Toyota Tacoma (2015-2018) Service Manual: Terminals Of Ecu

Toyota Tacoma (2015-2018) Service Manual / Cruise Control / Lane Departure Alert System / Terminals Of Ecu

TERMINALS OF ECU

FORWARD RECOGNITION CAMERA

NOTICE:

DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
Do not apply excessive force to the forward recognition camera connector.

(a) Check forward recognition camera

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
F46-7 (IGB) - Body ground	BE - Body ground	Power source	Ignition switch ON	11 to 14 V
F46-7 (IGB) - Body ground	BE - Body ground	Power source	Ignition switch off	Below 1 V
F46-10 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
F46-5 (CA1P) - Body ground	L - Body ground	CAN communication signal	Ignition switch ON	Pulse generation (Waveform 1)
F46-11 (CA1N) - Body ground	W - Body ground			Pulse generation (Waveform 2)
F46-6 (CANH) - Body ground	B - Body ground			Pulse generation (Waveform 1)
F46-12 (CANL) - Body ground	W - Body ground			Pulse generation (Waveform 2)

(b) WAVEFORM 1

(1) CAN communication signal

Item	Content
Terminal Name	Between F46-5 (CA1P) and F46-10 (GND) Between F46-6 (CANH) and F46-10 (GND)
Tester Range	1 V/DIV., 10 μsec./DIV.
Condition	Ignition switch ON

Item

Content

Terminal Name

Between F46-5 (CA1P) and F46-10 (GND)

Between F46-6 (CANH) and F46-10 (GND)

Tester Range

1 V/DIV., 10 μsec./DIV.

Condition

Ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

(1) CAN communication signal

Item	Content
Terminal Name	Between F46-11 (CA1N) and F46-10 (GND) Between F46-12 (CANL) and F46-10 (GND)
Tester Range	1 V/DIV., 10 μsec./DIV.
Condition	Ignition switch ON

Item

Content

Terminal Name

Between F46-11 (CA1N) and F46-10 (GND)

Between F46-12 (CANL) and F46-10 (GND)

Tester Range

1 V/DIV., 10 μsec./DIV.

Condition

Ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

Diagnosis System

DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here FUNCTION OF WARNING INDICATOR AND MESSAGE (a) If the lane departure alert system is not functioning properly, the driver is warned b ...

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Chassis / LKA/LDA / Trouble Code ...

Other materials:

Installation
INSTALLATION CAUTION / NOTICE / HINT PROCEDURE 1. INSTALL REAR AIRBAG SENSOR LH (a) Check that the ignition switch is OFF. (b) Check that the cable is disconnected from the battery negative (-) terminal. CAUTION: After disconnecting the cable from the terminal, wait for at least 90 seconds ...

Vehicle Speed Signal Malfunction (B2282,B2283)
DESCRIPTION DTC B2282 is stored when the vehicle speed signal sent by the combination meter assembly via direct line and the vehicle speed signal sent via CAN communication do not match. DTC B2283 is stored when a malfunction in the vehicle speed sensor is detected. HINT: When the cable is d ...

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine ...