Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ1E
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: TERMINALS OF ECU; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

TERMINALS OF ECU

1. TELEVISION DISPLAY ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

T27-5 (MUT2) - T27-3 (GND)

L - BR

Mute signal

Disc player assembly is playing → Change modes

4 V or higher → Below 1 V

T27-21 (TX2-) - T27-3 (GND)

V - BR

AVC-LAN communication signal

Ignition switch ACC

2 to 3 V

T27-18 (TX1+) - T27-3 (GND)

B - BR

AVC-LAN communication signal

Ignition switch ACC

2 to 3 V

T27-23 (R1+) - T27-3 (GND)

B - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

T27-24 (R1-) - T27-3 (GND)

W - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

T27-6 (MUT1) - T27-3 (GND)

R - BR

Mute signal

Ignition switch ACC

RSE system is playing → Change modes

4 V or higher → Below 1 V

T27-17 (GND2) - Body ground

BR - Body ground

Ground

Always

Below 1 V

T27-2 (ACC) - T27-3 (GND)

GR - BR

ACC power source

Ignition switch ACC

11 to 14 V

T27-15 (+B2) - T27-3 (GND)

V - BR

Battery power source

Always

11 to 14 V

T27-20 (TX2+) - T27-3 (GND)

P - BR

AVC-LAN communication signal

Ignition switch ACC

2 to 3 V

T27-19 (TX1-) - T27-3 (GND)

W - BR

AVC-LAN communication signal

Ignition switch ACC

2 to 3 V

T27-9 (L1+) - T27-3 (GND)

R - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

T27-10 (L1-) - T27-3 (GND)

G - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

T27-11 (SLD1) - T27-3 (GND)

Shield - BR

Shield ground

Always

Below 1 V

T27-3 (GND) - Body ground

BR - Body ground

Ground

Always

Below 1 V

T27-1 (+B) - T27-3 (GND)

V - BR

Battery power source

Always

11 to 14 V

T28-3 (SGN6) - T27-3 (GND)

Shield - BR

Shield ground

Always

Below 1 V

T28-6 (VD) - T28-7 (VG)

BR - Y

Display signal (Input)

VTR is displayed

Pulse generation

(Refer to waveform 1)

T28-2 (R+) - T27-3 (GND)

B - BR

Sound signal (Input)

External device playing (When video terminal used)

A waveform synchronized with sound signals is output

T28-4 (L+) - T27-3 (GND)

R - BR

Sound signal (Input)

External device playing (When video terminal used)

A waveform synchronized with sound signals is output

T27-28 (HP2L) - T27-3 (GND)

G - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

T27-27 (SLD6) - T27-3 (GND)

Shield - BR

Shield ground

Always

Below 1 V

T27-26 (HP2R) - T27-3 (GND)

R - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

T28-8 (SGN5) - T27-3 (GND)

Shield - BR

Shield ground

Always

Below 1 V

T28-5 (ADP1) - T27-3 (GND)

LG - BR

Ground

Always

Below 1 V

T27-14 (HP1L) - T27-3 (GND)

W - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

T27-13 (SLD5) - T27-3 (GND)

Shield - BR

Shield ground

Always

Below 1 V

T27-12 (HP1R) - T27-3 (GND)

B - BR

Sound signal (Output)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

(a) Using an oscilloscope, check the waveform.

Waveform 1(Reference)

Item

Content

Terminal No. (Symbols)

T28-6 (VD) - T28-7 (VG)

Tool Setting

200 mV/DIV., 100 μsec./DIV.

Condition

External device playing (When video terminal used)

Text in Illustration

*a

Video Waveform

*b

Synchronization Signal

2. DISC PLAYER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

D70-6 (MUTE) - D70-13 (GND)

L - BR

Mute signal

Disc player assembly is playing → Change modes

4 V or higher → Below 1 V

D70-7 (ACC) - D70-13 (GND)

GR - BR

ACC power source

Ignition switch ACC

11 to 14 V

D70-8 (+B) - D70-13 (GND)

V - BR

Battery power source

Always

11 to 14 V

D70-9 (TX+) - D70-13 (GND)

P - BR

AVC-LAN communication signal

Ignition switch ACC

2 to 3 V

D70-10 (TX-) - D70-13 (GND)

V - BR

AVC-LAN communication signal

Ignition switch ACC

2 to 3 V

D70-13 (GND) - Body ground

BR - Body ground

Ground

Always

Below 1 V

3. HEADPHONE TERMINAL

Text in Illustration

*a

for RH Side

*b

for LH Side

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

S1-1 (HP2R) - Body ground

R - Body ground

Sound signal (Input)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

S1-2 (HP2L) - Body ground

G - Body ground

Sound signal (Input)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

S1-3 (SGN2) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

O1-1 (HP1R) - Body ground

B - Body ground

Sound signal (Input)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

O1-2 (HP1L) - Body ground

W - Body ground

Sound signal (Input)

Ignition switch ACC

RSE system is playing

A waveform synchronized with sound signals is output

O1-3 (SGN1) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

4. VIDEO TERMINAL

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

P3-1 (VAR+) - Body ground

B - Body ground

Sound signal (Output)

External device playing (When video terminal used)

A waveform synchronized with sound signals is output

P3-2 (VAL+) - Body ground

R - Body ground

Sound signal (Output)

External device playing (When video terminal used)

A waveform synchronized with sound signals is output

P3-3 (VA-) - Body ground

W - Body ground

Ground

Always

Below 1 V

P3-5 (VV+) - P3-6 (VV-)

BR - Y

Display signal

VTR is displayed

Pulse generation

(Refer to waveform 1)

P3-7 (SG) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

P3-8 (ADPG) - Body ground

LG - Body ground

Ground

Always

Below 1 V

(a) Using an oscilloscope, check the waveform.

Waveform 1(Reference)

Item

Content

Terminal No. (Symbols)

P3-5 (VV+) - P3-6 (VV-)

Tool Setting

200 mV/DIV., 100 μsec./DIV.

Condition

External device playing (When VTR terminal used)

Text in Illustration

*a

Video Waveform

*b

Synchronization Signal

5. RADIO AND DISPLAY RECEIVER ASSEMBLY (w/o Navigation System) (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: TERMINALS OF ECU )

6. NAVIGATION RECEIVER ASSEMBLY (w/ Navigation System) (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: TERMINALS OF ECU )

7. STEREO COMPONENT AMPLIFIER ASSEMBLY (w/ Navigation System) (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: TERMINALS OF ECU )