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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 852 (DRIVER DOOR CONTROL SYSTEM - DIAGNOSIS)PROBLEM SYMPTOMS TABLEPOWER SEAT CONTROL SYSTEM
2004 Toyota Matrix XR, FWD, Standard

Power Seat Control System

2004 Toyota Matrix XR, FWD, StandardSECTION Power Seat Control System
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
POWER SEAT CONTROL SYSTEM

Symptom Suspect Area See Section
Driving position memory system does not operate.
  1. Memory switch circuit (w/ memory)
  2. Power seat control ECU
  3. Driver door ECU
  1. DRIVING POSITION MEMORY SWITCH CIRCUIT (W/ MEMORY) 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
RENDER: 1.0x

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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.