Description & Operation: Introduction

2004 Toyota Matrix XR, FWD, StandardSECTION Introduction
WARNING: This page does not describe the selected car, but rather 45 other vehicles, including the 2002 Toyota Tundra, 2002 Toyota Tacoma, 2002 Toyota Sienna, 2002 Toyota Sequoia, and 2002 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

Transaxle/transmission is equipped with an electronically controlled shift interlock and key interlock system. See COMPONENT LOCATIONSΒ . Shift interlock system prevents gearshift lever from being moved from Park unless brake pedal is depressed. In case of a malfunction, gearshift lever can be released by depressing shift interlock override button, located near gearshift lever under small plastic cover (if equipped). Key interlock system prevents ignition key from being moved from ACC to LOCK position on ignition switch unless gearshift lever is in Park position.

System consists of brakelight switch (also referred to as stop lamp switch), key interlock solenoid, shift interlock control Electronic Control Unit (ECU), shift interlock solenoid and shift interlock release button. All models may not be equipped with all components.

NOTE: Sequoia, Sienna and Tundra models are equipped with cable operated shift interlock system. See SHIFT INTERLOCK SYSTEM OPERATION CHECK (CABLE OPERATED)Β  and ADJUSTMENTSΒ  .
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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.