Toyota Tacoma (2015-2018) Service Manual: Installation

Toyota Tacoma (2015-2018) Service Manual / Power Distribution / Main Body Ecu / Installation

INSTALLATION

PROCEDURE

1. INSTALL MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NOTICE:

Make sure that the connecting surfaces are free of foreign matter.
Do not touch the main body ECU (multiplex network body ECU) connector.

(a) Set the main body ECU (multiplex network body ECU) to the position where the 2 guides of the main body ECU (multiplex network body ECU) contacts the housing sidewall of the driver side junction block as shown in the illustration.

Text in Illustration

*a	Driver Side Junction Block for Housing Side
*b	20° or more

HINT:

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

(b) While keeping the main body ECU (multiplex network body ECU) in contact with driver side junction block (axis of rotation), lower it as shown in the illustration.

Text in Illustration

Push Area

NOTICE:

Make sure to press only the push area.
Confirm the engagement of the main body ECU (multiplex network body ECU) and driver side junction block by listening for the click sound of the lock engaging.

HINT:

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

2. INSTALL DRIVER SIDE JUNCTION BLOCK

(a) Connect the 2 connectors on the back side.

(b) Install the driver side junction block with the 2 nuts.

3. INSTALL INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY

(See page Removal Removal )

Components

COMPONENTS ILLUSTRATION ILLUSTRATION ...

Removal

REMOVAL PROCEDURE 1. REMOVE INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY (See page ) 2. REMOVE DRIVER SIDE JUNCTION BLOCK (a) Disconnect the 5 connectors on the front side. ...

Other materials:

Open in Pump Motor Circuit (C1251)
DESCRIPTION The motor relay (semiconductor relay) is built into the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1251 ...

If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your Toyota dealer or a commercial towing service, using a lift-type truck or a flat bed truck. Use a safety chain system for all towing, and abide by all state/provincial and local laws. The wheels and axle on the ground must b ...

System Diagram
SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method 4 wheel drive control ECU Skid control ECU (Brake actuator assembly) High-Low actuator fail 4WD status ...