Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 222 (ENGINE IMMOBILIZER)PROGRAMMINGADDITIONAL MASTER KEY REGISTRATION

2004 Toyota Matrix XR, FWD, Standard

Additional Master Key Registration

2004 Toyota Matrix XR, FWD, StandardSECTION Additional Master Key Registration

WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

It is possible to register up to 7 master key codes including the already registered key code.
When any operation time described below is over, registration mode completes.
When the next procedure is performed while the timer is working, the timer completes counting time, then the next timer starts.
When replacing the Ignition Cylinder Key Set or Lock Cylinder Set, register according to the following procedure using the original master key. However, after the registration of the additional master key, the original master key and the original sub-key are not necessary any more, so erase the registration of those key codes.

There are 2 ways for registration of an additional master key:

Depressing Brake and Acceleration Pedals

Refer to the flowchart, see Fig 1.

Using Hand-Held Tester

Refer to the flowchart, see Fig 2.

Fig 1: Identifying Additional Master Key Registration Flowchart (Using Brake & Accelerator Pedal)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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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.