Toyota Avalon Service & Repair Manual: Terminals Of Ecu

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*1

W - BR*2

Sound signal (Front right)*1

Sound signal (Right)*2

Audio system playing

A waveform synchronized with sound signals is output

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

LA-B - BR*1

B - BR*2

Sound signal (Front left)*1

Sound signal (Left)*2

Audio system playing

A waveform synchronized with sound signals is output

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

LA-G - BR*1

Y - BR*2

Sound signal (Rear left)*1

Voice signal*2

Audio system playing*1

Voice guidance sounding*2

A waveform synchronized with sound signals is output*1

A waveform synchronized with voice signals is output*2

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

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*1

R - BR*2

Sound signal (Front right)*1

Sound signal (Right)*2

Audio system playing

A waveform synchronized with sound signals is output

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

LA-R - BR*1

G - BR*2

Sound signal (Front left)*1

Sound signal (Left)*2

Audio system playing

A waveform synchronized with sound signals is output

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

LA-GR - BR*1

BR - BR*2

Sound signal (Rear left)*1

Voice signal*2

Audio system playing

A waveform synchronized with sound signals is output

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

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)

Power switch off

11 to 14 V

G3-5 (TX1+)*2

B

AVC-LAN communication signal

-

-

G3-6 (TX1-)*2

W

AVC-LAN communication signal

-

-

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)

Power switch off

Below 1 V

Power 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

G3-25 (MUT1) - G3-1 (GND1)*2

BE - BR

Mute signal

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

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

LG - BR

Vehicle speed signal

See "Check Vehicle Signal" in Operation Check

Click here

-

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

W - BR

Reverse signal

See "Check Vehicle Signal" in Operation Check

Click here

-

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)

Power switch off

Below 1 V

Power 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

-

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

SB - BR

Microphone voice signal

See "Check Microphone" in Operation Check

Click here

-

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

V - BR

Microphone voice signal

See "Check Microphone" in Operation Check

Click here

-

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+)

-

Data signal

-

-

G108-2 (USB-)

-

Data signal

-

-

G108-3 (USBS)

-

Ground

-

-

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

L - GR

DCM (telephone microphone assembly) power supply

Power switch off

Below 1 V

Power switch on (ACC)

4.75 to 5.25 V

G1-11 (USBG) - Body ground

GR

Ground

-

-

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

- - BR

Power source of antenna

Power switch on (ACC)

Radio switch on and FM or AM selected

11 to 14 V

  • *1: for 8 Speakers
  • *2: for 14 Speakers

STEREO COMPONENT AMPLIFIER ASSEMBLY (for 14 Speakers)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G10-1 (+B) - G10-3 (GND)

L - W-B

Power source (+B)

Power switch off

11 to 14 V

G10-3 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

G10-5 (WF2+) - G10-3 (GND)

W - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

G10-6 (WF1+) - G10-3 (GND)

BE - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

G10-7 (CTR+) - G10-3 (GND)

SB - W-B

Sound signal (Center)

Audio system playing

A waveform synchronized with sound signals is output

G10-8 (TWL+) - G10-3 (GND)

B - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-9 (TWR+) - G10-3 (GND)

BE - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G10-10 (SL+) - G10-3 (GND)

SB - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-11 (SR+) - G10-3 (GND)

B - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

G10-12 (FL+) - G10-3 (GND)

LG - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-13 (FR+) - G10-3 (GND)

W - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G10-14 (RL+) - G10-3 (GND)

B - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-15 (RR+) - G10-3 (GND)

R - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

G10-16 (+B2) - G10-3 (GND)

B - W-B

Power source (+B)

Power switch off

11 to 14 V

G10-18 (GND2) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

G10-20 (WF2-) - G10-3 (GND)

R - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

G10-21 (WF1-) - G10-3 (GND)

L - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

G10-22 (CTR-) - G10-3 (GND)

W - W-B

Sound signal (Center)

Audio system playing

A waveform synchronized with sound signals is output

G10-23 (TWL-) - G10-3 (GND)

GR - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-24 (TWR-) - G10-3 (GND)

L - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G10-25 (SL-) - G10-3 (GND)

P - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-26 (SR-) - G10-3 (GND)

Y - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

G10-27 (FL-) - G10-3 (GND)

W - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-28 (FR-) - G10-3 (GND)

B - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G10-29 (RL-) - G10-3 (GND)

LG - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

G10-30 (RR-) - G10-3 (GND)

W - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

G8-1 (MUTE) - G10-3 (GND)

BE - W-B

Mute signal

Power switch on (ACC)

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

G8-2 (L-) - G10-3 (GND)

G - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

G8-3 (L+) - G10-3 (GND)

B - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

G8-4 (R-) - G10-3 (GND)

R - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

G8-5 (R+) - G10-3 (GND)

W - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

G8-6 (SLD) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G8-7 (TX-)

W

AVC-LAN communication signal

-

-

G8-8 (TX+)

B

AVC-LAN communication signal

-

-

G8-11 (SPD) - G10-3 (GND)

G - W-B

Vehicle speed signal

Power switch on (IG)

Wheel being rotated

Pulse generation

G8-12 (ACC) - G10-3 (GND)

P - W-B

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

G8-14 (II1-) - G10-3 (GND)

BR - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

G8-15 (II1+) - G10-3 (GND)

Y - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

G8-18 (SLD1) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G8-24 (TMUT) - Body ground

BE - Body ground

Mute signal

Power switch on (ACC)

Audio system playing

2.0 V or higher

Emergency call mode

Below 1 V

DCM (TELEMATICS TRANSCEIVER)

Click here

COMBINATION METER ASSEMBLY

Click here

PARKING BRAKE ECU (BRAKE ACTUATOR ASSEMBLY)

Click here

    System Diagram

    Touch Panel Switch does not Function

    See More:

    Toyota Avalon Service & Repair Manual > Airbag System(for Gasoline Model): Front Airbag Sensor (RH) (B1610)
    DESCRIPTION The front airbag sensor RH circuit consists of the airbag ECU assembly and front airbag sensor RH. The front airbag sensor RH detects impacts to the vehicle and sends signals to the airbag ECU assembly to determine if the airbags and pretensioners should be deployed. DTC B1610 is stored ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2024 Copyright www.tavalon.net
    0.0143