- R126-29 (CV+) - R126-32 (CGND)
- R126-10 (LCV+) - R126-35 (LGND)
- R126-36 (BCV+) - R126-37 (BGND)
- R126-38 (RCV+) - R126-17 (RGND)
| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001RE7W |
| Model Year Start: 2021 | Model: Camry | Prod Date Range: [10/2020 - ] |
| Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: TERMINALS OF ECU; 2021 - 2024 MY Camry [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 |
||
|
R126-11 (CANH) |
CAN communication line |
- |
- |
|
R126-12 (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 |
|
|
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 |
|
|
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
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