2003 Toyota Matrix Base, 4WDFACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Miscellaneous

MISCELLANEOUS LOCATION

Component Component Location
Antenna Amplifier Behind right side of dash. See Figure.
Blower Resistor Below right side of dash, in heater-A/C housing. See Figure.
Data Link Connector No. 3 Below left side of dash. See Figure.
Door Control Receiver At right "D" pillar. See Figure.
Ignition Coil & Ignitor (4) On top of cylinder head, above respective cylinder.
Noise Filter On instrument panel J/B.
Noise Filter (Ignition) (Except XRS) On rear of engine. See Figure.
Noise Filter (Ignition) (XRS) On left rear of engine. See Figure.
Noise Filter (Rear Window Defogger) At left "D" pillar.
Pretensioner (Left) At bottom of left "B" pillar. See Figure.
Pretensioner (Right) At bottom of right "B" pillar. See Figure.
Radiator Fan Resistor At left front of engine compartment. See Figure.
Voltage Inverter Under left front seat. See Figure.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.