1987 Toyota 4Runner SR5, 22-RTEFACTORY OEM SERVICE PROCEDURE

Door Lock Detection Switch

Inspect the switch continuity between terminals.

LOCK DETECTION SW. CONTINUITY INSPECTION (1)

Switch Position Terminal No.
Unlock (Back Door Opened) 1 & 2
Locked (Back Door Closed) 1 & 3
(1) If continuity is not as specified, replace the switch.
NOTE: When the locked position, lock the left side back door lock assembly by push into the screwdriver or such to the lock assembly.
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:

  • 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.

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