Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001XH3K
Model Year Start: 2022 Model: GR Corolla Prod Date Range: [06/2021 - 09/2022]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: TERMINALS OF ECU; 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2021 - 09/2022]

TERMINALS OF ECU

HINT:

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

RADIO AND DISPLAY RECEIVER ASSEMBLY (for Hatchback Model)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I71-1 (FR+) - I55-1 (GND1)

G - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

I71-2 (FL+) - I55-1 (GND1)

W - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

I71-3 (RL+) - I55-1 (GND1)

L - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

I71-6 (FR-) - I55-1 (GND1)

R - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

I71-7 (FL-) - I55-1 (GND1)

B - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

I71-8 (RL-) - I55-1 (GND1)

R - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

I55-1 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

I55-4 (+B1) - I55-1 (GND1)

LA-SB - W-B

Power source (+B)

Always

11 to 14 V

I55-5 (TX1+)

R

AVC-LAN communication signal

-

-

I55-6 (TX1-)

L

AVC-LAN communication signal

-

-

I55-15 (ACC1) - I55-1 (GND1)

B - W-B

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch to ACC

11 to 14 V

I55-21 (SW1) - I55-24 (SWG)

L - BR

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

I55-22 (SW2) - I55-24 (SWG)

G - BR

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

I55-24 (SWG) - I55-1 (GND1)

BR - W-B

Steering pad switch ground

Always

Below 1 V

I55-25 (MUT1) - I55-1 (GND1)

LG - W-B

Mute signal

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

I55-27 (SPD) - I55-1 (GND1)

V - W-B

Vehicle speed signal

See "Check Vehicle Signal" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I55-28 (REV) - I55-1 (GND1)

G - W-B

Reverse signal

See "Check Vehicle Signal" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I56-5 (CNH1)

L

Local bus communication signal

-

-

I56-6 (CNL1)

Y

Local bus communication signal

-

-

I56-13 (CANH)

B

CAN communication signal

-

-

I56-14 (CANL)

W

CAN communication signal

-

-

I56-15 (ILL+) - I55-1 (GND1)

BR - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

I56-16 (ILL-) - I55-1 (GND1)

W-B - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

I56-19 (IG) - I55-1 (GND1)

R - W-B

Power source (IG)

Ignition switch off

Below 1 V

Ignition switch to ON

11 to 14 V

I56-20 (PKB) - I55-1 (GND1)

LG - W-B*6

Parking brake signal

See "Check Vehicle Signal" in Operation Check

Click here

-

I56-21 (MIN+) - I55-1 (GND1)

B - W-B

Microphone voice signal

See "Check Microphone" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I56-22 (MIN-) - I55-1 (GND1)

W - W-B

Microphone voice signal

See "Check Microphone" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I56-24 (SGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

I56-25 (SNS2) - I55-1 (GND1)

BR - W-B

Microphone connection detection signal

Always

Below 1 V

x2-1 (USV1)

-

Power source

-

-

x2-2 (US1-)

-

Data signal

-

-

x2-3 (US1+)

-

Data signal

-

-

x2-4 (UGD1)

-

Ground

-

-

x2-5 (USG1)

Shielded

Shield ground

-

-

t5-1 (US4+)

-

USB communication line

-

-

t5-2 (US4-)

-

USB communication line

-

-

t5-3 (UGD4) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

t4-1 (GV2-)

-

Video signal (Digital)

-

-

t4-2 (GV2+)

-

Video signal (Digital)

-

-

t4-3 (GVG2) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

I57-7 (SUP) - I55-1 (GND1)

W - W-B

Start up signal

20 seconds elapse after turning the ignition switch to ACC

11 to 14 V

I57-10 (USBV)

G

DCM (telematics transceiver) power supply

Ignition switch off

Below 1 V

Ignition switch to ACC

4.75 to 5.25 V

I57-11 (USBG)

V

Ground

-

-

I57-19 (RST)*

L

-

-

-

I57-22 (SI+) - I55-1 (GND1)

B - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

I57-23 (SI-) - I55-1 (GND1)

W - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

I57-24 (SGND) - I55-1 (GND1)

Shielded - W-B

Shield ground

Always

Below 1 Ω

I57-25 (MCO+) - I57-26 (MCO-)

B - W

Microphone voice signal

See "Check Microphone (DCU)" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I57-26 (MCO-) - I55-1 (GND1)

W - W-B

Microphone voice signal

See "Check Microphone (DCU)" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I57-28 (REV2) - I55-1 (GND1)

B - W-B

Reverse signal

Engine running, shift lever not in R → in R

2 V or less → 11 to 14 V

RA-5 (ANT+) - I55-1 (GND1)

- - W-B

Power source of antenna

Ignition switch to ACC

Radio switch on and FM or AM selected

11 to 14 V

  • *: Terminal exists but is not used

RADIO AND DISPLAY RECEIVER ASSEMBLY (for Sedan Model)

*1

w/ Manual (SOS) Switch

*2

w/o Manual (SOS) Switch

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I71-1 (FR+) - I55-1 (GND1)

LA-Y - W-B*2*4

LA-G - W-B*2*5

G - W-B*3

Sound signal (Front right)*2

Sound signal (Right)*3

Audio system playing

A waveform synchronized with sound signals is output

I71-2 (FL+) - I55-1 (GND1)

LA-Y - W-B*2

W - W-B*3

Sound signal (Front left)*2

Sound signal (Left)*3

Audio system playing

A waveform synchronized with sound signals is output

I71-3 (RL+) - I55-1 (GND1)

V - W-B*2

L - W-B*3

Sound signal (Rear left)*2

Voice signal*3

Audio system playing*2

Voice guidance sounding*3

A waveform synchronized with sound signals is output*2

A waveform synchronized with voice signals is output*3

I71-4 (RR+) - I55-1 (GND1)*2

V - W-B

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

I71-6 (FR-) - I55-1 (GND1)

LA-B - W-B*2*4

LA-L - W-B*2*5

R - W-B*3

Sound signal (Front right)*2

Sound signal (Right)*3

Audio system playing

A waveform synchronized with sound signals is output

I71-7 (FL-) - I55-1 (GND1)

LA-B - W-B*2

B - W-B*3

Sound signal (Front left)*2

Sound signal (Left)*3

Audio system playing

A waveform synchronized with sound signals is output

I71-8 (RL-) - I55-1 (GND1)

P - W-B*2

R - W-B*3

Sound signal (Rear left)*2

Voice signal*3

Audio system playing*2

Voice guidance sounding*3

A waveform synchronized with sound signals is output*2

A waveform synchronized with voice signals is output*3

I71-9 (RR-) - I55-1 (GND1)*2

P - W-B

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

I55-1 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

I55-4 (+B1) - I55-1 (GND1)

LA-SB - W-B

Power source (+B)

Always

11 to 14 V

I55-5 (TX1+)*3

R

AVC-LAN communication signal

-

-

I55-6 (TX1-)*3

L

AVC-LAN communication signal

-

-

I55-15 (ACC1) - I55-1 (GND1)

B - W-B

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch to ACC

11 to 14 V

I55-21 (SW1) - I55-24 (SWG)

L - BR

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

I55-22 (SW2) - I55-24 (SWG)

G - BR

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

I55-24 (SWG) - I55-1 (GND1)

BR - W-B

Steering pad switch ground

Always

Below 1 V

I55-25 (MUT1) - I55-1 (GND1)*3

LG - W-B

Mute signal

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

I55-27 (SPD) - I55-1 (GND1)

BR - W-B

Vehicle speed signal

See "Check Vehicle Signal" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I55-28 (REV) - I55-1 (GND1)

G - W-B

Reverse signal

See "Check Vehicle Signal" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I56-3 (TMUT) - I55-1 (GND1)*2*5

LG - W-B

Mute signal

Audio system playing

Above 2.0 V

Emergency call mode

Below 1 V

I56-5 (CNH1)

P

Local bus communication signal

-

-

I56-6 (CNL1)

BR

Local bus communication signal

-

-

I56-13 (CANH)

B

CAN communication signal

-

-

I56-14 (CANL)

W

CAN communication signal

-

-

I56-15 (ILL+) - I55-1 (GND1)

P - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

I56-16 (ILL-) - I55-1 (GND1)

L - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

I56-19 (IG) - I55-1 (GND1)

L - W-B

Power source (IG)

Ignition switch off

Below 1 V

Ignition switch to ON

11 to 14 V

I56-20 (PKB) - I55-1 (GND1)

Y - W-B*6

GR - W-B*7

Parking brake signal

See "Check Vehicle Signal" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I56-21 (MIN+) - I55-1 (GND1)

W - W-B*4

B - W-B*5

Microphone voice signal

See "Check Microphone" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I56-22 (MIN-) - I55-1 (GND1)

R - W-B*4

W - W-B*5

Microphone voice signal

See "Check Microphone" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I56-23 (MACC) - I55-1 (GND1)*4

B - W-B

Microphone power supply

Ignition switch off

Below 1 V

Ignition switch to ACC

4 to 6 V

I56-24 (SGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

I56-25 (SNS2) - I55-1 (GND1)

BR - W-B

Microphone connection detection signal

Always

Below 1 V

x2-1 (USV1)

-

Power source

-

-

x2-2 (US1-)

-

Data signal

-

-

x2-3 (US1+)

-

Data signal

-

-

x2-4 (UGD1)

-

Ground

-

-

x2-5 (USG1)

Shielded

Shield ground

-

-

t5-1 (US4+)*5

s3-1 (US4+)*4

-

USB communication line

-

-

t5-2 (US4-)*5

s3-2 (US4-)*4

-

USB communication line

-

-

t5-3 (UGD4) - Body ground*5

s3-3 (UGD4) - Body ground*4

Shielded - Body ground

Shield ground

Always

Below 1 Ω

t4-1 (GV2-)*5

s2-1 (GV2-)*4

-

Video signal (Digital)

-

-

t4-2 (GV2+)*5

s2-2 (GV2+)*4

-

Video signal (Digital)

-

-

t4-3 (GVG2) - Body ground*5

s2-3 (GVG2) - Body ground*4

Shielded - Body ground

Shield ground

Always

Below 1 Ω

I57-7 (SUP) - I55-1 (GND1)

W - W-B

Start up signal

20 seconds elapse after turning the ignition switch to ACC

11 to 14 V

I57-10 (USBV)*5

G

DCM (telematics transceiver) power supply

Ignition switch off

Below 1 V

Ignition switch to ACC

4.75 to 5.25 V

I57-11 (USBG)*5

V

Ground

-

-

I57-19 (RST)*1

L

-

-

-

I57-22 (SI+) - I55-1 (GND1)

B - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

I57-23 (SI-) - I55-1 (GND1)

W - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

I57-24 (SGND) - I55-1 (GND1)

Shielded - W-B

Shield ground

Always

Below 1 Ω

I57-25 (MCO+) - I57-26 (MCO-)

B - W

Microphone voice signal

See "Check Microphone (DCU)" in Operation Check

-

I57-26 (MCO-) - I55-1 (GND1)

W - W-B

Microphone voice signal

See "Check Microphone (DCU)" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I57-28 (REV2) - I55-1 (GND1)

Y - W-B

Reverse signal

Engine running, shift lever not in R → in R

2 V or less → 11 to 14 V

RA-5 (ANT+) - I55-1 (GND1)

- - W-B

Power source of antenna

Ignition switch to ACC

Radio switch on and FM or AM selected

11 to 14 V

  • *1: Terminal exists but is not used
  • *2: w/o Stereo Component Amplifier
  • *3: w/ Stereo Component Amplifier
  • *4: w/o Manual (SOS) Switch
  • *5: w/ Manual (SOS) Switch
  • *6: w/ Electric Parking Brake System
  • *7: w/o Electric Parking Brake System

NAVIGATION ECU

*1

w/ Manual (SOS) Switch

*2

w/o Manual (SOS) Switch

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I69-6 (VOI+) - I69-23 (GND)

B - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

I69-7 (VOI-) - I69-23 (GND)

W - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

I69-8 (SLD1) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

I69-9 (SPD) - I69-23 (GND)

BR - W-B*4

G - W-B*5

Vehicle speed signal

See "Check GPS and Vehicle Sensors" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I69-10 (+B) - I69-23 (GND)

V - W-B*4

B - W-B*5

Power source (+B)

Always

11 to 14 V

I69-13 (MIC+) - I69-23 (GND)

B - W-B

Microphone voice signal

See "Microphone Check (MEU)" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I69-14 (MIC-) - Body ground

W - Body ground

Microphone voice signal

See "Microphone Check (MEU)" in Operation Check

2021 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 11/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK

-

I69-19 (REV2) - I69-23(GND)

B - W-B*4

Y - W-B*5

Reverse signal

Engine running, shift lever not in R → in R

2 V or less → 11 to 14 V

I69-21 (SUP) - I69-23 (GND)

W - W-B

Power source (ACC)

20 seconds elapse after turning the ignition switch to ACC

11 to 14 V

I69-22 (RST)*1

L

-

-

-

I69-23 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

t6-1 (USB+)

-

USB communication line

-

-

t6-2 (USB-)

-

USB communication line

-

-

t6-3 (USBS) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

t3-1 (GVO-)*2

s1-1 (GVO-)*3

-

Video signal (Digital)

-

-

t3-2 (GVO+)*2

s1-2 (GVO+)*3

-

Video signal (Digital)

-

-

t3-3 (GVG1) - Body ground*2

s1-3 (GVG1) - Body ground*3

Shielded - Body ground

Shield ground

Always

Below 1 Ω

t3-4 (US4+)*2

s1-4 (US4+)*3

-

USB communication line

-

-

t3-5 (US4-)*2

s1-5 (US4-)*3

-

USB communication line

-

-

t3-6 (UGD4) - Body ground*2

s1-6 (UGD4) - Body ground*3

Shielded - Body ground

Shield ground

Always

Below 1 Ω

  • *1: Terminal exists but is not used
  • *2: w/ Manual (SOS) Switch
  • *3: w/o Manual (SOS) Switch
  • *4: for Hatchback Model
  • *5: for Sedan Model

STEREO COMPONENT AMPLIFIER ASSEMBLY (w/ Stereo Component Amplifier Assembly)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

I54-1 (+B) - I54-3 (GND)

B - W-B

Power source (+B)

Always

11 to 14 V

I54-3 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

I54-8 (WF2+) - I54-3 (GND)*2

P - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

I54-9 (RL+) - I54-3 (GND)

B - W-B*2

R - W-B*3

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

I54-10 (WF1+) - I54-3 (GND)*2

LG - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

I54-11 (RR+) - I54-3 (GND)

R - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

I54-12 (TWL+) - I54-3 (GND)

P - W-B*2

R - W-B*3

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

I54-13 (FL+) - I54-3 (GND)

G - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

I54-14 (TWR+) - I54-3 (GND)

P - W-B*1

Y - W-B*4

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

I54-15 (FR+) - I54-3 (GND)

Y - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

I54-23 (WF2-) - I54-3 (GND)*2

V - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

I54-24 (RL-) - I54-3 (GND)

G - W-B*2

W - W-B*3

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

I54-25 (WF1-) - I54-3 (GND)*2

L - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

I54-26 (RR-) - I54-3 (GND)

W - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

I54-27 (TWL-) - I54-3 (GND)

V - W-B*2

W - W-B*3

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

I54-28 (FL-) - I54-3 (GND)

L - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

I54-29 (TWR-) - I54-3 (GND)

BR - W-B*1

B - W-B*4

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

I54-30 (FR-) - I54-3 (GND)

B - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

I68-1 (MUTE) - I54-3 (GND)

LG - W-B

Mute signal

Ignition switch to ACC

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

I68-2 (L-) - I54-3 (GND)

B - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

I68-3 (L+) - I54-3 (GND)

W - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

I68-4 (R-) - I54-3 (GND)

R - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

I68-5 (R+) - I54-3 (GND)

G - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

I68-6 (SLD) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

I68-7 (TX-)

L

AVC-LAN communication signal

-

-

I68-8 (TX+)

R

AVC-LAN communication signal

-

-

I68-11 (SPD) - I54-3 (GND)

W - W-B*2

V - W-B*3

Vehicle speed signal

Ignition switch to ON

Wheel being rotated

Pulse generation

I68-12 (ACC) - I54-3 (GND)

R - W-B*2

BR - W-B*3

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch to ACC

11 to 14 V

I68-14 (II1-) - I54-3 (GND)

R - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

I68-15 (II1+) - I54-3 (GND)

L - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

I68-18 (SLD1) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

I68-24 (TMUT) - Body ground*1

L - Body ground

Mute signal

Ignition switch to ACC

Audio system playing

2.0 V or higher

Emergency call mode

Below 1 V

  • *1: w/ Manual (SOS) Switch

    *2: for Sedan Model

    *3: for Hatchback Model

    *4: w/o Manual (SOS) Switch

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

Click here 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): TERMINALS OF ECU

COMBINATION METER ASSEMBLY

Click here 2022 MY Corolla Corolla Hatchback GR Corolla [06/2021 - 09/2022]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): TERMINALS OF ECU

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

Click here 2019 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 09/2022]; METER / GAUGE / DISPLAY: HEADUP DISPLAY SYSTEM: TERMINALS OF ECU

SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

Click here 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): TERMINALS OF ECU