Backdoor Warning Light

1990 Toyota 4Runner 2D Utility, 3.0 V, AutomaticSECTION Backdoor Warning Light

Disconnect the connector from the back door unlock warning switch and ground the terminal No. 1 of the wire harness side connector. Turn the ignition switch on and check that the bulb lights. If operation is not as specified, remove and test the bulb.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.