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

Integration Relay: Installation

INSTALL INTEGRATION RELAY
1. Connect the 3 connectors.
  
  Fig 1: Locating Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Push the integration relay into the engine room relay block.
3. Install the No. 1 relay block cover.
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

Fig 2: Locating No. 1 Relay Block Cover
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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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.