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:

Installation
INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONING UNIT ASSEMBLY (a) Temporary install the air conditioning unit assembly. (b) Insert the bracket hook into the holes of the reinforcement bracket, and temporary install the instrument panel reinforcement assembly. (c) Install the instrument p ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL 2. DRAIN DIFFERENTIAL OIL 3. SEPARATE FRONT SPEED SENSOR (a) Remove the bolt and separate the front speed sensor. (b) Disengage the 2 clamps. (c) Remove the bolt and separate the speed sensor wire harness from the steering knuckle. 4. SEPARATE TIE ...

Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION When there is a short to GND in the power supply for the transponder key amplifier of the engine switch, the certification ECU (smart key ECU assembly) stores this DTC. DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation ...