☰ Toyota HiAce☰ فهرستAudio / Visual / Telematics › PARK ASSIST / MONITORING › PANORAMIC VIEW MONITOR SYSTEM
RM35X0E
_56
Audio / Visual / Telematics
_079315
PARK ASSIST / MONITORING
_0396274
PANORAMIC VIEW MONITOR SYSTEM
U
PARK ASSIST / MONITORING PANORAMIC VIEW MONITOR SYSTEM TERMINALS OF ECU
PARKING ASSIST ECU
2.844,0.229 3.354,0.469
0.51,0.24
2.948,0.271 3.563,0.469
0.615,0.198
10
false
N151
a.
Disconnect the N151 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 |
|---|---|---|---|---|
|
*1: w/o Stop and Start System *2: w/ Stop and Start System |
||||
| N151-1 (+B) - N151-2 (GND1) | G - BR*1
L - BR*2 |
Power source signal | Always | 11 to 14 V*1
10.5 to 16 V*2 |
| N151-2 (GND1) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| N151-3 (ACC) - N151-2 (GND1) | GR - BR*1
P - BR*2 |
ACC power source signal | Engine switch on (ACC) | 11 to 14 V*1
10.5 to 16 V*2 |
| Engine switch off | Below 1 V | |||
| N151-19 (+B2) - N151-2 (GND1) | LG - BR*1
L - BR*2 |
Power source signal | Always | 11 to 14 V*1
10.5 to 16 V*2 |
| N151-20 (GND2) - Body ground | BR - Body ground | Ground | Ground | Below 1 Ω |
| N151-21 (IG) - N151-2 (GND1) | P - BR*1
R - BR*2 |
IG power source signal | Engine switch on (IG) | 11 to 14 V*1
10.5 to 16 V*2 |
| Engine switch off | Below 1 V | |||
c.
Reconnect the N151 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 |
|---|---|---|---|---|
| N151-6 (RCB+) - N151-23 (RGND) | BR - P | Power source to side television camera assembly RH | Engine switch on (IG) | 5.5 to 7.05 V |
| N151-7 (BCB+) - N151-24 (BGND) | B - G | Power source to front television camera | Engine switch on (IG) | 5.5 to 7.05 V |
| N151-8 (CB+) - N151-25 (CGND) | BR - SB | Power source to television camera assembly | Engine switch on (IG) | 5.5 to 7.05 V |
| N151-9 (LCB+) - N151-26 (LGND) | L - GR | Power source to side television camera assembly LH | Engine switch on (IG) | 5.5 to 7.05 V |
| N151-10 (BCV-) - N151-24 (BGND) | R - G | Front television camera assembly display ground | Always | Below 1 Ω |
| N151-11 (CV+) - N151-25 (CGND) | LG - SB | Television camera assembly display signal input | Engine switch on (IG), panoramic view monitor switch on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
| Engine switch on (IG), panoramic view monitor switch on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
| N151-12 (SGND) - Body ground | Shielded - Body ground | Television camera assembly ground (shield) | Always | Below 1 Ω |
| N151-13 (LCV-) - N151-26 (LGND) | Y - GR | Side television camera assembly LH display ground | Always | Below 1 Ω |
| N151-14 (SGND) - Body ground | Shielded - Body ground | Side television camera assembly LH ground (shield) | Always | Below 1 Ω |
| N151-15 (BLSW) - N151-2 (GND1) | V - BR | Panoramic view monitor switch signal | Engine switch on (IG), panoramic view monitor switch off | 5.5 to 6.5 V |
| Engine switch on (IG), panoramic view monitor switch on | Below 1 V | |||
| N151-18 (CANL) | W | CAN communication line | - | - |
| N151-23 (RGND) - Body ground | P - Body ground | Side television camera assembly RH display ground | Always | Below 1 Ω |
| N151-24 (BGND) - Body ground | G - Body ground | Front television camera assembly display ground | Always | Below 1 Ω |
| N151-25 (CGND) - Body ground | SB - Body ground | Television camera assembly ground | Always | Below 1 Ω |
| N151-26 (LGND) - Body ground | GR - Body ground | Side television camera assembly LH ground | Always | Below 1 Ω |
| N151-27 (NS+) - N151-28 (NS-) | V - SB | Video signal | Engine switch on (IG), panoramic view monitor switch on, camera lens not covered, displaying image | Pulse generation (See waveform 3) |
| N151-28 (NS-) - N151-2 (GND1) | SB - BR | Video ground | Always | Below 1 Ω |
| N151-29 (NSG) - Body ground | Shielded - Body ground | Shield ground | Always | Below 1 Ω |
| N151-30 (RCV+) - N151-23 (RGND) | SB - P | Side television camera assembly RH display signal input | Engine switch on (IG), panoramic view monitor switch on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
| Engine switch on (IG), panoramic view monitor switch on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
| N151-31 (RCV-) - N151-23 (RGND) | LG - P | Side television camera assembly RH display ground | Always | Below 1 Ω |
| N151-32 (SGND) - Body ground | Shielded - Body ground | Side television camera assembly RH ground (shield) | Always | Below 1 Ω |
| N151-33 (BCV+) - N151-24 (BGND) | W - G | Front television camera assembly display signal input | Engine switch on (IG), panoramic view monitor switch on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
| Engine switch on (IG), panoramic view monitor switch on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
| N151-34 (SGND) - Body ground | Shielded - Body ground | Front television camera assembly ground (shield) | Always | Below 1 Ω |
| N151-35 (CV-) - N151-25 (CGND) | P - SB | Television camera assembly display ground | Always | Below 1 Ω |
| N151-36 (LCV+) - N151-26 (LGND) | V - GR | Side television camera assembly LH display signal input | Engine switch on (IG), panoramic view monitor switch on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
| Engine switch on (IG), panoramic view monitor switch on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
| N151-37 (RSW+) - N151-2 (GND1) | Y - BR | Terminal required by law | Panoramic image being displayed | 0 to 2 V |
| Panoramic image not being displayed | 5.5 to 7.05 V | |||
| N151-40 (CANH) | P | CAN communication line | - | - |
e.
Using an oscilloscope, check the waveform.
0.917,1.5 1.417,1.5
1.417,1.5 1.469,1.354
false
0.917,1.667 1.49,1.667
1.49,1.667 1.563,1.313
false
4.25,1.417 4.75,1.417
4.75,1.417 4.833,1.198
false
4.24,1.688 4.813,1.688
4.813,1.688 4.948,1.146
false
0.76,0.823 1.219,1.021
0.458,0.198
10
GND
4.031,0.823 4.49,1.021
0.458,0.198
10
GND
0.438,0.083 0.75,0.281
0.313,0.198
10
*a
3.771,0.083 4.083,0.281
0.313,0.198
10
*b
0.75,1.417 1.063,1.615
0.313,0.198
10
*c
0.75,1.604 1.031,1.76
0.281,0.156
10
*d
4.083,1.344 4.333,1.5
0.25,0.156
10
*c
4.073,1.625 4.292,1.771
0.219,0.146
10
*d
| *a | Waveform 1 | *b | Waveform 2 |
| *c | Synchronization Signal | *d | Video Waveform |
i.
Waveform 1, 2
| Item | Content |
|---|---|
| Terminal No. (Symbol) | ·
N151-11 (CV+) - N151-25 (CGND) ·
N151-36 (LCV+) - N151-26 (LGND) ·
N151-33 (BCV+) - N151-24 (BGND) ·
N151-30 (RCV+) - N151-23 (RGND) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | ·
Waveform 1: Engine switch on (IG), panoramic view monitor switch on, camera lens not covered, displaying image ·
Waveform 2: Engine switch on (IG), panoramic view monitor switch on, camera lens covered, blacking out screen |
- HINT:
- ·
The video waveform changes according to the image sent by the television camera assembly.
·The video waveform is constantly output when the engine switch is on (ACC).
ii.
1.115,2.26 1.01,2.833
1.01,2.833 0.896,2.833
false
1.25,2.135 1.406,2.854
1.406,2.854 1.583,2.854
false
0.229,0.313 0.542,0.51
0.313,0.198
10
false
*a
0.271,1.594 0.688,1.792
0.417,0.198
10
false
GND
1.625,2.771 1.938,2.969
0.313,0.198
10
false
*c
0.698,2.74 1.01,2.938
0.313,0.198
10
false
*b
| *a | Waveform 3 (camera lens is not covered, displaying an image) |
| *b | Synchronization Signal |
| *c | Video Waveform |
Waveform 3
| Item | Content |
|---|---|
| Measurement terminal | N151-27 (NS+) - N151-28 (NS-) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Engine switch on (IG), panoramic view monitor switch on, camera lens not covered, displaying image |
- HINT:
-
The video waveform changes according to the image sent by the parking assist ECU.
RADIO AND DISPLAY RECEIVER ASSEMBLY (w/ Audio and Visual System)
RADIO AND DISPLAY RECEIVER ASSEMBLY (w/ Navigation System)