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:

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT FENDER MUDGUARD (w/ Mudguard) Click here 2. REMOVE FRONT FENDER WHEEL OPENING MOULDING (w/ Over Fender) Click here 3. REMOVE FRONT NO. 1 WHEEL OPENING EXTENSION PAD (w/ Front Spoiler) (a) Remove 9 screws and front No. 1 wheel opening extension ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. When removing the No. 2 front wheel opening extension pad or No. 1 front wheel opening extension pad or front wheel opening extension pad, ...

Inspection
INSPECTION PROCEDURE 1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Component without harness connected (Headlight Dimme ...