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

Backdoor Warning Light: Inspection

Disconnect the connector from the back door unlock warning switch. Connect the wire harness side connector and body ground. Turn the ignition switch on. Check that the bulb lights. If operation is not as specified, remove and test the bulb.

Fig 1: Backdoor Warning Light Schematic
G50D02005Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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.