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
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: After replacing the navigation receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary. HIN ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (CHECK USING TECHSTREAM) (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body ...

Other materials about Toyota 4Runner:

Sending Malfunction (Navigation to APGS) (U0073,U0140)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. DTC Detection Condition Trouble Area U0073 CAN reception error CAN communication sys ...

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ign ...

© 2016-2024 | www.to4runner.net

0.0278