Toyota Tundra 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 W9 forward recognition camera connector.

(a) Check forward recognition camera

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

W9-7 (IGB) - Body ground

R - Body ground

Power source

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

W9-10 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

W9-5 (CA1P) - Body ground

BE - Body ground

CAN communication signal

Ignition switch ON

Pulse generation

(Waveform 1)

W9-11 (CA1N) - Body ground

W - Body ground

Pulse generation

(Waveform 2)

W9-6 (CANH) - Body ground

G - Body ground

Pulse generation

(Waveform 1)

W9-12 (CANL) - Body ground

W - Body ground

Pulse generation

(Waveform 2)

(b) WAVEFORM 1

(1) CAN communication signal

Item

Content

Terminal Name

Between W9-5 (CA1P) and W9-10 (GND)

Between W9-6 (CANH) and W9-10 (GND)

Tester Range

1 V/DIV., 10 μsec./DIV.

Condition

Ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

(c) WAVEFORM 2

(1) CAN communication signal

Item

Content

Terminal Name

Between W9-11 (CA1N) and W9-10 (GND)

Between W9-12 (CANL) and W9-10 (GND)

Tester Range

1 V/DIV., 10 μsec./DIV.

Condition

Ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

    System Diagram

    Lost Communication with Yaw Rate Sensor Module (U0123,U0126,U0129,U0142,U0155)

    See More:

    Toyota Tundra Service Manual > Theft Deterrent System: Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Troubleshooting of the theft deterrent system is based on the premise that the power door lock control system and the wireless door lock control system are operating normally. Accordingly, before troubleshooting the theft deterrent system, first make certain that the pow ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2024 Copyright www.ttundra.com
    0.011