2002 Toyota 4Runner BaseFACTORY OEM SERVICE PROCEDURE

For Vehicles Equipped With Control (VSC) System

WARNING:
  • Even if T AC is initially OFF, it automatically becomes ON when the vehicle speed becomes about 19 mph or more. Therefore, please drive in the test mode to avoid dangerous situations caused by the TRAC control
  • VSC/ABS may fail when the vehicle is driven on the two-wheel chassis dynamometer. Therefore, after driving on the chassis dynamometer, please clear DTC before normal driving. Please refer to CLEARING CODES for the method of clearing DTC.
  • Fasten the vehicle with the lock chain.
  1. Confirm VSC system is OFF.
    1. Turn the ignition switch OFF.
    2. Using SST, connect terminals Ts and E1 of DLC1. SST 09843-18020.
      Fig 1: Locating Terminals E1 & Ts Of DLC1
      G00372044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Start the engine.
    4. Check that the VSC TRAC warning light blinks.
      Fig 2: Locating TRAC Warning Light
      G00372045Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. After the measurement, remove the SST and restart the engine. At this time make sure that the VSC TRAC warning light is off.
  2. Notice for VSC operation:
    1. Remove and reinstall of VSC-related components may misadjust them. Do not remove or reinstall them without necessary
    2. When conducting VSC-related operations, do not fail to make sure that the preparation and the finishing of the operation are all performed in accordance with the direction in this text.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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