Section 552 (Back Door Control System - Diagnostics): Pre-Check

2004 Toyota Matrix XR, FWD, StandardSECTION Pre-Check
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. DATA LISTΒ 
    NOTE: According to the DATA LIST displayed by the hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.
    1. Connect the hand-held tester to the DLC3.
    2. Turn the ignition switch ON.
    3. According to the display on tester, read the "DATA LIST".
    Fig 1: Data List
    G02838884Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
  2. ACTIVE TESTΒ 
    NOTE: Performing the ACTIVE TEST using the hand-held tester allows the relay, VSV, actuator and so on to operate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time.

    It is possible to display the DATA LIST during the ACTIVE TEST.

    1. Connect the hand-held tester to the DLC3.
    2. Turn the ignition switch ON.
    3. According to the display on tester, perform the "ACTIVE TEST".

    ACTIVE TEST

    Item Test details Diagnostic Note
    DOOR LOCK Drive The Door Lock Motor At Rear Door LOCK/UNLOCK -
    P/W UP/DOWN Drive The P/W Motor UP/DOWN During This ACTIVE TEST, Jam Protection Caught Detection Can Be Monitored. (Refer To The DATA LIST For Details)
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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.