- D201-29 (CV+) - D201-32 (CGND)
- D201-38 (RCV+) - D201-17 (RGND)
- D201-10 (LCV+) - D201-35 (LGND)
- D201-36 (BCV+) - D201-37 (BGND)
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018J4T |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: TERMINALS OF ECU; 2018 - 2020 MY Sienna [11/2017 - ] | ||
TERMINALS OF ECU
PARKING ASSIST ECU
(a) Disconnect the D163 parking assist ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
D163-1 (+B) - D163-4 (GND1) |
B - W-B |
Power source signal |
Always |
11 to 14 V |
|
D163-4 (GND1) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
D163-3 (IG) - D163-4 (GND1) |
SB - W-B |
IG power source signal |
Engine switch on (IG) |
11 to 14 V |
|
Engine switch off |
Below 1 V |
|||
|
D163-2 (ACC) - D163-4 (GND1) |
L - W-B |
ACC power source signal |
Engine switch on (ACC) |
11 to 14 V |
|
Engine switch off |
Below 1 V |
(c) Reconnect the D163 parking assist ECU connector.
(d) Measure the voltage, resistance and waveform according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
D201-29 (CV+) - D201-32 (CGND) |
B - G |
Rear television camera assembly display signal input |
Engine switch on (IG) with the camera lens of the rear television camera assembly not covered, displaying the panoramic image |
Pulse generation (See waveform 1) |
|
Engine switch on (IG) with the camera lens of the rear television camera assembly covered, blacking out the panoramic image |
Pulse generation (See waveform 2) |
|||
|
D163-30 (CV-) - D163-4 (GND1) |
W - W-B |
Rear television camera assembly ground |
Always |
Below 1 Ω |
|
D201-33 (CB+) - D201-32 (CGND) |
R - G |
Power source to rear television camera assembly |
Engine switch on (IG) |
5.5 to 7.05 V |
|
D201-38 (RCV+) - D201-17 (RGND) |
B - G |
Side television camera assembly RH display signal input |
Engine switch on (IG) with the camera lens of the side television camera assembly RH not covered, displaying the panoramic image |
Pulse generation (See waveform 1) |
|
Engine switch on (IG) with the camera lens of the side television camera assembly RH covered, blacking out the panoramic image |
Pulse generation (See waveform 2) |
|||
|
D201-16 (RCV-) - D163-4 (GND1) |
R - W-B |
Side television camera assembly RH ground |
Always |
Below 1 Ω |
|
D201-40 (RCB+) - D201-17 (RGND) |
W - G |
Power source to side television camera assembly RH |
Engine switch on (IG) |
5.5 to 7.05 V |
|
D201-6 (RSW+) - D163-4 (GND1) |
P - W-B |
Terminal required by law |
Panoramic image being displayed |
0 to 2 V |
|
Panoramic image not being displayed |
5.5 to 7.05 V |
|||
|
D201-32 (CGND) - Body ground |
G - Body ground |
Rear television camera assembly ground (shield) |
Always |
Below 1 Ω |
|
D201-10 (LCV+) - D201-35 (LGND) |
B - G |
Side television camera assembly LH display signal input |
Engine switch on (IG) with the camera lens of the side television camera assembly LH not covered, displaying the panoramic image |
Pulse generation (See waveform 1) |
|
Engine switch on (IG) with the camera lens of the side television camera assembly LH covered, blacking out the panoramic image |
Pulse generation (See waveform 2) |
|||
|
D201-34 (LCV-) - D163-4 (GND1) |
W - W-B |
Side television camera assembly LH ground |
Always |
Below 1 Ω |
|
D201-12 (LCB+) - D201-35 (LGND) |
R - G |
Power source to side television camera assembly LH |
Engine switch on (IG) |
5.5 to 7.05 V |
|
D201-36 (BCV+) - D201-37 (BGND) |
B - G |
Front television camera assembly display signal input |
Engine switch on (IG) with the camera lens of the front television camera assembly not covered, displaying the panoramic image |
Pulse generation (See waveform 1) |
|
Engine switch on (IG) with the camera lens of the front television camera assembly covered, blacking out the panoramic image |
Pulse generation (See waveform 2) |
|||
|
D201-13 (BCV-) - D163-4 (GND1) |
W - W-B |
Front television camera assembly ground |
Always |
Below 1 Ω |
|
D201-15 (BCB+) - D201-37 (BGND) |
R - G |
Power source to front television camera assembly |
Engine switch on (IG) |
5.5 to 7.05 V |
|
D201-39 (SGND) - Body ground |
- |
Side television camera assembly RH ground (shield) |
Always |
Below 1 Ω |
|
D201-17 (RGND) - Body ground |
G - Body ground |
Side television camera assembly RH ground |
Always |
Below 1 Ω |
|
D201-11 (SGND) - Body ground |
- |
Side television camera assembly LH ground (shield) |
Always |
Below 1 Ω |
|
D201-35 (LGND) - Body ground |
G - Body ground |
Side television camera assembly LH ground |
Always |
Below 1 Ω |
|
D201-14 (SGND) - Body ground |
- |
Front television camera assembly ground (shield) |
Always |
Below 1 Ω |
|
D201-37 (BGND) - Body ground |
G - Body ground |
Front television camera assembly ground |
Always |
Below 1 Ω |
|
D201-31 (SGND) - Body ground |
- |
Rear television camera assembly ground (shield) |
Always |
Below 1 Ω |
|
D163-15 (BLSW) - D163-4 (GND1) |
BE - W-B |
Pattern select switch assembly switch signal |
Engine switch on (IG), pattern select switch assembly not pushed |
5.5 to 6.5 V |
|
Engine switch on (IG), pattern select switch assembly pushed |
Below 1 V |
|||
|
D201-7 (NS+) - D201-8 (NSG) |
- |
Video signal |
Engine switch on (IG) and panoramic image being displayed |
Pulse generation (See waveform 3) |
|
D201-24 (NS-) - D163-4 (GND1) |
W - W-B |
Ground |
Always |
Below 1 Ω |
|
D201-8 (NSG) - Body ground |
- |
Shield ground |
Always |
Below 1 Ω |
|
D163-14 (REV) - Body ground |
B - Body ground |
Reverse signal |
Engine switch on (IG), shift lever in R |
11 to 14 V |
|
Engine switch on (IG), shift lever not in R |
Below 1 V |
|
*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 or side television camera assembly RH. Therefore, inspect the waveform at the radio and display receiver assembly 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 |
Engine switch on (IG), 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 engine switch is on (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 |
Engine switch on (IG), 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 engine switch is on (ACC).
(3) Waveform 3
|
Item |
Content |
|---|---|
|
Measurement terminal |
D201-7 (NS+) - D201-8 (NSG) |
|
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
|
Condition |
Engine switch on (IG), panoramic view monitor system operating |
|
*a |
Waveform 1 (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 parking assist ECU.
RADIO AND DISPLAY RECEIVER ASSEMBLY
(a) Measure the resistance and waveform according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
D196-28 (V+) - D195-1 (GND1) |
B - BR |
Video signal |
Panoramic image being displayed |
Pulse generation (Refer to waveform 1) |
|
D196-29 (V-) - D195-1 (GND1) |
W - BR |
Ground |
Always |
Below 1 Ω |
(b) Reference (Oscilloscope waveform):
(1) Waveform 1
|
Item |
Content |
|---|---|
|
Measurement terminal |
D196-28 (V+) - D195-1 (GND1) |
|
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
|
Condition |
Panoramic image being displayed |
|
*a |
Waveform 1 (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 parking assist ECU.
|
|