Toyota 4Runner: Installation

Toyota 4Runner Service Manual / Power Source / Network / Power Distribution / Main Body Ecu / Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

A bolt without a torque specification is shown in the standard bolt chart (See page ).

PROCEDURE

1. INSTALL MULTIPLEX NETWORK BODY ECU

NOTICE:

Make sure that no foreign objects contact the connecting surfaces.
Do not touch the ECU connector.

(a) Insert the multiplex network body ECU until it contacts the housing sidewall of the guide part as shown in the illustration.

Text in Illustration

*1	Housing Sidewall
*2	Guide Part

HINT:

Be sure to maintain an angle of 20° or more as shown in the illustration.

(b) Slide the guide of the multiplex network body ECU along the housing sidewall toward the junction block fuses as shown in the illustration.

Text in Illustration

*1	Housing Sidewall
*2	Guide Part
*3	Junction Block Fuse

Text in Illustration

Side A

NOTICE:

Do not apply excessive force to the multiplex network body ECU.

(d) With the multiplex network body ECU contacting side A of the junction block (point of rotation), rotate it downward as shown in the illustration.

Text in Illustration

*1	Side A Contact Portion

(e) Press the pushing area until the claw attaches to install the multiplex network body ECU.

Text in Illustration

*1	Pushing Area

NOTICE:

Make sure to press only the pushing area.
Confirm the engagement of the multiplex network body ECU and junction block by listening for a lock sound.
Do not apply excessive force to the multiplex network body ECU.

HINT:

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

2. INSTALL DRIVER SIDE JUNCTION BLOCK ASSEMBLY

(a) Attach the claw to install the connector as shown in the illustration.

NOTICE:

Be sure to connect each connector securely.

(b) Attach the 2 claws to lock the connector lock as shown in the illustration.

NOTICE:

Be sure to connect the connector securely.

(d) Install the driver side junction block assembly with the bolt and 2 nuts.

Torque:

for Bolt :

13 N·m {133 kgf·cm, 10 ft·lbf}

for Nut :

8.0 N·m {82 kgf·cm, 71 in·lbf}

(e) Connect the connector labeled (2).

NOTICE:

Be sure to connect each connector securely.

(f) Connect the 2 connectors labeled (1) as shown in the illustration.

NOTICE:

Be sure to connect each connector securely.

(g) Connect the 3 connectors.

NOTICE:

Be sure to connect each connector securely.

3. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

4. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY

5. INSTALL NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH

6. INSTALL COWL SIDE TRIM BOARD LH

7. INSTALL DOOR SCUFF PLATE ASSEMBLY LH

8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

9. CHECK SRS WARNING LIGHT

(a) Check the SRS warning light (See page ).

Removal

REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS sys ...

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