Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018QPX
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: TERMINALS OF ECU; 2018 - 2020 MY Sienna [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

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

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

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

D70-11 (ILL+) - D70-13 (GND)

G - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

D70-12 (ILL-) - D70-13 (GND)

GR - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

D70-13 (GND) - Body ground

BR - Body ground

Ground

Always

Below 1 V

3. HEADPHONE TERMINAL

*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. RADIO AND DISPLAY RECEIVER ASSEMBLY (See page 2018 MY Sienna [11/2017 - 08/2018]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: TERMINALS OF ECU 2019 - 2020 MY Sienna [08/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: TERMINALS OF ECU )

5. STEREO COMPONENT AMPLIFIER ASSEMBLY (See page 2018 MY Sienna [11/2017 - 08/2018]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: TERMINALS OF ECU 2019 - 2020 MY Sienna [08/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: TERMINALS OF ECU )