Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001T5IJ
Model Year Start: 2021 Model: Camry HV Prod Date Range: [10/2020 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: TERMINALS OF ECU; 2021 - 2024 MY Camry HV [10/2020 -        ]

TERMINALS OF ECU

TELEVISION CAMERA CONTROLLER

(a) Disconnect the R125 television camera controller connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

R125-1 (+B) - R125-4 (GND1)

Power source signal

Ignition switch off

11 to 14 V

R125-2 (ACC) - R125-4 (GND1)

ACC power source signal

Ignition switch ACC

11 to 14 V

Ignition switch off

Below 1 V

R125-3 (IG) - R125-4 (GND1)

IG power source signal

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

R125-4 (GND1) - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the R125 television camera controller connector.

(d) Measure the voltage, resistance and waveform according to the value(s) in the table below.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

R126-6 (RSW+) - R125-4 (GND1)

Terminal required by law

Panoramic image being displayed

0 to 2 V

Panoramic image not being displayed

5.5 to 7.05 V

R126-7 (NS+) - R126-24 (NS-)

Video signal

Ignition switch ON and panoramic image being displayed

Pulse generation (See waveform 3)

R126-8 (NSG) - Body ground

Shield ground

Always

Below 1 Ω

R126-10 (LCV+) - R126-35 (LGND)

Side television camera assembly LH display signal input

Ignition switch ON with the camera lens of the side television camera assembly LH not covered, displaying the panoramic image

Pulse generation (See waveform 1)

Ignition switch ON with the camera lens of the side television camera assembly LH covered, blacking out the panoramic image

Pulse generation (See waveform 2)

R126-11 (SGND) - Body ground

Shielded - Body ground

Always

Below 1 Ω

R126-12 (LCB+) - R126-35 (LGND)

Power source to side television camera assembly LH

Ignition switch ON

5.5 to 7.05 V

R126-13 (BCV-) - R125-4 (GND1)

Front television camera assembly ground

Always

Below 1 Ω

R126-14 (SGND) - Body ground

Shielded - Body ground

Always

Below 1 Ω

R126-15 (BCB+) - R126-37 (BGND)

Power source to front television camera assembly

Ignition switch ON

5.5 to 7.05 V

R126-16 (RCV-) - R126-17 (RGND)

Side television camera assembly RH ground

Always

Below 1 Ω

R126-17 (RGND) - Body ground

Side television camera assembly RH ground

Always

Below 1 Ω

R126-24 (NS-) - R125-4 (GND1)

Ground

Always

Below 1 Ω

R126-29 (CV+) - R126-32 (CGND)

Rear television camera assembly display signal input

Ignition switch ON with the camera lens of the rear television camera assembly not covered, displaying the panoramic image

Pulse generation (See waveform 1)

Ignition switch ON with the camera lens of the rear television camera assembly covered, blacking out the panoramic image

Pulse generation (See waveform 2)

R126-30 (CV-) - R126-32 (CGND)

Rear television camera assembly ground

Always

Below 1 Ω

R126-32 (CGND) - Body ground

Rear television camera assembly ground (shield)

Always

Below 1 Ω

R126-34 (LCV-) - R126-35 (LGND)

Side television camera assembly LH ground

Always

Below 1 Ω

R126-35 (LGND) - Body ground

Side television camera assembly LH ground

Always

Below 1 Ω

R126-36 (BCV+) - R126-37 (BGND)

Front television camera assembly display signal input

Ignition switch ON with the camera lens of the front television camera assembly not covered, displaying the panoramic image

Pulse generation (See waveform 1)

Ignition switch ON with the camera lens of the front television camera assembly covered, blacking out the panoramic image

Pulse generation (See waveform 2)

R126-37 (BGND) - Body ground

Front television camera assembly ground

Always

Below 1 Ω

R126-38 (RCV+) - R126-17 (RGND)

Side television camera assembly RH display signal input

Ignition switch ON with the camera lens of the side television camera assembly RH not covered, displaying the panoramic image

Pulse generation (See waveform 1)

Ignition switch ON with the camera lens of the side television camera assembly RH covered, blacking out the panoramic image

Pulse generation (See waveform 2)

R126-39 (SGND) - Body ground

Shielded - Body ground

Always

Below 1 Ω

R126-40 (RCB+) - R126-17 (RGND)

Power source to side television camera assembly RH

Ignition switch ON

5.5 to 7.05 V

R125-14 (REV) - R125-4 (GND1)

Reverse signal input

Ignition switch ON, panoramic view monitor switch on, shift lever in R

Below 1 V

Ignition switch ON, panoramic view monitor switch on, shift lever except R

11 to 14 V

R125-15 (BLSW) - R125-4 (GND1)

Panoramic view monitor switch signal

Ignition switch ON, panoramic view monitor switch not pushed

5.5 to 6.5 V

Ignition switch ON, panoramic view monitor switch pushed

Below 1 V

R125-11 (CANH)

CAN communication line

-

-

R125-12 (CANL)

CAN communication line

-

-

*a

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

*b

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

*c

Synchronization Signal

*d

Video Waveform

(e) Reference (Oscilloscope waveform):

HINT:

A waterproof connector is used for the rear television camera assembly, front television camera assembly, side television camera assembly LH and side television camera assembly RH. Therefore, inspect the waveform at the television camera controller with the connector connected.

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

Item

Content

Measurement terminal
  • R126-29 (CV+) - R126-32 (CGND)
  • R126-10 (LCV+) - R126-35 (LGND)
  • R126-36 (BCV+) - R126-37 (BGND)
  • R126-38 (RCV+) - R126-17 (RGND)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Panoramic view monitor system operating

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly, front television camera assembly, side television camera assembly LH or side television camera assembly RH.
  • The video waveform is constantly output when the ignition switch is turned to ACC.

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

Item

Content

Measurement terminal
  • R126-29 (CV+) - R126-32 (CGND)
  • R126-10 (LCV+) - R126-35 (LGND)
  • R126-36 (BCV+) - R126-37 (BGND)
  • R126-38 (RCV+) - R126-17 (RGND)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Panoramic view monitor system operating

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly, front television camera assembly, side television camera assembly LH or side television camera assembly RH.
  • The video waveform is constantly output when the ignition switch is turned to ACC.

(3) Waveform 3

Item

Content

Measurement terminal

R126-7 (NS+) - R126-24 (NS-)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Panoramic image being displayed

*a

Waveform 3 (camera lens is not covered, displaying an image)

*b

Synchronization Signal

*c

Video Waveform

HINT:

The video waveform changes according to the image sent by the television camera controller.

REAR TELEVISION CAMERA ASSEMBLY

(a) Disconnect the m1 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

Switch Condition

Specified Condition

m1-6 (CB+) - Body ground

Power source

Ignition switch ACC

11 to 14 V

If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the m1 rear television camera assembly connector.

(d) Measure the voltage and waveform according to the value(s) in the table below.

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

m1-3 (CV+) - m1-2 (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)

m1-5 (CGND) - Body ground

Camera ground

Always

Below 1 V

HINT:

A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.

If the result is not as specified, the rear television camera assembly may be malfunctioning.

(e) Reference (Oscilloscope waveform):

HINT:

A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.

*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

m1-3 (CV+) - m1-2 (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

m1-3 (CV+) - m1-2 (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 2021 - 2024 MY Camry HV [10/2020 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: TERMINALS OF ECU