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

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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 ...

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