2004 Toyota Matrix Base, 4WDFACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Miscellaneous

MISCELLANEOUS LOCATION

Component Location
Airbag Squib (Front Passenger Airbag Assembly) Behind right side of dash. See Figure.
Airbag Squib (Steering Wheel Pad) Under steering wheel pad. See Figure.
Antenna Amplifier Behind right side of dash. See Figure.
Blower Resistor Below right side of dash, in heater-A/C housing. See Figure.
CD Changer Under right front seat. See Figure.
Data Link Connector 3 Below left side of dash. See Figure.
Diode (Door Courtesy) At center of back door. See Figure.
Diode (IG Relay) Behind left end of dash. See Figure.
Door Control Receiver At right "D" pillar. See Figure.
Generator (Except XRS) At left front of engine. See Figure.
Generator (XRS) At left front of engine. See Figure.
Horn (Except XRS) At left front of engine compartment. See Figure.
Horn (XRS) At left front of engine compartment. See Figure.
Ignition Coil & Igniter No. 1 (Except XRS) At top of engine. See Figure.
Ignition Coil & Igniter No. 1 (XRS) At top of engine. See Figure.
Ignition Coil & Igniter No. 2 (Except XRS) At top of engine. See Figure.
Ignition Coil & Igniter No. 2 (XRS) At top of engine. See Figure.
Ignition Coil & Igniter No. 3 (Except XRS) At top of engine. See Figure.
Ignition Coil & Igniter No. 3 (XRS) At top of engine. See Figure.
Ignition Coil & Igniter No. 4 (Except XRS) At top of engine. See Figure.
Ignition Coil & Igniter No. 4 (XRS) At top of engine. See Figure.
Junction Connector 1 (Except XRS) At left side of engine compartment. See Figure.
Junction Connector 1 (XRS) At left side of engine compartment. See Figure.
Junction Connector 2 Behind left side of dash. See Figure.
Junction Connector 3, 4, 5 & 6 Behind right side of dash. See Figure.
Junction Connector 7 At right kick panel. See Figure.
Junction Connector 8, 9 & 10 At left rear of vehicle. See Figure.
Junction Connector 11 At left side of back door. See Figure.
Junction Connector 12 At right side of back door. See Figure.
Noise Filter On instrument panel J/B. See Figure.
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. See Figure.
Pretensioner LH At bottom of left "B" pillar. See Figure.
Pretensioner RH At bottom of right "B" pillar. See Figure.
Radiator Fan Resistor (Except XRS) At left front of engine compartment. See Figure.
Radiator Fan Resistor (XRS) At left front of engine compartment. See Figure.
Side Airbag Squib LH Near base of left "B" pillar. See Figure.
Side Airbag Squib RH Near base of right "B" pillar. See Figure.
Voltage Inverter Under left front seat. See Figure.
Factory Service Tools

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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.

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