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:

Fail-safe Chart
FAIL-SAFE CHART 1. FAIL-SAFE OPERATION AND DEACTIVATION CONDITION DIFFERENTIAL SYSTEM (w/ Differential Lock) DTC No. Fail-safe Operation Fail-safe Deactivation Condition U0122 All switching prohibited When rear differential is locked ...

If your vehicle overheats
The following may indicate that your vehicle is overheating. ● The needle of the engine coolant temperature gauge (→P. 155) enters the red zone or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) ● Steam comes out from under the hood. ...

Correct driving posture
Drive in a good posture as follows: Sit upright and well back in the seat. Adjust the position of the seat forward or backward to ensure the pedals can be reached and easily depressed to the extent required. Adjust the seatback so that the controls are easily operable. Adjust the t ...

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