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

*1: w/ Manual (SOS) Switch

*2: It is connected, but not used

*3: w/o Manual (SOS) Switch

G3-1 (VMTF) - G5-1 (GND1)

G - W-B

Visual mute signal

Engine switch on (ACC) Screen display changing

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

G3-5 (CNH1)

L

Local bus communication signal

-

-

G3-6 (CNL1)

W

Local bus communication signal

-

-

G3-13 (CANH)

B

CAN communication signal

-

-

G3-14 (CANL)

W

CAN communication signal

-

-

G3-15 (ILL+) - G5-1 (GND1)

G - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

G3-16 (ILL-) - G5-1 (GND1)

B - W-B

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

G3-19 (IG) - G5-1 (GND1)

SB - W-B

Power source (IG)

Engine switch off

Below 1 V

Engine switch on (IG)

11 to 14 V

G3-21 (MIN+) - G5-1 (GND1)

P - W-B*1

W - W-B*3

Microphone voice signal

See "Microphone Check" in Operation Check

-

G3-22 (MIN-) - Body ground

L - Body ground*1

R - Body ground*3

Microphone voice signal

See "Microphone Check" in Operation Check

-

G3-23 (MACC) - G5-1 (GND1)*3

B - W-B

Microphone power supply

Engine switch off

Below 1 V

Engine switch on (ACC)

4 to 6 V

G3-24 (SGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G3-25 (SNS2) - G5-1 (GND1)

W - W-B

Microphone connection detection signal

Always

Below 1 V

G5-1 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

G5-2 (GND2) - Body ground

LA-W - Body ground

Ground

Always

Below 1 Ω

G5-3 (+B) - G5-1 (GND1)

LA-B - W-B

Power source (+B)

Always

11 to 14 V

G5-4 (+B1) - G5-1 (GND1)

R - W-B

Power source (+B)

Always

11 to 14 V

G5-5 (TX1+)

B

AVC-LAN communication signal

-

-

G5-6 (TX1-)

W

AVC-LAN communication signal

-

-

G5-10 (AGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G5-11 (VAL+) - G5-13 (VA-)

B - R

Sound signal (Left)

External device system playing (when No. 1 stereo jack adapter assembly used)

A waveform synchronized with sound signals is output

G5-12 (VAR+) - G5-13 (VA-)

W - R

Sound signal (Right)

External device system playing (when No. 1 stereo jack adapter assembly used)

A waveform synchronized with sound signals is output

G5-13 (VA-) - G5-1 (GND1)

R - W-B

Sound signal ground

Always

Below 1 V

G5-14 (ADPG) - G5-1 (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

G5-15 (ACC1) - G5-1 (GND1)

GR - W-B

Power source (ACC)

Engine switch off

Below 1 V

Engine switch on (ACC)

11 to 14 V

G5-16 (ACC) - G5-1 (GND1)

R - W-B

Power source (ACC)

Engine switch off

Below 1 V

Engine switch on (ACC)

11 to 14 V

G5-21 (SW1) - G5-24 (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

G5-22 (SW2) - G5-24 (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

G5-24 (SWG) - Body ground

BR - Body ground

Steering pad switch signal

Always

Below 1 Ω

G5-27 (SPD) - G5-1 (GND1)

BE - W-B

Vehicle speed signal

See "Vehicle Signal Check Mode" in Operation Check

-

G1-7 (SUP) - G5-1 (GND1)

B - W-B

Start up signal

20 seconds elapse after turning the engine switch on (ACC)

11 to 14 V

G1-10 (USBV) - G5-1 (GND1)*1

B - W-B

DCM (telematics transceiver) power supply

Engine switch off

Below 1 V

Engine switch on (ACC)

4.75 to 5.25 V

G1-11 (USBG) - Body ground*1

G - Body ground

Ground

Always

Below 1 Ω

G1-12 (SGND) - Body ground*1

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G1-19 (RST)*2

R

-

-

-

G1-22 (SI+) - G5-1 (GND1)

R - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

G1-23 (SI-) - G5-1 (GND1)

G - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

G1-24 (SGND) - G5-1 (GND1)

Shielded - W-B

Shield ground

Always

Below 1 Ω

G1-25 (MCO+) - G1-26 (MCO-)

G - R

Microphone voice signal

See "Check Microphone (DCU)" in Operation Check

-

G1-26 (MCO-) - G5-1 (GND1)

R - W-B

Microphone voice signal

See "Check Microphone (DCU)" in Operation Check

-

G1-28 (REV2) - G5-1 (GND1)

W - W-B

Reverse signal

Engine running, shift position not in R → in R

2 V or less → 11 to 14 V

G101-1 (GVIF-)

-

Video signal (Digital)

-

-

G101-2 (GVIF+)

-

Video signal (Digital)

-

-

G101-3 (GND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

I1-1 (GVIF-)

-

Video signal (Digital)

-

-

I1-2 (GVIF+)

-

Video signal (Digital)

-

-

I1-3 (GND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

I1-4 (USB+)

-

USB communication line

-

-

I1-5 (USB-)

-

USB communication line

-

-

I1-6 (USBS) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G115-1 (WUO)

W

MOST communication wake-up signal

-

-

G115-2 (MI+)

-

MOST communication signal

-

-

G115-3 (MI-)

-

MOST communication signal

-

-

G115-4 (SLDI)

Shielded

Shield ground

-

-

G115-5 (MO+)

-

MOST communication signal

-

-

G115-6 (MO-)

-

MOST communication signal

-

-

G115-7 (SLDO)

Shielded

Shield ground

-

-

G102-1 (USV1)

-

Power source

-

-

G102-2 (US1-)

-

Data signal

-

-

G102-3 (US1+)

-

Data signal

-

-

G102-4 (UGD1)

-

Ground

-

-

G102-5 (USG1) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

RA-5 (ANT+) - G5-1 (GND1)

- - W-B

Power source of antenna

Engine switch on (ACC)

Radio switch on and AM or FM selected

11 to 14 V

NAVIGATION ECU

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

*1: w/ Manual (SOS) Switch

*2: It is connected, but not used

G14-6 (VOI+) - G14-23 (GND)

R - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

G14-7 (VOI-) - G14-23 (GND)

G - W-B

Voice signal

Voice guidance sounding

A waveform synchronized with sound is output

G14-8 (SLD1) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G14-9 (SPD) - G14-23 (GND)

B - W-B

Vehicle speed signal

See "Check GPS and Vehicle Sensors" in Operation Check

-

G14-10 (+B) - G14-23 (GND)

SB - W-B

Power source (+B)

Always

11 to 14 V

G14-13 (MIC+) - G14-23 (GND)

G - W-B

Microphone voice signal

See "Microphone Check (MEU)" in Operation Check

-

G14-14 (MIC-) - Body ground

R - Body ground

Microphone voice signal

See "Microphone Check (MEU)" in Operation Check

-

G14-19 (REV2) - G14-23(GND)

W - W-B

Reverse signal

Engine running, shift position not in R → in R

2 V or less → 11 to 14 V

G14-21 (SUP) - G14-23 (GND)

B - W-B

Power source (ACC)

20 seconds elapse after turning the engine switch on (ACC)

11 to 14 V

G14-22 (RST)*2

R

-

-

-

G14-23 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

G108-1 (USB+)*1

-

USB communication line

-

-

G108-2 (USB-)*1

-

USB communication line

-

-

G108-3 (USBS) - Body ground*1

Shielded - Body ground

Shield ground

Always

Below 1 Ω

I2-1 (GVIF-)

-

Video signal (Digital)

-

-

I2-2 (GVIF+)

-

Video signal (Digital)

-

-

I2-3 (GND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

I2-4 (USB+)

-

USB communication line

-

-

I2-5 (USB-)

-

USB communication line

-

-

I2-6 (USBS) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

STEREO COMPONENT AMPLIFIER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G11-1 (+B) - G11-3 (GND)*2

L - W-B

Power source (+B)

Always

11 to 14 V

G11-2 (TMUT) - Body ground*1

BE - Body ground

Mute signal

Audio system playing

3.0 to 5.0 V

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)*2

L - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-11 (TWR+) - G11-3 (GND)*2

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*1

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)

Always

11 to 14 V

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

GR - W-B

Vehicle speed signal

Engine 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)*2

W - W-B

Sound signal (Front Left)

Audio system playing

A waveform synchronized with sound signals is output

G11-26 (TWR-) - G11-3 (GND)*2

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*1

V - W-B*3

Sound signal (Front Right)

Audio system playing

A waveform synchronized with sound signals is output

G116-2 (MI+)

-

MOST communication signal

-

-

G116-3 (MI-)

-

MOST communication signal

-

-

G116-4 (SLDI)

Shielded

Shield ground

-

-

G116-5 (MO+)

-

MOST communication signal

-

-

G116-6 (MO-)

-

MOST communication signal

-

-

G116-7 (SLDO)

Shielded

Shield ground

-

-

G116-8 (WUI)

W

MOST communication wake-up signal

-

-

  • *1: w/ Manual (SOS) Switch

    *2: for 17 Speakers

    *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

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

Engine switch on (IG)

Shift lever in R

Camera lens not covered, displaying image

Pulse generation

(Refer to waveform 1)

Engine 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

Engine 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)

Always

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)

Engine switch off

Below 1 V

Engine 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

Engine 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 engine 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

Engine 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 engine 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)

Always

11 to 14 V

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

SB - LA

Illumination signal

Light control switch off

Below 1 V

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)

Engine switch on (ACC)

11 to 14 V

Engine switch off

Below 1 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)

Always

11 to 14 V

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

R - W-B

Power source (ACC)

Engine switch off

Below 1 V

Engine 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)

Engine switch off

Below 1 V

Engine switch on (ACC)

11 to 14 V

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

R - W-B

Power source (IG)

Engine switch on (IG)

11 to 14 V

Engine switch off

Below 1 V

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

GR - W-B

Power source (+B)

Always

11 to 14 V

COMBINATION METER ASSEMBLY

Click here

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

Click here

PARKING ASSIST ECU (w/ Panoramic View Monitor System)

Click here

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

Click here

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

Click here

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