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 Yaris L4-1.5L (1NZ-FE)FACTORY OEM SERVICE PROCEDURE
Installation
1NZ-FE ENGINE CONTROL SYSTEM: ECM: INSTALLATION
INSTALLATION
1. INSTALL ECM BRACKET NO. 2
(a) Install ECM bracket No. 2 with the 2 screws.
2. INSTALL ECM BRACKET
(a) Install the ECM bracket with the 2 screws.
3. INSTALL ECM
(a) Install the ECM with the bolt and 2 nuts.
Torque: 8.0 Nm (82 kgf-cm, 71 in-lbf)
(b) Connect the 2 ECM connectors.
(c) Install the 2 lock knobs and harness clamp.
4. INSTALL COWL TOP PANEL OUTER (for Hatchback) Installation
5. INSTALL COWL TOP PANEL OUTER (for Sedan)
(a) Install the cowl top panel outer and install the 8 bolts.
Torque: 6.5 Nm (66 kgf-cm, 58 in-lbf)
(b) Install the cowl top panel outer center bracket and install the 2 bolts.
Torque: 6.5 Nm (66 kgf-cm, 58 in-lbf)
(c) Connect the wire harness and engage the claw.
6. INSTALL FRONT AIR SHUTTER SEAL (for Sedan)
(a) Install the front air shutter seal and engage the 3 claws.
7. INSTALL COWL TO REGISTER DUCT SUB-ASSEMBLY NO. 2 (for Hatchback) Installation
8. INSTALL WINDSHIELD WIPER MOTOR AND LINK (for Hatchback) Installation
9. INSTALL WINDSHIELD WIPER MOTOR AND LINK (for Sedan) Installation
10. INSTALL COWL TOP VENTILATOR LOUVER LH (for Hatchback) Installation
11. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for Hatchback) Installation
12. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for Sedan) Installation
13. INSTALL HOOD TO COWL TOP SEAL (for Hatchback) Installation
14. INSTALL COWL SIDE VENTILATOR SUB-ASSEMBLY LH (for Sedan) Installation
15. INSTALL COWL SIDE VENTILATOR SUB-ASSEMBLY RH (for Sedan) Installation
16. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH (for Hatchback) Installation
17. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH (for Sedan) Installation
18. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH (for Hatchback) Installation
19. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH (for Sedan) Installation
20. INSTALL FRONT WIPER ARM HEAD CAP (for Hatchback) Installation
21. INSTALL FRONT WIPER ARM HEAD CAP (for Sedan) Installation
22. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Torque: 5.4 Nm (55 kgf-cm, 48 in-lbf)
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:
- • 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.
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