Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check the power window switch circuit using DTC check. See DTC B1225/25: POWER WINDOW SWITCH CIRCUIT (REAR RIGHT) & DTC B1226/26: POWER WINDOW SWITCH CIRCUIT (REAR LEFT) under DIAGNOSTIC TESTS under MULTIPLEX COMMUNICATION SYSTEM article under COMMUNICATION DEVICES in ACCESSORIES & EQUIPMENT. If the results are OK, perform the next test procedure of the problem symptom. See PROBLEM SYMPTOM INDEXΒ  table. If the results are not good, go to the next step.
  2. Check the power window switch. See POWER WINDOW SWITCH (PASSENGER & REAR)Β  under COMPONENT TESTS. If the results are OK, go to the next step. If the results are not good, replace the power window switch. See DOOR TRIM PANEL (REAR) under REMOVAL & INSTALLATION under POWER DOOR LOCKS & LIFTGATE RELEASE article under DOOR LOCKS & ANTI-THEFT SYSTEMS in ACCESSORIES & EQUIPMENT.
  3. Check the wiring harness and connector between the power window switch and appropriate rear door ECU. If the results are OK, go to the next step. If the results are not good, repair or replace the wiring harness or connector.
  4. Check the wiring harness and connector between the power window switch and power window master switch. If the results are OK, perform the next test procedure of the problem symptom. See PROBLEM SYMPTOM INDEXΒ  table. If the results are not good, repair or replace the wiring harness or connector.
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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.