Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000017KV005X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM: TERMINALS OF ECU; 2007 MY LX470 [08/2006 -        ]

TERMINALS OF ECU

1. TELEVISION CAMERA ASSEMBLY

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condition

CV- (T30-1) - CGND (T30-3)

BR - W

Display signal (-)

Always

Below 1 Ω

CV+ (T30-2) - CGND (T30-3)

R - W

Display signal (+)

Ignition switch ON, shift lever R position

Signal waveform 1

CGND (T30-3) - Body ground

W - Body ground

Power ground

Always

Below 1 Ω

CB+ (T30-4) - CGND (T30-3)

B - W

Power source

Ignition switch ON, shift lever R position

6 V

(a) Reference:

Oscilloscope waveform

(1) Waveform 1

Item

Content

Measure terminal

CV+ - CGND

Measure set

0.2 V/DIV., 0.2 μsec./DIV

Condition

Ignition switch: ON, shift lever: R position

2. TELEVISION CAMERA ECU

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condition

+B (T32-1) - GND1 (T32-8)

L-Y - W-B

Battery supply

Always

10 to 14 V

Ignition (T32-2) - GND1 (T32-8)

B-W - W-B

Ignition signal input

Ignition switch ON

10 to 14 V

ACC (T32-5) - GND1 (T32-8)

GR - W-B

ACC signal input

Ignition switch ON or ACC

10 to 14 V

GND1 (T32-8) - Body ground

W-B - Body ground

Power ground

Always

Below 1 Ω

VG (T31-9) - GND1 (T32-8)

Shielded - W-B

Display signal output ground (Shielded)

Always

Below 1 Ω

R (T31-10) - GND1 (T32-8)

Y - W-B

Display signal output (Red)

While displaying map or rear view monitor

Signal waveform 2

G (T31-11) - GND1 (T32-8)

W - W-B

Display signal output (Green)

While displaying map or rear view monitor

Signal waveform 2

B (T31-12) - GND1 (T32-8)

R - W-B

Display signal output (Blue)

While displaying map or rear view monitor

Signal waveform 2

B1 (T31-13) - GND1 (T32-8)

R - W-B

Display signal input (Blue)

While displaying map

Signal waveform 2

G1 (T31-14) - GND1 (T32-8)

W - W-B

Display signal input (Green)

While displaying map

Signal waveform 2

R1 (T31-15) - GND1 (T32-8)

Y - W-B

Display signal input (Red)

While displaying map

Signal waveform 2

VG1 (T31-16) - GND1 (T32-8)

Shielded - W-B

Display signal input ground (Shielded)

Always

Below 1 Ω

CGND (T31-19) - GND1 (T32-8)

W - W-B

Television camera ground

Always

Below 1 Ω

CB+ (T31-20) - GND1 (T32-8)

B - W-B

Power source to television camera

Ignition switch ON, shift lever R position

6 V

REV (T31-27) - GND1 (T31-6)

R-B - W-B

Reverse signal input

Ignition switch ON, shift lever R position

10 to 14 V

TX+ (T31-29)

P

AVC-LAN control bus

See "Service check mode"

-

TX- (T31-30)

L-B

AVC-LAN control bus

See "Service check mode"

-

SYNC (T31-31) - GND1 (T32-8)

G - W-B

Synchronized signal output

While displaying map or rear view monitor

Signal waveform 3

VR (T32-32) - GND1 (T31-8)

B - W-B

Display signal output ground

Always

Below 1 Ω

VR1 (T31-33) - GND1 (T32-8)

B - W-B

Display signal input ground

Always

Below 1 Ω

SYN1 (T31-34) - GND1 (T321-8)

G - W-B

Synchronized signal input

While displaying map

Signal waveform 3

TX1- (T31-35)

L-B

AVC-LAN control bus

See "Service check mode"

-

TX1+ (T31-36)

P

AVC-LAN control bus

See "Service check mode"

-

CV- (T31-39) - GND1 (T32-8)

Shielded - W-B

Television camera ground (Shielded)

Always

Below 1 Ω

CV+ (T31-40) - GND1 (T32-8)

R - W-B

Display signal of television camera input

Ignition switch ON, shift lever R position

Signal waveform 1

(a) Reference:

Oscilloscope waveform

(1) Waveform 1

Item

Content

Measure terminal

CV+ - GND1

Measure set

0.2 V/DIV., 0.2 μsec./DIV

Condition

Ignition switch: ON, shift lever: R position

(2) Waveform 2

Item

Content

Terminal

R, G, B, R1, G1, B1, - GND1

Measure set

200 mV/DIV., 10 μsec./DIV

Condition

Image is being displayed (Back guide monitor system or navigation system).

(3) Waveform 3

Item

Content

Terminal

SYNC, SYN1 - GND1

Measure set

500 mV/DIV., 10 μsec./DIV

Condition

Image is being displayed (Back guide monitor system or navigation system).