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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 862 (TROUBLESHOOTING)DESCRIPTIONPASSENGER SIDE JUNCTION BLOCK CONTROL SYSTEM
2004 Toyota Matrix XR, FWD, Standard

PASSENGER SIDE Junction Block CONTROL SYSTEM

2004 Toyota Matrix XR, FWD, StandardSECTION PASSENGER SIDE Junction Block 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.
PASSENGER SIDE J/B CONTROL SYSTEM - TROUBLESHOOTING

Control ECU Master control system Sub control system
Passenger side J/B control ECU
  • Illumination and interior light system (Vanity light, Interior light, Front personal light, Step light, Outer foot light (in outer mirror) Ignition key illumination, Door courtesy light)
  • Passenger side buckle illumination
  • Illuminated entry system
  • Wiper and washer system
  • Electric tension reducer system
  • Headlight beam level control system
  • Combination meter (Pad wear indicator light)
  • LEXUS navigation system
  • Seat belt warning system
  • Power shoulder belt anchorage system
  • Rear sunshade system
  • Adaptive radar cruise control system (Auto wiper system signal)
RENDER: 1.0x

NO RELATED

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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.