Last Modified: 06-08-2026 6.11:8.1.0 Doc ID: RM100000001KN2X
Model Year Start: 2020 Model: Camry HV Prod Date Range: [09/2019 - 10/2020]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: TERMINALS OF ECU; 2020 MY Camry HV [09/2019 - 10/2020]

TERMINALS OF ECU

HINT:

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

1. RADIO AND DISPLAY RECEIVER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

K4-1 (FR+) - K3-1 (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

K4-2 (FL+) - K3-1 (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

K4-3 (RL+) - K3-1 (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

K4-4 (RR+) - K3-1 (GND1)*1

LA-R - BR

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

K4-6 (FR-) - K3-1 (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

K4-7 (FL-) - K3-1 (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

K4-8 (RL-) - K3-1 (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

K4-9 (RR-) - K3-1 (GND1)*1

LA-G - BR

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

K3-1 (GND1) - Body ground

BR - Body ground

Ground

Always

Below 1 V

K3-4 (+B1) - K3-1 (GND1)

LG - BR*5

R - BR*6

Power source (+B)

Power switch off

11 to 14 V

K3-5 (TX1+)*2

B

AVC-LAN communication signal

-

-

K3-6 (TX1-)*2

W

AVC-LAN communication signal

-

-

K3-15 (ACC1) - K3-1 (GND1)

GR - BR

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

K3-21 (SW1) - K3-24 (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

Up switch pushed

0.27 to 0.35 V

Down 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

K3-22 (SW2) - K3-24 (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

K3-24 (SWG) - K3-1 (GND1)

L - BR

Steering pad switch ground

Always

Below 1 V

K3-25 (MUT1) - K3-1 (GND1)*2

BE - BR

Mute signal

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

K3-27 (SPD) - K3-1 (GND1)

LG - BR

Vehicle speed signal

See "Check Vehicle Signal" in Operation Check

Click here 2020 MY Camry HV [09/2019 - 10/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: OPERATION CHECK

-

K3-28 (REV) - K3-1 (GND1)

W - BR

Reverse signal

See "Check Vehicle Signal" in Operation Check

Click here 2020 MY Camry HV [09/2019 - 10/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: OPERATION CHECK

-

K2-3 (TMUT) - K3-1 (GND1)*3

BE - BR

Mute signal

Audio system playing

Above 2.0 V

Emergency call mode

Below 1 V

K2-5 (CNH1)*5

L

Local bus communication signal

-

-

K2-6 (CNL1)*5

W

Local bus communication signal

-

-

K2-13 (CANH)

B

CAN communication signal

-

-

K2-14 (CANL)

W

CAN communication signal

-

-

K2-15 (ILL+) - K3-1 (GND1)

G - BR

Illumination signal

Light control switch off

Below 1 V

Power switch off

Light control switch in tail or head position

11 to 14 V

K2-16 (ILL-) - K3-1 (GND1)

BE - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

K2-19 (IG) - K3-1 (GND1)

W - BR

Power source (IG)

Power switch off

Below 1 V

Power switch on (IG)

11 to 14 V

K2-20 (PKB) - K3-1 (GND1)

B - BR

Parking brake signal

See "Check Vehicle Signal" in Operation Check

Click here 2020 MY Camry HV [09/2019 - 10/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: OPERATION CHECK

-

K2-21 (MIN+) - K3-1 (GND1)

SB - BR*3

W - BR*4

Microphone voice signal

See "Check Microphone" in Operation Check

Click here 2020 MY Camry HV [09/2019 - 10/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: OPERATION CHECK

-

K2-22 (MIN-) - K3-1 (GND1)

V - BR*3

R - BR *4

Microphone voice signal

See "Check Microphone" in Operation Check

Click here 2020 MY Camry HV [09/2019 - 10/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: OPERATION CHECK

-

K2-23 (MACC) - K3-1 (GND1)*4

B - BR

Microphone power supply

Power switch off

Below 1 V

Power switch on (ACC)

4 to 6 V

K2-24 (SGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

K2-25 (SNS2) - K3-1 (GND1)

BE - BR

Microphone connection detection signal

Always

Below 1 V

K135-1 (USV1)

-

Power source

-

-

K135-2 (US1-)

-

Data signal

-

-

K135-3 (US1+)

-

Data signal

-

-

K135-4 (UGD1)

-

Ground

-

-

K135-5 (USG1)

-

Shield ground

-

-

K136-1 (USB+)*3

-

Data signal

-

-

K136-2 (USB-)*3

-

Data signal

-

-

K136-3 (USBS)*3

-

Ground

-

-

K1-10 (USBV) - K1-11 (USBG)*3

L - GR

DCM (telephone microphone assembly) power supply

Power switch off

Below 1 V

Power switch on (ACC)

4.75 to 5.25 V

K1-11 (USBG) - Body ground*3

GR

Ground

-

-

RA-5 (ANT+) - K3-1 (GND1)

- - BR

Power source of antenna

Power switch on (ACC)

Radio switch on and FM or AM selected

11 to 14 V
  • *1: for 6 Speakers
  • *2: for 9 Speakers
  • *3: w/ Manual (SOS) Switch
  • *4: w/o Manual (SOS) Switch
  • *5: for 8 Inch Display Type
  • *6: for 7 Inch Display Type

2. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 9 Speakers)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

K14-1 (+B) - K14-3 (GND)

L - W-B

Power source (+B)

Power switch off

11 to 14 V

K14-3 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

K14-8 (WF2+) - K14-3 (GND)

W - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

K14-9 (RL+) - K14-3 (GND)

B - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

K14-10 (WF1+) - K14-3 (GND)

BE - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

K14-11 (RR+) - K14-3 (GND)

R - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

K14-12 (TWL+) - K14-3 (GND)

B - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

K14-13 (FL+) - K14-3 (GND)

LG - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

K14-14 (TWR+) - K14-3 (GND)

W - W-B*1

BE - W-B*2

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

K14-15 (FR+) - K14-3 (GND)

BE - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

K14-16 (+B2) - K14-3 (GND)

B - W-B

Power source (+B)

Power switch off

11 to 14 V

K14-18 (GND2) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

K14-23 (WF2-) - K14-3 (GND)

R - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

K14-24 (RL-) - K14-3 (GND)

LG - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

K14-25 (WF1-) - K14-3 (GND)

L - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

K14-26 (RR-) - K14-3 (GND)

W - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

K14-27 (TWL-) - K14-3 (GND)

GR - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

K14-28 (FL-) - K14-3 (GND)

W - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

K14-29 (TWR-) - K14-3 (GND)

B - W-B*1

L - W-B*2

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

K14-30 (FR-) - K14-3 (GND)

L - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

K9-1 (MUTE) - K14-3 (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

K9-2 (L-) - K14-3 (GND)

G - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

K9-3 (L+) - K14-3 (GND)

B - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

K9-4 (R-) - K14-3 (GND)

R - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

K9-5 (R+) - K14-3 (GND)

W - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

K9-6 (SLD) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

K9-7 (TX-)

W

AVC-LAN communication signal

-

-

K9-8 (TX+)

B

AVC-LAN communication signal

-

-

K9-11 (SPD) - K14-3 (GND)

G - W-B

Vehicle speed signal

Power switch on (IG)

Wheel being rotated

Pulse generation

K9-12 (ACC) - K14-3 (GND)

LG - W-B

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

K9-14 (II1-) - K14-3 (GND)

BR - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

K9-15 (II1+) - K14-3 (GND)

Y - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

K9-18 (SLD1) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

K9-24 (TMUT) - Body ground*1

BE - Body ground

Mute signal

Power switch on (ACC)

Audio system playing

2.0 V or higher

Emergency call mode

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

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

Click here 2020 - 2024 MY Camry HV [09/2019 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: TERMINALS OF ECU

4. COMBINATION METER ASSEMBLY

Click here 2020 MY Camry HV [09/2019 - 10/2020]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: TERMINALS OF ECU

5. HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) (w/ Headup Display System)

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: HEADUP DISPLAY SYSTEM: TERMINALS OF ECU

6. PARKING BRAKE ECU (BRAKE ACTUATOR ASSEMBLY)

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM: TERMINALS OF ECU