tacoma and Tundra trucks
• FJ Cruiser (automatic transmission)

• Full-time 4-wheel-drive systems
• Land Cruiser
• FJ Cruiser (manual transmission)
• 4Runner
• Highlander
• RAV4
• Sienna
• Matrix
• Venza

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4-WHEEL DRIVE FEATURES
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A-TRAC

• Standard on Tundra, Tacoma, and truck-based 4x4
  SUVs
• Simulates front and rear limited-slip
  differentials operation
• Brakes spinning wheel and transfers torque to the
  wheel or wheels with the best traction

Wheel_Slip_Auto_rev
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4WDEMAND (PART-TIME 4-WHEEL-DRIVE SYSTEM) MODE
SELECTIONS

• Knowledgeable customers
• Practice, practice, practice before demonstration

4WDemand_Part_Time
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4-WHEEL DRIVE SUMMARY

• Part-Time 4-Wheel Drive
• Well-proven, tough design
• 50/50 power delivery to front and rear axles
• Great for fuel economy
• Available locking rear differential
• Auto LSD
• A-TRAC

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