Rear View Monitor System Terminals Of Ecu

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Park Assist Monitoring. Lexus Gs430, Gs300. Uzs190 Grs190

  1. CHECK TELEVISION CAMERA

  1. CHECK TELEVISION CAMERA ECU

Rear View Monitor System -- Terminals Of Ecu



CHECK TELEVISION CAMERA

Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Rear View Monitor System Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
CV- (a8-1) - CGND (a8-3)
Shielded - W
Display signal (-)
Always
Below 1 Ω
CV+ (a8-2) - CGND (a8-3)
R - W
Display signal (+)
Engine switch on (IG), shift lever in R position
Pulse generation
(see waveform 1)
CGND (a8-3) - Body ground
W - Body ground
Power ground
Always
Below 1 Ω
CB+ (a8-4) - CGND (a8-3)
B - W
Power ground
Engine switch on (IG), shift lever in R position
Approx. 6 V


    Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Rear View Monitor System Terminals Of Ecu

  1. Reference:

    1. Waveform 1

      Item
      		Content
      Symbols
      (Terminal No.)
      		CV+ (a8-2) - CV- (a8-1)
      Tool Setting
      		0.2 V/DIV., 0.2 μsec./DIV.
      Condition
      		Engine switch on (IG)
      Shift lever in R position
      HINT:
      Depending on what the camera is showing, the GND level changes.

CHECK TELEVISION CAMERA ECU

Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Rear View Monitor System Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
+B (L65-1) - GND1 (L65-8)
L - W-B
Battery supply
Always
10 to 14 V
IG (L65-2) - GND1 (L65-8)
B - W-B
Engine switch on (IG) signal input
Engine switch on (IG)
10 to 14 V
ACC (L65-5) - GND1 (L65-8)
SB - W-B
Engine switch on (ACC) signal input
Engine switch on (IG or ACC)
10 to 14 V
GND1 (L65-8) - Body ground
W-B - Body ground
Power ground
Always
Below 1 Ω
CANL (L64-7) - CANH (L64-8)
W - R
CAN communication
Engine switch off
54 to 67 Ω
VG (L64-9) - GND1 (L65-8)
Shielded - W-B
Display signal output ground (Shielded)
Always
Below 1 Ω
R (L64-10) - GND1 (L65-8)
B - W-B
Display signal output (Red)
Map or back monitor is displayed
Pulse generation
(see waveform 2)
G (L64-11) - GND1 (L65-8)
W - W-B
Display signal output (Green)
Map or back monitor is displayed
Pulse generation
(see waveform 2)
B (L64-12) - GND1 (L65-8)
Y - W-B
Display signal output (Blue)
Map or back monitor is displayed
Pulse generation
(see waveform 2)
CGND (L64-19) - GND1 (L65-8)
W - W-B
Television camera ground
Always
Below 1 Ω
CB+ (L64-20) - GND1 (L65-8)
B - W-B
Power source to television camera
Engine switch on (IG), shift lever in R position
Approx. 6 V
TX+ (L64-29) - GND1 (L65-8)
P - W-B
AVC-LAN control bus
Engine switch on (ACC)
2 to 3 V
TX- (L64-30) - GND1 (L65-8)
V - W-B
AVC-LAN control bus
Engine switch on (ACC)
2 to 3 V
SYNC (L64-31) - GND1 (L65-8)
G - W-B
Synchronized signal output
Map or back monitor is displayed
Pulse generation
(see waveform 3)
VR (L64-32) - GND1 (L65-8)
R - W-B
Display signal output ground
Always
Below 1 Ω
CV- (L64-39) - GND1 (L65-8)
Shielded - W-B
Television camera ground (Shielded)
Always
Below 1 Ω
CV+ (L64-40) - GND1 (L65-8)
R - W-B
Display signal of television camera input
Engine switch on (IG), shift lever in R position
Pulse generation
(see waveform 1)


    Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Rear View Monitor System Terminals Of Ecu

  1. Reference:

    1. Waveform 1

      Item
      		Content
      Symbols
      (Terminal No.)
      		CV+ (L64-40) - GND1 (L65-8)
      Tool Setting
      		0.2 V/DIV., 0.2 μsec./DIV.
      Condition
      		Engine switch on (IG)
      Shift lever in R position
      HINT:
      Depending on what the camera is showing, the GND level changes.


      2. Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Rear View Monitor System Terminals Of Ecu

    2. Waveform 2

      Item
      		Content
      Symbols
      (Terminal No.)
      		R (L64-10) - GND1 (L65-8)
      G (L64-11) - GND1 (L65-8)
      B (L64-12) - GND1 (L65-8)
      Tool Setting
      		200 mV/DIV., 10 μsec./DIV.
      Condition
      		Image is displayed
      (Rear view monitor or navigation system)
      HINT:
      Depending on what the camera is showing, the GND level changes.


      3. Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Rear View Monitor System Terminals Of Ecu

    3. Waveform 3

      Item
      		Content
      Symbols
      (Terminal No.)
      		SYNC (L64-31) - GND1 (L65-8)
      Tool Setting
      		500 mV/DIV., 10 μsec./DIV.
      Condition
      		Image is displayed
      (Rear view monitor or navigation system)