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.

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HOMESERVICE MANUALSSCION2007TC BASE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONCOMPUTER RELEARNENGINE CONTROL SYSTEM (2AZ-FE)ECMINSTALLATION

2007 Scion tC Base, Automatic

Engine Control System (2AZ-FE): ECM: Installation

2007 Scion tC Base, AutomaticSECTION Installation

INSTALL ECM
1. Install the No. 2 ECM bracket with the 2 screws.
  Torque: 3.0 N*m (30 kgf*cm, 27 in.*lbf)
  
  Fig 1: Locating No. 2 ECM Bracket Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the No. 1 ECM bracket with the 2 screws.
  Torque: 3.0 N*m (30 kgf*cm, 27 in.*lbf)
  
  Fig 2: Locating No. 1 ECM Bracket Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the ECM with the bolt and screw.
  Torque: 5.0 N*m (50 kgf*cm, 44 in.*lbf) for bolt
  
  3.0 N*m (30 kgf*cm, 27 in.*lbf) for screw
  
  Fig 3: Locating ECM With Bolt And Screw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the 5 ECM connectors.
5. Install the wire harness clamp.
INSTALL GLOVE COMPARTMENT DOOR (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
PERFORM INITIALIZATION
1. Perform initialization (see INITIALIZATION ).
  NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

RENDER: 1.0x

NO RELATED

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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.