Lexus ES manuals

Lexus ES: Terminals Of Ecu

TERMINALS OF ECU

HINT:

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

RADIO RECEIVER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G7-1 (FR+) - G6-1 (GND1)

W - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

G7-2 (FL+) - G6-1 (GND1)

B - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

G7-3 (RL+) - G6-1 (GND1)

B - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

G7-6 (FR-) - G6-1 (GND1)

R - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

G7-7 (FL-) - G6-1 (GND1)

G - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

G7-8 (RL-) - G6-1 (GND1)

W - W-B

Voice signal

Audio system playing

A waveform synchronized with sound signals is output

G6-1 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

G6-2 (GND2) - Body ground

LA-W - Body ground

Ground

Always

Below 1 Ω

G6-3 (+B) - G6-1 (GND1)

LA-B - W-B

Power source (+B)

Power switch off

11 to 14 V

G6-4 (+B1) - G6-1 (GND1)

R - W-B

Power source (+B)

Power switch off

11 to 14 V

G6-5 (TX1+)

B

AVC-LAN communication signal

-

-

G6-6 (TX1-)

W

AVC-LAN communication signal

-

-

G6-10 (AGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G6-11 (VAL+) - G6-13 (VA-)

B - R

Sound signal (Left)

External device playing (When stereo jack used)

A waveform synchronized with sound signals is output

G6-12 (VAR+) - G6-13 (VA-)

W - R

Sound signal (Right)

External device playing (When stereo jack used)

A waveform synchronized with sound signals is output

G6-13 (VA-) - G6-1 (GND1)

R - W-B

Ground

Always

Below 1 V

G6-14 (ADPG) - G6-1 (GND1)

L - W-B

External device connection detection signal

External device connected

Below 1 V

External device not connected

1.1 to 1.9 V

G6-15 (ACC1) - G6-1 (GND1)

GR - W-B

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

G6-16 (ACC) - G6-1 (GND1)

R - W-B

Power source (ACC)

Power switch on (ACC)

11 to 14 V

Power switch off

Below 1 V

G6-17 (TX2+)

B

AVC-LAN communication signal

-

-

G6-18 (TX2-)

W

AVC-LAN communication signal

-

-

G6-21 (SW1) - G6-24 (SWG)

R - 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

G6-22 (SW2) - G6-24 (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

G6-24 (SWG) - Body ground

BR - Body ground

Steering pad switch ground

Always

Below 1 Ω

G6-25 (MUT1) - G6-1 (GND1)

G - W-B

Mute signal

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

G6-27 (SPD) - G6-1 (GND1)

BE - W-B

Vehicle speed signal

See "Check Vehicle Signal" in Operation Check

Click here

-

G4-1 (VMTF) - G6-1 (GND1)

G - W-B

Visual mute signal

Power switch on (ACC) Screen display changing

3.5 V or higher → Below 1 V → 3.5 V or higher

G4-5 (CNH1)

L

Local bus communication signal

-

-

G4-6 (CNL1)

W

Local bus communication signal

-

-

G4-13 (CANH)

B

CAN communication signal

-

-

G4-14 (CANL)

W

CAN communication signal

-

-

G4-15 (ILL+) - G6-1 (GND1)

G - W-B

Illumination signal

Light control switch off

Below 1 V

Power switch off

Light control switch in tail or head position

11 to 14 V

G4-16 (ILL-) - G6-1 (GND1)

B - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

G4-19 (IG) - G6-1 (GND1)

SB - W-B

Power source (IG)

Power switch off

Below 1 V

Power switch on (IG)

11 to 14 V

G4-21 (MIN+) - G6-1 (GND1)

P - W-B*1

W - W-B*2

Microphone voice signal

See "Check Microphone" in Operation Check

Click here

-

G4-22 (MIN-) - G6-1 (GND1)

L - W-B*1

R - W-B*2

Microphone voice signal

See "Check Microphone" in Operation Check

Click here

-

G4-23 (MACC) - G6-1 (GND1)*2

B - W-B

Microphone power supply

Power switch off

Below 1 V

Power switch on (ACC)

4 to 6 V

G4-24 (SGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G4-25 (SNS2) - G6-1 (GND1)

W - W-B

Microphone connection detection signal

Always

Below 1 V

G112-1 (USV1)

-

Power source

-

-

G112-2 (US1-)

-

Data signal

-

-

G112-3 (US1+)

-

Data signal

-

-

G112-4 (UGD1)

-

Ground

-

-

G112-5 (USG1)

-

Shield ground

-

-

G119-1 (USB+)*1

-

Data signal

-

-

G119-2 (USB-)*1

-

Data signal

-

-

G119-3 (USBS)*1

-

Ground

-

-

G111-1 (GVIF-)

-

Video signal (Digital)

-

-

G111-2 (GVIF+)

-

Video signal (Digital)

-

-

G111-3 (GND)

Shielded

Shield ground

-

-

G2-10 (USBV) - G2-11 (USBG)*1

B - G

DCM (telematics transceiver) power supply

Power switch off

Below 1 V

Power switch on (ACC)

4.75 to 5.25 V

G2-11 (USBG) - Body ground*1

G

Ground

Always

Below 1 Ω

G2-12 (SGND) - Body ground*1

Shielded - Body ground

Shield ground

Always

Below 1 Ω

RA-5 (ANT+) - G6-1 (GND1)

- - W-B

Power source of antenna

Power 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

STEREO COMPONENT AMPLIFIER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G11-1 (+B) - G11-3 (GND)*1

L - W-B

Power source (+B)

Power switch off

11 to 14 V

G11-2 (TMUT) - Body ground*2

BE - Body ground

Mute signal

Power switch on (ACC)

Audio system playing

2.0 V or higher

Emergency call mode

Below 1 V

G11-3 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

G11-4 (WFL+) - G11-3 (GND)

LG - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-5 (WFR+) - G11-3 (GND)

R - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G11-6 (WF1+) - G11-3 (GND)

BE - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

G11-7 (CTR+) - G11-3 (GND)

G - W-B

Sound signal (Front Center)

Audio system playing

A waveform synchronized with sound signals is output

G11-8 (RL+) - G11-3 (GND)

B - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-9 (RR+) - G11-3 (GND)

P - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

G11-10 (TWL+) - G11-3 (GND)*1

L - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-11 (TWR+) - G11-3 (GND)*1

L - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G11-12 (FL+) - G11-3 (GND)

GR - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-13 (FR+) - G11-3 (GND)

B - W-B*2

P - W-B*3

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G11-16 (+B2) - G11-3 (GND)

B - W-B

Power source (+B)

Power switch off

11 to 14 V

G11-17 (SPD) - G11-3 (GND)

GR - W-B

Vehicle speed signal

Power switch on (IG)

Wheel being rotated

Pulse generation

G11-18 (GND2) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

G11-19 (WFL-) - G11-3 (GND)

P - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-20 (WFR-) - G11-3 (GND)

SB - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G11-21 (WF1-) - G11-3 (GND)

L - W-B

Sound signal (Woofer)

Audio system playing

A waveform synchronized with sound signals is output

G11-22 (CTR-) - G11-3 (GND)

W - W-B

Sound signal (Front Center)

Audio system playing

A waveform synchronized with sound signals is output

G11-23 (RL-) - G11-3 (GND)

Y - W-B

Sound signal (Rear Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-24 (RR-) - G11-3 (GND)

W - W-B

Sound signal (Rear Right)

Audio system playing

A waveform synchronized with sound signals is output

G11-25 (TWL-) - G11-3 (GND)*1

W - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-26 (TWR-) - G11-3 (GND)*1

R - W-B

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G11-27 (FL-) - G11-3 (GND)

W - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-28 (FR-) - G11-3 (GND)

W - W-B*2

V - W-B*3

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G9-1 (MUTE) - G11-3 (GND)

G - W-B

Mute signal

Power switch on (ACC)

Audio system playing

2.0 V or higher

Audio system changing modes

Below 1 V

G9-2 (L-) - G11-3 (GND)

G - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

G9-3 (L+) - G11-3 (GND)

B - W-B

Sound signal (Left)

Audio system playing

A waveform synchronized with sound signals is output

G9-4 (R-) - G11-3 (GND)

R - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

G9-5 (R+) - G11-3 (GND)

W - W-B

Sound signal (Right)

Audio system playing

A waveform synchronized with sound signals is output

G9-6 (SLD) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G9-7 (TX-)

W

AVC-LAN communication signal

-

-

G9-8 (TX+)

B

AVC-LAN communication signal

-

-

G9-12 (ACC) - G11-3 (GND)

W - W-B

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

G9-14 (II1-) - G11-3 (GND)

W - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

G9-15 (II1+) - G11-3 (GND)

B - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with voice signals is output

G9-18 (SLD1) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

  • *1: for 17 Speakers
  • *2: w/ Manual (SOS) Switch
  • *3: w/o Manual (SOS) Switch

MULTI-DISPLAY ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G22-2 (ILL) - G22-13 (GND1)

LA-R - LA

Illumination signal

Light control switch off

Below 1 V

Power switch off

Light control switch in tail or head position

11 to 14 V

G22-6 (TX1+)

B

AVC-LAN communication signal

-

-

G22-7 (TX+)

B

AVC-LAN communication signal

-

-

G22-8 (V+) - G22-13 (GND1)*1

B - LA

Video signal

Power switch on (IG)

Shift lever in R

Camera lens not covered, displaying image

Pulse generation

(Refer to waveform 1)

Power switch on (IG)

Shift lever in R

Camera lens covered, blacking out screen

Pulse generation

(Refer to waveform 2)

G22-9 (V-) - G22-13 (GND1)*1

W - LA

Ground

Always

Below 1 V

G22-10 (CA+) - G22-21(CGND)*1

R - G

Rear television camera assembly power supply

Power switch on (ACC)

5.5 to 7.05 V

G22-11 (VMTI) - G22-13 (GND1)

G - LA

Visual mute signal

When image on display switches

3.5 V or higher

→ Below 1 V

→ 3.5 V or higher

G22-12 (B) - G22-13 (GND1)

R - LA

Power source (+B)

Power switch off

11 to 14 V

G22-13 (GND1) - Body ground

LA - Body ground

Ground

Always

Below 1 Ω

G22-18 (TX1-)

W

AVC-LAN communication signal

-

-

G22-19 (TX-)

W

AVC-LAN communication signal

-

-

G22-20 (CSLD) - Body ground*1

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G22-21 (CGND) - Body ground*1

G - Body ground

Camera ground

Always

Below 1 Ω

G22-24 (ACC) - G22-13 (GND1)

GR - LA

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

G113-1 (GVIF+)

-

Video signal (Digital)

-

-

G113-2 (GVIF-)

-

Video signal (Digital)

-

-

G113-3 (GND)

Shielded

Shield ground

-

-

G100-1 (GV+)*2

-

Video signal (Digital)

-

-

G100-2 (GV-)*2

-

Video signal (Digital)

-

-

G100-3 (GND)*2

Shielded

Shield ground

-

-

  • *1: w/ Parking Assist Monitor System
  • *2: w/ Panoramic View Monitor System

(a) Reference (Oscilloscope waveform):

(w/ Parking Assist Monitor System)

(1) Waveform 1 (camera lens not covered, displaying an image)

Item

Content

Measurement terminal

G22-8 (V+) - G22-13 (GND1)

Measurement setting

200 mV/DIV., 50 μs/DIV.

Condition

Power switch on (IG), shift lever in R

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the power switch is on (ACC).

*a

Waveform 1 (camera lens is not covered, displaying an image)

*b

Waveform 2 (camera lens is covered, blacking out the screen)

*c

Synchronization Signal

*d

Video Waveform

(2) Waveform 2 (camera lens covered, blacking out the screen)

Item

Content

Measurement terminal

G22-8 (V+) - G22-13 (GND1)

Measurement setting

200 mV/DIV., 50 μs/DIV.

Condition

Power switch on (IG), shift lever in R

HINT:

  • The video waveform changes according to the image sent by the rear television camera assembly.
  • The video waveform is constantly output when the power switch is on (ACC).

REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G56-1 (+B) - G56-10 (GND)

R - LA

Power source (+B)

Power switch off

11 to 14 V

G56-2 (ILL+) - G56-10 (GND)

SB - LA

Illumination signal

Light control switch off

Below 1 V

Power switch off

Light control switch in tail or head position

11 to 14 V

G56-5 (ILL-) - G56-10 (GND)

GR - LA

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

G56-6 (ACC) - G56-10 (GND)

P - LA

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

G56-8 (MO-)

W

Local bus communication signal

-

-

G56-9 (MO+)

B

Local bus communication signal

-

-

G56-10 (GND) - Body ground

LA - Body ground

Ground

Always

Below 1 Ω

CLOCK ASSEMBLY

Terminal No.

(Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G44-1 (B) - G44-7 (E)

LA-L - W-B

Power source (+B)

Power switch off

11 to 14 V

G44-2 (ACC) - G44-7 (E)

R - W-B

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

G44-5 (TX+1)

P

Local bus communication signal

-

-

G44-6 (TX-1)

W

Local bus communication signal

-

-

G44-7 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

AIR CONDITIONING CONTROL ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G23-1 (TX1+)

B

AVC-LAN communication signal

-

-

G23-2 (TX1-)

W

AVC-LAN communication signal

-

-

G23-4 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

G23-7 (ACC) - G23-4 (E)

P - W-B

Power source (ACC)

Power switch off

Below 1 V

Power switch on (ACC)

11 to 14 V

G23-8 (IG+) - G23-4 (E)

R - W-B

Power source (IG)

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

G23-16 (+B) - G23-4 (E)

GR - W-B

Power source (+B)

Power switch off

11 to 14 V

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

Click here

COMBINATION METER ASSEMBLY

Click here

PARKING ASSIST ECU (w/ Panoramic View Monitor System)

Click here

REAR TELEVISION CAMERA ASSEMBLY (w/ Parking Assist Monitor System)

Click here

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