Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2009 Toyota Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE

DECELERATION SENSOR (for 4WD without VSC): Removal

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
REMOVE FRONT SEAT ASSEMBLY
HINT:

Refer to the instructions for Removal of the front seat assembly (w/o Seatback Board) (See REMOVAL ).
REMOVE DECELERATION SENSOR
1. Remove the 2 bolts and yaw rate sensor bracket with deceleration sensor.
  
  Fig 1: Locating Yaw Rate Sensor Bracket Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the connector and clamp from the deceleration sensor.
  NOTE: Do not remove the installation nuts.

Chapter Navigation

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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.