Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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

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

HINT:

HINT:

The waveform varies depending on the CAN communication signal.

(c) WAVEFORM 2

(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

HINT:

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:

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedures for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE OUTER MIRROR (a) Push the lower part of the mirror surface and tilt it. Text in Illustration ...

Radio Receiver Power Source Circuit
DESCRIPTION This is the power source circuit to operate the navigation receiver assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE 1. ...

Rear Occupant Classification Sensor LH Collision Detection (B1787)
DESCRIPTION DTC B1787 is set when the occupant detection ECU receives a collision detection signal, which is sent by the occupant classification sensor rear LH when an accident occurs. DTC B1787 is also set when the front seat with adjuster frame assembly RH is subjected to a strong impact, ...

© 2011-2021 Copyright www.ttguide.net