Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001K5RV
Model Year Start: 2020 Model: Avalon Prod Date Range: [08/2019 - 08/2020]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): TERMINALS OF ECU; 2020 MY Avalon [08/2019 - 08/2020]

TERMINALS OF ECU

HINT:

Check from the rear of the connector while it is connected to the components.

RADIO AND DISPLAY RECEIVER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G14-1 (FR+) - G3-1 (GND1)

LA-LG - BR

Sound signal (Front right)

Audio system playing

A waveform synchronized with sound signals is output

G14-2 (FL+) - G3-1 (GND1)

LA-B - BR

Sound signal (Front left)

Audio system playing

A waveform synchronized with sound signals is output

G14-3 (RL+) - G3-1 (GND1)

LA-G - BR

Sound signal (Rear left)

Audio system playing

A waveform synchronized with sound signals is output

G14-4 (RR+) - G3-1 (GND1)

LA-R - BR

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

G14-6 (FR-) - G3-1 (GND1)

LA-L - BR

Sound signal (Front right)

Audio system playing

A waveform synchronized with sound signals is output

G14-7 (FL-) - G3-1 (GND1)

LA-R - BR

Sound signal (Front left)

Audio system playing

A waveform synchronized with sound signals is output

G14-8 (RL-) - G3-1 (GND1)

LA-GR - BR

Sound signal (Rear left)

Audio system playing

A waveform synchronized with sound signals is output

G14-9 (RR-) - G3-1 (GND1)

LA-G - BR

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

G3-1 (GND1) - Body ground

BR - Body ground

Ground

Always

Below 1 V

G3-4 (+B1) - G3-1 (GND1)

R - BR

Power source (+B)

Always

11 to 14 V

G3-10 (AGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G3-11 (VAL+) - G3-13 (VA-)

B - R

Sound signal (Left)

External device playing (When stereo jack used)

A waveform synchronized with sound signals is output

G3-12 (VAR+) - G3-13 (VA-)

W - R

Sound signal (Right)

External device playing (When stereo jack used)

A waveform synchronized with sound signals is output

G3-13 (VA-) - G3-1 (GND1)

R - BR

Ground

Always

Below 1 V

G3-14 (ADPG) - G3-1 (GND1)

L - BR

External device connection detection signal

External device connected

Below 1 V

External device not connected

2.1 to 3 V

G3-15 (ACC1) - G3-1 (GND1)

GR - BR

Power source (ACC)

Engine switch off

Below 1 V

Engine switch on (ACC)

11 to 14 V

G3-21 (SW1) - G3-24 (SWG)

W - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 V

Seek+ switch pushed

0.27 to 0.35 V

Seek- switch pushed

0.86 to 1.03 V

Volume+ switch pushed

1.51 to 1.79 V

Volume- switch pushed

2.22 to 2.66 V

G3-22 (SW2) - G3-24 (SWG)

LG - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 V

MODE switch pushed

0.27 to 0.35 V

On/off hook switch pushed

1.51 to 1.79 V

Voice switch pushed

2.22 to 2.66 V

G3-24 (SWG) - G3-1 (GND1)

L - BR

Steering pad switch ground

Always

Below 1 V

G3-27 (SPD) - G3-1 (GND1)

LG - BR

Vehicle speed signal

See "Check Vehicle Signal" in Operation Check

Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): OPERATION CHECK

-

G3-28 (REV) - G3-1 (GND1)

W - BR

Reverse signal

See "Check Vehicle Signal" in Operation Check

Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): OPERATION CHECK

-

G2-3 (TMUT) - G3-1 (GND1)*1

BE - BR

Mute signal

Audio system playing

Above 2.0 V

Emergency call mode

Below 1 V

G2-5 (CNH1)

L

Local bus communication signal

-

-

G2-6 (CNL1)

W

Local bus communication signal

-

-

G2-13 (CANH)

B

CAN communication signal

-

-

G2-14 (CANL)

W

CAN communication signal

-

-

G2-15 (ILL+) - G3-1 (GND1)

G - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

G2-16 (ILL-) - G3-1 (GND1)

BE - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

G2-19 (IG) - G3-1 (GND1)

W - BR

Power source (IG)

Engine switch off

Below 1 V

Engine switch on (IG)

11 to 14 V

G2-20 (PKB) - G3-1 (GND1)

B - BR

Parking brake signal

See "Check Vehicle Signal" in Operation Check

Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): OPERATION CHECK

-

G2-21 (MIN+) - G3-1 (GND1)

SB - BR*1

W - BR*2

Microphone voice signal

See "Check Microphone" in Operation Check

Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): OPERATION CHECK

-

G2-22 (MIN-) - G3-1 (GND1)

V - BR*1

R - BR *2

Microphone voice signal

See "Check Microphone" in Operation Check

Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): OPERATION CHECK

-

G2-23 (MACC) - G3-1 (GND1)*2

B - BR

Microphone power supply

Engine switch off

Below 1 V

Engine switch on (ACC)

4 to 6 V

G2-24 (SGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G2-25 (SNS2) - G3-1 (GND1)

BE - BR

Microphone connection detection signal

Always

Below 1 V

G106-1 (USV1)

-

Power source

-

-

G106-2 (US1-)

-

Data signal

-

-

G106-3 (US1+)

-

Data signal

-

-

G106-4 (UGD1)

-

Ground

-

-

G106-5 (USG1)

-

Shield ground

-

-

G108-1 (USB+)*1

-

Data signal

-

-

G108-2 (USB-)*1

-

Data signal

-

-

G108-3 (USBS)*1

-

Ground

-

-

G1-10 (USBV) - G1-11 (USBG)*1

L - GR

DCM (telephone microphone assembly) power supply

Engine switch off

Below 1 V

Engine switch on (ACC)

4.75 to 5.25 V

G1-11 (USBG) - Body ground*1

GR

Ground

-

-

RA-5 (ANT+) - G3-1 (GND1)

- - BR

Power source of antenna

Engine switch on (ACC)

Radio switch on and FM or AM selected

11 to 14 V

  • *1: w/ Manual (SOS) Switch
  • *2: w/o Manual (SOS) Switch

DCM (TELEMATICS TRANSCEIVER) (w/ Manual (SOS) Switch)

Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): TERMINALS OF ECU

COMBINATION METER ASSEMBLY

Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): TERMINALS OF ECU

SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): TERMINALS OF ECU