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.
2012 Toyota Matrix AWD L4-2.4L (2AZ-FE)FACTORY OEM SERVICE PROCEDURE
Installation
DOOR LOCK: DOOR CONTROL RECEIVER: INSTALLATION
1. INSTALL DOOR CONTROL RECEIVER
(a) Install the door control receiver with the bolt.
(b) Connect the connector.
2. INSTALL ROOF SIDE INNER GARNISH RH
HINT
Use the same procedure for the RH side and LH side Installation.
3. INSTALL QUARTER PILLAR GARNISH RH
HINT
Use the same procedure for the RH side and LH side Installation.
4. INSTALL SIDE DECK TRIM PANEL ASSEMBLY RH Installation
5. INSTALL NO. 1 LUGGAGE COMPARTMENT TRIM HOOK (for RH Side)
HINT
Use the same procedure for the RH side and LH side Installation.
6. INSTALL LUGGAGE HOLD BELT STRIKER ASSEMBLY (for RH Side)
HINT
Use the same procedure for the RH side and LH side Installation.
7. CONNECT REAR SEAT 3 POINT TYPE BELT ASSEMBLY RH Installation
8. INSTALL REAR SEAT SIDE GARNISH RH Installation
9. INSTALL REAR SEATBACK HINGE SUB-ASSEMBLY (for RH Side) Installation
10. INSTALL REAR DECK TRIM COVER Installation
11. INSTALL LUGGAGE COMPARTMENT TRAY Installation
12. INSTALL CHILD RESTRAINT SEAT TETHER ANCHOR Installation
13. INSTALL DECK FLOOR BOX RH Installation
14. INSTALL DECK FLOOR BOX LH Installation
15. INSTALL JACK ASSEMBLY Installation
16. INSTALL JACK CARRIER ASSEMBLY
17. INSTALL NO. 2 DECK BOARD Installation
18. INSTALL DECK BOARD ASSEMBLY Installation
19. INSTALL TONNEAU COVER ASSEMBLY (w/ Tonneau Cover)
20. INSTALL REAR SEATBACK ASSEMBLY RH Installation
21. INSTALL REAR SEATBACK INNER HINGE COVER (for RH Side) Installation
22. INSTALL REAR SEATBACK OUTER HINGE COVER (for RH Side) Installation
23. CONNECT REAR SEAT CENTER OUTER BELT ASSEMBLY Installation
24. INSTALL REAR SEAT CENTER HEADREST ASSEMBLY
25. INSTALL REAR SEAT HEADREST ASSEMBLY (for RH Side)
26. INSTALL REAR SEAT CUSHION ASSEMBLY Installation
27. INSTALL REAR DOOR OPENING TRIM WEATHERSTRIP RH Installation
28. INSTALL REAR DOOR SCUFF PLATE RH
HINT
Use the same procedure for the RH side and LH side Installation.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
