Toyota Tacoma (2015-2018) Service Manual: Removal

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

REMOVAL

PROCEDURE

1. REMOVE INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY

(See page 2. REMOVE DRIVER SIDE JUNCTION BLOCK )

2. REMOVE DRIVER SIDE JUNCTION BLOCK

(a) Disconnect the 5 connectors on the front side.

(b) Remove the 2 nuts to separate the driver side junction block.

3. REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

(a) Press the claw of the driver side junction block as shown in the illustration to release the lock.

Text in Illustration

*a	Protective Tape

(b) With the driver side junction block lock released, insert a screwdriver with its tip wrapped in protective tape horizontally between the main body ECU (multiplex network body ECU) and driver side junction block.

NOTICE:

Use a screwdriver with a diameter between 5.0 mm (0.197 in.) and 6.3 mm (0.248 in.) and a length of approximately 90 mm (3.54 in.).
Do not insert the screwdriver under the connector socket of the main body ECU (multiplex network body ECU).

(c) Using a screwdriver with its tip wrapped in protective tape, carefully raise the main body ECU (multiplex network body ECU) to the position where the connector becomes disconnected.

Text in Illustration

*a	Protective Tape
*b	Connector

NOTICE:

Do not twist the screwdriver to raise the main body ECU (multiplex network body ECU).
Do not damage the connector.

(d) Raise the main body ECU (multiplex network body ECU) and disengage the 2 guides as shown by the arrow (1), and then pull it out as shown by the arrow (2) in the illustration to remove it.

NOTICE:

Do not touch the main body ECU (multiplex network body ECU) connector.

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 EC ...

Power Steering

...

Other materials:

Some Alarm Functions do not Operate
DESCRIPTION When the alarm sounds, the following alarm functions operate: the roof console box assembly and No. 1 room light assembly illuminates, and the headlights, taillights and hazard lights flash, and the security horn and vehicle horn sound intermittently. WIRING DIAGRAM CAUTION / ...

Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or s ...

Freeze Frame Data
FREEZE FRAME DATA CHECK FREEZE FRAME DATA HINT: The ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored. (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: P ...