Main Body Ecu: Installation: Installation

1. Insert the main body ECU up to the position it contacts the housing sidewall of the guide as shown in the illustration.
   Fig 1: Identifying Main Body ECU To Position Of Contact With Sidewall Of Guide

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *1	Housing Sidewall
   *a	20°

   HINT: 

   Make sure to keep the angle 20° or more as shown in the illustration.

2. Slide the guide of the main body ECU along the housing sidewall so that it contacts junction block fuses as shown in the illustration.
   Fig 2: Identifying Main Body ECU, Housing Sidewall & Junction Block Fuse

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *1	Housing Sidewall
   *2	Junction Block Fuse

3. While contacting the main body ECU to side A of the junction block (point of rotation), rotate it downward as shown in the illustration.
   Fig 3: Identifying Main Body ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a	Side A Contact Portion

4. Press the push area until the claw engages to install the main body ECU.
   Fig 4: Identifying Push Area

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a

   Push Area

   NOTE:

   • Make sure to press only the push area.
   • Confirm the engagement of the main body ECU and junction block by listening for the lock sound.

   HINT: 

   If a lock sound cannot be heard, visually check the lock part engagement. The engagement can also be confirmed if the main body ECU and junction block are flush.

1. Engage the claw to install the connector as shown in the illustration.
   Fig 5: Engaging Claw To Install Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   Be sure to engage each connector securely.

2. Engage the claw to lock the connector lock as shown in the illustration.
   Fig 6: Engaging Claw To Lock Connector

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3. Engage the claw to connect the connector as shown in the illustration.
   Fig 7: Engaging Connector & Claw

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   Be sure to engage each connector securely.

4. Engage the 2 clamps to connect the wire harness.
5. Engage the 6 claws to install the junction block bracket.
6. Install the driver side junction block assembly with the bolt and nut.

   Torque: 14 N*m (138 kgf*cm, 10 ft.*lbf) 

7. Engage the 2 claws to connect the 2 connectors (5) and (4) as shown in the illustration.
   Fig 8: Engaging Wire Harness, Claws & Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   Be sure to engage each connector securely.

8. Connect the 3 connectors (3), (2) and (1) as shown in the illustration.
   NOTE:

   Be sure to engage each connector securely.

9. Engage the clamp to connect the wire harness.

Refer to INSTALLATION