Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Terminals Of Ecu

TERMINALS OF ECU

REAR TELEVISION CAMERA ASSEMBLY

(a) Disconnect the rear television camera assembly connector.

(b) Measure the voltage on the wire harness side connector according to the value(s) in the table below.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

U48-4 (CB+) - Body ground

Power source

Ignition switch ON

6 to 9 V

(c) Reconnect the rear television camera assembly connector.

(d) Measure the resistance and check for pulses at each terminal of the connector.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

U48-1 (CANH) - Body ground

CAN communication line

-

-

U48-2 (CANL) - Body ground

CAN communication line

-

-

U48-3 (CGND) - Body ground

Camera ground

Always

Below 1 Ω

U48-6 (CV+) - U48-5 (CV-)

Video signal

Ignition switch ON

Shift position in R

Camera lens not covered, displaying image

Pulse generation

(Refer to waveform 1)

Ignition switch ON

Shift position in R

Camera lens covered, blacking out screen

Pulse generation

(Refer to waveform 2)

U48-7 (SGND) - Body ground

Camera ground (shield)

Always

Below 1 Ω

(e) Reference (Oscilloscope waveform):

*a

Waveform 1 (camera lens not covered, displaying image)

*b

Waveform 2 (camera lens covered, blacking out screen)

*c

Synchronization Signal

*d

Video Waveform

(1) Waveform 1 (camera lens is not covered, displaying an image)

Item

Content

Measurement terminal

U48-6 (CV+) - U48-5 (CV-)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Ignition switch ON, shift position in R, camera lens not covered, displaying image

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the ignition switch is ACC.

(2) Waveform 2 (camera lens is covered, blacking out the screen)

Item

Content

Measurement terminal

U48-6 (CV+) - U48-5 (CV-)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Ignition switch ON, shift position in R, camera lens covered, blacking out screen

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the ignition switch is ACC.

RADIO AND DISPLAY RECEIVER ASSEMBLY

Click here

    READ NEXT:

     Diagnosis System

    DIAGNOSIS SYSTEM PARKING ASSIST MONITOR SYSTEM DIAGNOSTIC MODE (a) In diagnostic mode for the parking assist monitor system, signals received by the radio and display receiver assembly can be chec

     Freeze Frame Data

    FREEZE FRAME DATA HINT: Freeze frame data is stored at the time when DTCs are detected. When freeze frame data at the time it is stored that a DTC is detected, data is not updated or clear

     Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when decidi

    SEE MORE:

     A/C Inverter Local Missing Message (B149887)

    DESCRIPTION The hybrid vehicle control ECU and compressor with motor assembly communicate via direct line. Compressor control is stopped and this DTC is stored if communication information is cut off or abnormal information is received. This DTC is also detected if high-voltage electricity supplie

     Oil And Oil Filter

    ComponentsCOMPONENTS ILLUSTRATION *1 OIL FILTER SUB-ASSEMBLY *2 OIL FILLER CAP ASSEMBLY *3 GASKET *4 OIL PAN DRAIN PLUG *5 CENTER NO. 4 ENGINE UNDER COVER - - Tightening torque for "Major areas involving basic vehicle performance

    © 2020-2025 Copyright www.tcorollacross.com PT NL