Installation [10/2017 - 10/2023]: Procedure

INSTALL MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Hold the main body ECU (multiplex network body ECU) with your dominant hand.

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NOTE:

Do not touch the connector.
Make sure foreign matter does not enter the terminals.

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Connector

Hold the instrument panel junction block assembly with your other hand.

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*a	Fitting Surface

NOTE:

Make sure there is no foreign matter in the fitting surface.

Set the guide of the main body ECU (multiplex network body ECU) against the housing sidewall.

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*a	20° or more
	Install in this Direction
	Housing Sidewall

HINT:

Make sure the angle between the instrument panel junction block assembly and the main body ECU (multiplex network body ECU) is 20° or more.

Slide the guide of the main body ECU (multiplex network body ECU) along the housing sidewall in the direction indicated by the arrow.

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	Install in this Direction
	Housing Sidewall

Slide it until it contacts side A.

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	Install in this Direction
	Side A

Contact side A.

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Install in this Direction

NOTE:

Do not contact side A with the main body ECU (multiplex network body ECU) too hard.

While pressing the main body ECU (multiplex network body ECU) against side A (center of rotation) of the instrument panel junction block assembly, rotate it until it enters the lock of the instrument panel junction block assembly.

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*a	Center of Rotation (Contacts Surface A)
	Rotate in this Direction

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*a	Center of Rotation (Contacts Surface A)
	Rotate in this Direction

HINT:

The center of rotation is the one that contacts surface A.

Rotate it until it enters the lock of the instrument panel junction block assembly.

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*a	Before Locking	*b	Main Body ECU (Multiplex Network Body ECU) Lock
*c	Instrument Panel Junction Block Assembly Lock	-	-

Press the pressing area of the main body ECU (multiplex network body ECU).

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	Install in this Direction
	Pressing Area

NOTE:

Press it in one of the following ways.

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*a	Press the 2 sides of the main body ECU (multiplex network body ECU) with both hands.	*b	Press the center of the main body ECU (multiplex network body ECU) with one hand.
	Place fingers or the palm of your hand here	-	-

Check the engagement of the main body ECU (multiplex network body ECU) and the instrument panel junction block assembly by the locking sound.
Do not hit on or put your weight on the main body ECU (multiplex network body ECU) when engaging the main body ECU (multiplex network body ECU).

Check that the back side of the main body ECU (multiplex network body ECU) and the rib surrounding the instrument panel junction block assembly are the same height.

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*a	Back Side of Main Body ECU (Multiplex Network Body ECU)
*b	Rib Surrounding Instrument Panel Junction Block Assembly

*a	After Locking (Height Matches)	*b	Back Side of Main Body ECU (Multiplex Network Body ECU)
*c	Rib Surrounding Instrument Panel Junction Block Assembly	-	-
	Confirm Visually	-	-

Attach the claw.

Install the wiring harness clamp bracket with the nut.
Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf)

INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU

Attach the claw to connect the 2 lever connectors.

NOTE:

Be sure to connect the lever connector securely.

*a	Lever Connector	-	-
	Rotate in this Direction	-	-

Attach the clamp.

Connect the 5 connectors.

*a	Lever Connector	-	-
	Rotate in this Direction	-	-

Attach the claw to connect the 2 lever connectors.
NOTE:
Be sure to connect the lever connector securely.

Install the instrument panel junction block assembly with main body ECU with the 2 nuts.

Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf)

Connect the ECU with the 2 nuts.

INSTALL NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY
Refer to PROCEDURE - Step 16 [10/2017 - 10/2020] , or refer to PROCEDURE - Step 16 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 16 [11/2021 - 10/2023]
INSTALL NO. 1 HEATER TO REGISTER DUCT
Refer to PROCEDURE - Step 10 [10/2017 - 09/2019] , or refer to PROCEDURE - Step 10 [09/2019 - 10/2020] , or refer to PROCEDURE - Step 9 [10/2020 - 10/2023]
INSTALL NO. 1 AIR DUCT SUB-ASSEMBLY
Refer to PROCEDURE - Step 11 [10/2017 - 09/2019] , or refer to PROCEDURE - Step 11 [09/2019 - 10/2020] , or refer to PROCEDURE - Step 10 [10/2020 - 10/2023]
INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
Refer to INSTALLATION [10/2017 - 10/2020] , or refer to INSTALLATION [10/2020 - 11/2021] , or refer to INSTALLATION [11/2021 - 10/2023]