2001 Toyota 4Runner BaseFACTORY OEM SERVICE PROCEDURE

Key Unlock Warning Switch

Remove upper and lower steering column covers. Disconnect wiring harness connector from key unlock warning harness. With ignition key removed from ignition lock cylinder, continuity should not be present between switch terminals. With key inserted in ignition lock cylinder, continuity should be present between both terminals. Replace key unlock warning switch if continuity is not as specified.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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