Replace Key Fob Batteries

How to Open Your 1994 Toyota 4Runner Key Fob and Change Battery

How to Open Your 1994 Toyota 4Runner Key Fob and Change Battery

If your 4Runner keyless entry remote is not working well, the battery surely must to be changed. It's not complicated to change the battery in your key fob DIY. All tools, that you need is described below.

What type battery keyless entry remote require

Before starting disassembly keyless entry remote make sure that you have all required tools and materials: flat head screwdriver, one CR2025 battery and phillips head screwdriver.
  • 1xCR2025 battery
  • phillips head screwdriver
  • flat head screwdriver

Step by step guide

A button cell battery installed in the your key fob. Unscrew the back of the keyless entry remote. Spin the key fob over and find for at least one screw holding in the plastic.

Gently try to pry apart your key fob with pry tools. Remove CR2025 battery with flat head screwdriver.

Replace old battery with fresh one CR2025. Battery must be placed with the same polarity as was a previous. Your key fob will not work if you by mistake place battery wrong way.

When the new battery installed, check remote key fob by pressing buttons. If everything working properly, assemble your keyless entry fob's case in reverse order.

The last thing to do is put your cover back on fob. Carefully try to put the pieces together by hands from top to bottom. Inspect your key fob shell for gaps. If it is not firmly closed try to repeat last step. Screw the back of the keyless entry remote.

Video of key fob disassembly

How To Replace Toyota 4 Runner Key Fob Battery 1990 1991 1992 1993 1994

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Toyota 4Runner use 1xCR2025 batteries. Most CR2025 batteries are under $4-6 build upon the type, brand and size packaging you buy. Take your old battery to the store, to be sure.

Usually, after key fob battery change, reprogramming not required. Keyless entry remote reprogramming procedure often described in user's manual of your vehicle.

Replacing your key fob battery is easy to do in 1994 Toyota 4Runner. Most of car manufacturers think of the clients and make a special hole for keyless entry remote disassembly.

The cost to replace the battery inside remote key fob is $50-600 depending on the make and the service station.

Remote key fob batteries in modern cars should be replaced once in three or four years, but this will vary based on usage and battery quality. If your keyless entry remote decreased signal strength, you should replace batteries before it stop close doors and make problems for you.

These signs will warn you that it's probably time to replace battery in your Toyota 4Runner: multiple clicks to unlock or lock doors required, you didn't change battery more than 4 years, low key battery indicator on dashboard and signal strength reduced.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Toyota Models:

Fob Compatibility:

  1. FCC ID: BAB237131-056
  2. Models: 1994-2002 Toyota 4Runner