Toyota 4Runner manuals

Toyota 4Runner: Terminals Of Ecu

TERMINALS OF ECU

1. NAVIGATION RECEIVER ASSEMBLY (for 9 Speakers)


Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G5-2 (RL+) - G6-7 (GND)

R - BR

Voice signal

Voice guidance sounding

A waveform synchronized with sounds is output

G5-5 (ILL-) - G6-7 (GND)

W - BR

Illumination signal

Ignition switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

G5-6 (RL-) - G6-7 (GND)

G - BR

Voice signal

Voice guidance sounding

A waveform synchronized with sounds is output

G6-1 (FR+) - G6-7 (GND)

B - BR

Sound signal (Right)

Audio system playing

A waveform synchronized with sounds is output

G6-2 (FL+) - G6-7 (GND)

W - BR

Sound signal (Left)

Audio system playing

A waveform synchronized with sounds is output

G6-3 (ACC) - G6-7 (GND)

GR - BR

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

G6-4 (B) - G6-7 (GND)

SB - BR

Power source (+B)

Always

11 to 14 V

G6-5 (FR-) - G6-7 (GND)

G - BR

Sound signal (Right)

Audio system playing

A waveform synchronized with sounds is output

G6-6 (FL-) - G6-7 (GND)

R - BR

Sound signal (Left)

Audio system playing

A waveform synchronized with sounds is output

G6-7 (GND) - Body ground

BR - Body ground

Ground

Always

Below 1 V

G6-10 (ILL+) - G6-7 (GND)

G - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

G37-1 (IG) - G6-7 (GND)

L - BR

Power source (IG)

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

G37-2 (REV) - G6-7 (GND)

R - BR

Reverse signal

See "Vehicle Signal Check Mode" in Operation Check (See page )


-

G37-4 (MACC) - G6-7 (GND)

R - BR

Microphone power supply

Ignition switch off

Below 1 V

Ignition switch ACC

4 to 6 V

G37-5 (MIN+) - G6-7 (GND)

B - BR

Microphone voice signal

See "Microphone Check" in Operation Check (See page )


-

G37-6 (SNS2) - G6-7 (GND)

G - BR

Microphone connection detection signal

Always

Below 1 V

G37-7 (TX1+)

B

AVC-LAN communication signal

-

-

G37-8 (TX1-)

W

AVC-LAN communication signal

-

-

G37-9 (CANH)

P

CAN communication signal

-

-

G37-10 (CANL)

W

CAN communication signal

-

-

G37-11 (AGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G37-12 (SG) - G6-7 (GND)

Shield - BR

Shield ground

Always

Below 1 V

G37-15 (PKB) - G6-7 (GND)

LG - BR

Parking brake signal

See "Vehicle Signal Check Mode" in Operation Check (See page )


-

G37-17 (SPD) - G6-7 (GND)

SB - BR

Vehicle speed signal from combination meter assembly

See "Vehicle Signal Check Mode" in Operation Check (See page )


-

G37-18 (SGND) - G6-7 (GND)

Shield - BR

Shield ground

Always

Below 1 V

G37-19 (MIN-) - Body ground

W - Body ground

Microphone voice signal

See "Microphone Check" in Operation Check (See page )


-

G37-16 (MUT) - G6-7 (GND)

L - BR

Mute signal

Audio system playing

Above 3.5 V

Audio system changing modes

Below 1 V

G37-21 (SW1) - G37-23 (SWG)

W - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 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

G37-22 (SW2) - G37-23 (SWG)

R - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 V

MODE/HOLD switch pushed

0.27 to 0.35 V

On hook switch pushed

0.86 to 1.03 V

Off hook switch pushed

1.51 to 1.79 V

Voice switch pushed

2.22 to 2.66 V

G37-23 (SWG) - Body ground

L - Body ground

Steering pad switch signal

Always

Below 1 V

G37-24 (SW3) - G37-23 (SWG)

P - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 V

Enter switch pushed

0.27 to 0.35 V

Back switch pushed

0.86 to 1.03 V

Right switch pushed

1.51 to 1.79 V

Left switch pushed

2.22 to 2.66 V

G37-25 (ADPG) - G6-7 (GND)

V - BR

External device connection detection signal

External device connected

Below 1 V

External device not connected

2.1 to 3 V

G37-26 (VAR+) - G37-27 (VA-)

R - W

Sound signal (Right)

External device playing (When stereo jack used)

A waveform synchronized with sounds is output

G37-27 (VA-) - G6-7 (GND)

W - BR

Sound signal ground

Always

Below 1 V

G37-28 (VAL+) - G37-27 (VA-)

B - W

Sound signal (Left)

External device playing (When stereo jack used)

A waveform synchronized with sounds is output

G38-11 (CA+) - G6-7 (GND)

R - BR

Television camera power supply

Ignition switch ON

Shift lever in R

5.5 to 7.05 V

G38-12 (V+) - G6-7 (GND)

W - BR

Video signal

Ignition switch ON

Shift lever in R

Camera lens not covered, displaying an image

Pulse generation (Refer to waveform 1)

Ignition switch ON

Shift lever in R

Camera lens covered, blacking out screen

Pulse generation (Refer to waveform 2)

G38-23 (CGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G38-24 (V-) - G6-7 (GND)

B - BR

Ground

Always

Below 1 V

G40-1 (USV1)

#

Power source

-

-

G40-2 (US1-)

#

Data signal

-

-

G40-3 (US1+)

#

Data signal

-

-

G40-4 (UGD1)

#

Ground

-

-

G41-1 (FMSUB1)

#

Radio signal

-

-

G41-2 (R+B1) - G6-7 (GND)

# - BR

Power source of antenna

Ignition switch ON

Radio switch on and AM or FM selected

11 to 14 V

G41-3 (AMFM1)

#

Radio signal

-

-

s1-1 (USV4)*1

#

Power source

-

-

s1-2 (US4-)*1

#

Data signal

-

-

s1-3 (US4+)*1

#

Data signal

-

-

s1-4 (UGD4)*1

#

Ground

-

-

s3-1 (LV1)*1

#

LVDS communication signal

-

-

t1-3 (ACC2) - G6-7 (GND)*1

Y - BR

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14V

t1-4 (+B2) - G6-7 (GND)*1

R - BR

Power source (+B)

Always

11 to 14V

t1-8 (GND2) - Body ground*1

B - Body ground

Ground

Always

Below 1 V

  • #: There is no color information.
  • *1: w/ SDARS System

(a) Reference (Oscilloscope waveform):



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

Item

Content

Measurement terminal

G38-12 (V+) - G6-7 (GND)

Measurement setting

200 mV/DIV., 50 μsec./DIV.

Condition

Ignition switch ON, Shift lever in R

HINT:

The video waveform changes according to the image sent by the television camera assembly.

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

Item

Content

Measurement terminal

G38-12 (V+) - G6-7 (GND)

Measurement setting

200 mV/DIV., 50 μsec./DIV.

Condition

Ignition switch ON, Shift lever in R

HINT:

The video waveform changes according to the image sent by the rear television camera assembly.

Text in Illustration

*a

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

*b

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

*c

Synchronization Signal

*d

Video Waveform

2. NAVIGATION RECEIVER ASSEMBLY (for 8 Speakers)


Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G5-1 (RR+) - G6-7 (GND)

R - BR

Sound signal (Right)

Audio system playing

A waveform synchronized with sounds is output

G5-2 (RL+) - G6-7 (GND)

B - BR

Sound signal (Left)

Audio system playing

A waveform synchronized with sounds is output

G5-3 (RR-) - G6-7 (GND)

W - BR

Sound signal (Right)

Audio system playing

A waveform synchronized with sounds is output

G5-5 (ILL-) - G6-7 (GND)

W - BR

Illumination signal

Ignition switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

G5-6 (RL-) - G6-7 (GND)

Y - BR

Sound signal (Left)

Audio system playing

A waveform synchronized with sounds is output

G6-1 (FR+) - G6-7 (GND)

P - BR

Sound signal (Right)

Audio system playing

A waveform synchronized with sounds is output

G6-2 (FL+) - G6-7 (GND)

LG - BR

Sound signal (Left)

Audio system playing

A waveform synchronized with sounds is output

G6-3 (ACC) - G6-7 (GND)

GR - BR

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

G6-4 (B) - G6-7 (GND)

SB - BR

Power source (+B)

Always

11 to 14 V

G6-5 (FR-) - G6-7 (GND)

Y - BR

Sound signal (Right)

Audio system playing

A waveform synchronized with sounds is output

G6-6 (FL-) - G6-7 (GND)

L - BR

Sound signal (Left)

Audio system playing

A waveform synchronized with sounds is output

G6-7 (GND) - Body ground

BR - Body ground

Ground

Always

Below 1 V

G6-10 (ILL+) - G6-7 (GND)

G - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

G37-1 (IG) - G6-7 (GND)

L - BR

Power source (IG)

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

G37-2 (REV) - G6-7 (GND)

R - BR

Reverse signal

See "Vehicle Signal Check Mode" in Operation Check (See page )


-

G37-4 (MACC) - G6-7 (GND)

R - BR

Microphone power supply

Ignition switch off

Below 1 V

Ignition switch ACC

4 to 6 V

G37-5 (MIN+) - G6-7 (GND)

B - BR

Microphone voice signal

See "Microphone Check" in Operation Check (See page )


-

G37-6 (SNS2) - G6-7 (GND)

G - BR

Microphone connection detection signal

Always

Below 1 V

G37-9 (CANH)

P

CAN communication signal

-

-

G37-10 (CANL)

W

CAN communication signal

-

-

G37-11 (AGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G37-12 (SG) - G6-7 (GND)

Shield - BR

Shield ground

Always

Below 1 V

G37-13 (VV+) - G6-7 (GND)

B - BR

Video signal

External device playing (When stereo jack used)

A waveform synchronized with sounds is output

G37-14 (VV-) - G6-7 (GND)

W - BR

Video signal ground

Always

Below 1 V

G37-15 (PKB) - G6-7 (GND)

LG - BR

Parking brake signal

See "Vehicle Signal Check Mode" in Operation Check (See page )


-

G37-17 (SPD) - G6-7 (GND)

SB - BR

Vehicle speed signal from combination meter assembly

See "Vehicle Signal Check Mode" in Operation Check (See page )


-

G37-18 (SGND) - G6-7 (GND)

Shield - BR

Shield ground

Always

Below 1 V

G37-19 (MIN-) - Body ground

W - Body ground

Microphone voice signal

See "Microphone Check" in Operation Check (See page )


-

G37-21 (SW1) - G37-23 (SWG)

W - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 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

G37-22 (SW2) - G37-23 (SWG)

R - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 V

MODE/HOLD switch pushed

0.27 to 0.35 V

On hook switch pushed

0.86 to 1.03 V

Off hook switch pushed

1.51 to 1.79 V

Voice switch pushed

2.22 to 2.66 V

G37-23 (SWG) - Body ground

L - Body ground

Steering pad switch signal

Always

Below 1 V

G37-24 (SW3) - G37-23 (SWG)

P - L

Steering pad switch signal

No switch pushed

2.97 to 3.56 V

Enter switch pushed

0.27 to 0.35 V

Back switch pushed

0.86 to 1.03 V

Right switch pushed

1.51 to 1.79 V

Left switch pushed

2.22 to 2.66 V

G37-25 (ADPG) - G6-7 (GND)

V - BR

External device connection detection signal

External device connected

Below 1 V

External device not connected

2.1 to 3 V

G37-26 (VAR+) - G37-27 (VA-)

R - W

Sound signal (Right)

External device playing (When stereo jack used)

A waveform synchronized with sounds is output

G37-27 (VA-) - G6-7 (GND)

W - BR

Sound signal ground

Always

Below 1 V

G37-28 (VAL+) - G37-27 (VA-)

B - W

Sound signal (Left)

External device playing (When stereo jack used)

A waveform synchronized with sounds is output

G38-11 (CA+) - G6-7 (GND)

R - BR

Television camera power supply

Ignition switch ON

Shift lever in R

5.5 to 7.05 V

G38-12 (V+) - G6-7 (GND)

W - BR

Video signal

Ignition switch ON

Shift lever in R

Camera lens not covered, displaying an image

Pulse generation (Refer to waveform 1)

Ignition switch ON

Shift lever in R

Camera lens covered, blacking out screen

Pulse generation (Refer to waveform 2)

G38-23 (CGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

G38-24 (V-) - G6-7 (GND)

B - BR

Ground

Always

Below 1 V

G40-1 (USV1)

#

Power source

-

-

G40-2 (US1-)

#

Data signal

-

-

G40-3 (US1+)

#

Data signal

-

-

G40-4 (UGD1)

#

Ground

-

-

G41-1 (FMSUB1)

#

Radio signal

-

-

G41-2 (R+B1) - G6-7 (GND)

# - BR

Power source of antenna

Ignition switch ON

Radio switch on and AM or FM selected

11 to 14 V

G41-3 (AMFM1)

#

Radio signal

-

-

s1-1 (USV4)*1

#

Power source

-

-

s1-2 (US4-)*1

#

Data signal

-

-

s1-3 (US4+)*1

#

Data signal

-

-

s1-4 (UGD4)*1

#

Ground

-

-

s3-1 (LV1)*1

#

LVDS communication signal

-

-

t1-3 (ACC2) - G6-7 (GND)*1

Y - BR

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14V

t1-4 (+B2) - G6-7 (GND)*1

R - BR

Power source (+B)

Always

11 to 14V

t1-8 (GND2) - Body ground*1

B - Body ground

Ground

Always

Below 1 V

  • #: There is no color information.
  • *1: w/ SDARS System

(a) Reference (Oscilloscope waveform):



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

Item

Content

Measurement terminal

G38-12 (V+) - G6-7 (GND)

Measurement setting

200 mV/DIV., 50 μsec./DIV.

Condition

Ignition switch ON, Shift lever in R

HINT:

The video waveform changes according to the image sent by the television camera assembly.

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

Item

Content

Measurement terminal

G38-12 (V+) - G6-7 (GND)

Measurement setting

200 mV/DIV., 50 μsec./DIV.

Condition

Ignition switch ON, Shift lever in R

HINT:

The video waveform changes according to the image sent by the rear television camera assembly.

Text in Illustration

*a

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

*b

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

*c

Synchronization Signal

*d

Video Waveform

3. STEREO COMPONENT TUNER ASSEMBLY (w/ SDARS System)


Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

t2-3 (ACC2) - t2-8 (GND2)

Y - B

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

t2-4 (+B2) - t2-8 (GND2)

R - B

Power source (+B)

Always

11 to 14 V

t2-8 (GND2) - Body ground

B - Body ground

Ground

Always

Below 1 V

s2-1 (USV4)

#

Power source

-

-

s2-2 (USV4-)

#

Data signal

-

-

s2-3 (USV4+)

#

Data signal

-

-

s2-4 (UGD4)

#

Ground

-

-

s2-5 (USG4)

#

Shield ground

-

-

s4-1 (LV1)

#

LVDS communication signal

-

-

G42-1 (SDARS1)

#

Satellite radio signal

-

-

  • #: There is no wire color information

4. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 9 Speakers)


Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

N14-1 (+B) - N14-2 (GND)

SB - BR

Battery

Always

11 to 14 V

N14-2 (GND) - Body ground

BR - Body ground

Ground

Always

Below 1 V

N14-3 (+B2) - N14-2 (GND)

SB - BR

Battery

Always

11 to 14 V

N14-6 (GND2) - Body ground

BR - Body ground

Ground

Always

Below 1 V

N11-1 (MUTE) - N14-2 (GND)

L - BR

Mute signal

Audio system playing

Higher than 3.5 V

Audio system source changed

Below 1 V

N11-2 (L-) - N14-2 (GND)

R - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N11-3 (L+) - N14-2 (GND)

W - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N11-4 (R-) - N14-2 (GND)

G - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N11-5 (R+) - N14-2 (GND)

B - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N11-6 (SLD) - N14-2 (GND)

Shielded - BR

Shield ground

Always

Below 1 V

N11-7 (TX-)

W

AVC-LAN communication signal

-

-

N11-8 (TX+)

B

AVC-LAN communication signal

-

-

N11-11 (SPD) - N14-2 (GND)

SB - BR

Speed signal from combination meter

Ignition switch ON, drive wheels turned slowly

Pulse generation

N11-12 (ACC) - N14-2 (GND)

GR - BR

Ignition switch ACC

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

N11-14 (II1-) - N14-2 (GND)

G - BR

Voice signal

"Bluetooth" handsfree voice signal playing

Waveform synchronized with sounds is output

N11-15 (II1+) - N14-2 (GND)

R - BR

Voice signal

"Bluetooth" handsfree voice signal playing

Waveform synchronized with sounds is output

N11-18 (SLD1) - N14-2 (GND)

Shielded - BR

Shield ground

Always

Below 1 V

N11-24 (TMUT) - N14-2 (GND)*1

L - BR

Mute signal

Audio system playing

Higher than 3.5 V

Emergency call mode

Below 1 V

N12-1 (TWL+) - N14-2 (GND)

LG - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N12-2 (TWR+) - N14-2 (GND)

P - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N12-3 (FL+) - N14-2 (GND)

P - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N12-4 (RL+) - N14-2 (GND)

B - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N12-5 (RR+) - N14-2 (GND)

R - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N12-6 (TWL-) - N14-2 (GND)

L - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N12-7 (TWR-) - N14-2 (GND)

Y - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N12-8 (FL-) - N14-2 (GND)

V - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N12-9 (FR-) - N14-2 (GND)

L - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N12-10 (FR+) - N14-2 (GND)

LG - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N12-11 (RL-) - N14-2 (GND)

Y - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N12-12 (RR-) - N14-2 (GND)

W - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N13-1 (WF2+) - N14-2 (GND)

L - BR

Sound signal (Woofer box)

Audio system playing

Waveform synchronized with sounds is output

N13-2 (WF1+) - N14-2 (GND)

B - BR

Sound signal (Woofer box)

Audio system playing

Waveform synchronized with sounds is output

N13-3 (R-L+) - N14-2 (GND)

P - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N13-4 (R-R+) - N14-2 (GND)

B - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

N13-5 (WF2-) - N14-2 (GND)

P - BR

Sound signal (Woofer box)

Audio system playing

Waveform synchronized with sounds is output

N13-6 (WF1-) - N14-2 (GND)

W - BR

Sound signal (Woofer box)

Audio system playing

Waveform synchronized with sounds is output

N13-9 (R-L-) - N14-2 (GND)

Y - BR

Sound signal (Left)

Audio system playing

Waveform synchronized with sounds is output

N13-10 (R-R-) - N14-2 (GND)

W - BR

Sound signal (Right)

Audio system playing

Waveform synchronized with sounds is output

  • *1: w/ Manual (SOS) Switch
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