Toyota Venza: Terminals Of Ecu

E4-1 (FR+) - E4-7 (GND1)

LG - BR

Sound signal (Front right)

Audio system playing

A waveform synchronized with sound signals is output

E4-2 (FL+) - E4-7 (GND1)

P - BR

Sound signal (Front left)

Audio system playing

A waveform synchronized with sound signals is output

E4-3 (ACC1) - E4-7 (GND1)

GR - BR

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

E4-4 (+B1) - E4-7 (GND1)

SB - BR

Power source (+B)

Always

11 to 14 V

E4-5 (FR-) - E4-7 (GND1)

L - BR

Sound signal (Front right)

Audio system playing

A waveform synchronized with sound signals is output

E4-6 (FL-) - E4-7 (GND1)

V - BR

Sound signal (Front left)

Audio system playing

A waveform synchronized with sound signals is output

E4-7 (GND1) - Body ground

BR - Body ground

Ground

Always

Below 1 V

E4-10 (ILL+) - E4-7 (GND1)

G - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

11 to 14 V

E5-1 (RR+) - E4-7 (GND1)

R - BR

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

E5-2 (RL+) - E4-7 (GND1)

B - BR

Sound signal (Rear left)

Audio system playing

A waveform synchronized with sound signals is output

E5-3 (RR-) - E4-7 (GND1)

W - BR

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound signals is output

E5-5 (ILL-) - E4-7 (GND1)

W - BR

Illumination signal

Light control switch off

Below 1 V

Light control switch in tail or head position

Pulse generation

E5-6 (RL-) - E4-7 (GND1)

Y - BR

Sound signal (Rear left)

Audio system playing

A waveform synchronized with sound signals is output

E42-1 (IG) - E4-7 (GND1)

V - BR

Power source (IG)

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

E42-4 (MACC) - E4-7 (GND1)

R - BR

Microphone power supply

Ignition switch off

Below 1 V

Ignition switch ACC

4 to 6 V

E42-5 (MIN+) - E4-7 (GND1)

B - BR

Microphone voice signal

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

-

E42-6 (SNS2) - E4-7 (GND1)

Y - BR

Microphone connection detection signal

Always

Below 1 V

E42-9 (CANH)

SB

CAN communication signal

-

-

E42-10 (CANL)

W

CAN communication signal

-

-

E42-11 (AGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

E42-15 (PKB) - E4-7 (GND1)

R - BR

Parking brake signal

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

-

E42-17 (SPD) - E4-7 (GND1)

BR - BR

Vehicle speed signal

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

-

E42-18 (SGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

E42-19 (MIN-) - E4-7 (GND1)

W - BR

Microphone voice signal

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

-

E42-21 (SW1) - E42-23 (SWG)

GR - R

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

E42-22 (SW2) - E42-23 (SWG)

LG - R

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

E42-23 (SWG) - E4-7 (GND1)

R - BR

Steering pad switch ground

Always

Below 1 V

E42-24 (SW3) - E42-23 (SWG)

L - R

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

E42-25 (ADPG) - E4-7 (GND1)

SB - BR

External device connection detection signal

External device connected

Below 1 V

External device not connected

2.1 to 3 V

E42-26 (VAR+) - E42-27 (VA-)

B - W

Sound signal (Right)

External device playing (When stereo jack used)

A waveform synchronized with sound signals is output

E42-27 (VA-) - E4-7 (GND1)

W - BR

Ground

Always

Below 1 V

E42-28 (VAL+) - E42-27 (VA-)

B - W

Sound signal (Left)

External device playing (When stereo jack used)

A waveform synchronized with sound signals is output

E52-11 (CA+) - E4-7 (GND1)*1

B - BR

Television camera power supply

Ignition switch ACC

5.5 to 7.05 V

E52-12 (V+) - E4-7 (GND1)*1

R - 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)

E52-23 (CGND) - Body ground*1

Shield - Body ground

Shield ground

Always

Below 1 V

E52-24 (V-) - E4-7 (GND1)*1

W - BR

Ground

Always

Below 1 V

V2-3 (ACC2) - E4-7 (GND1)*2

Y - BR

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

V2-4 (+B2) - E4-7 (GND1)*2

R - BR

Power source (+B)

Always

11 to 14 V

V2-8 (GND2) - Body ground*2

B - Body ground

Ground

Always

Below 1 V

E48-1 (UPO)

-

Power source

-

-

E48-2 (UDO-)

-

Data signal

-

-

E48-3 (UDO+)

-

Data signal

-

-

E48-4 (UESG)

-

Ground

-

-

E48-5 (USG1)

-

Shield ground

-

-

V6-1 (USV4)*2

-

Power source

-

-

V6-2 (US4-)*2

-

Data signal

-

-

V6-3 (US4+)*2

-

Data signal

-

-

V6-4 (UGD4)*2

-

Ground

-

-

V6-5 (USG4)*2

-

Shield ground

-

-

V4-1 (LV1)*2

-

LVDS communication signal

-

-

RA-5 (ANT+) - E4-7 (GND1)

- - BR

Power source of antenna

Ignition switch ACC

Radio switch on and FM or AM selected

11 to 14 V

Measurement terminal

E52-12 (V+) - E4-7 (GND1)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Ignition switch ON, shift lever in R

Measurement terminal

E52-12 (V+) - E4-7 (GND1)

Measurement setting

200 mV/DIV., 50 μs./DIV.

Condition

Ignition switch ON, shift lever in R

*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

V7-3 (ACC2) - V7-8 (GND2)

Y - B

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

V7-4 (+B2) - V7-8 (GND2)

R - B

Power source (+B)

Always

11 to 14 V

V7-8 (GND2) - Body ground

B - Body ground

Ground

Always

Below 1 V

V9-1 (USV4)

-

Power source

-

-

V9-2 (US4-)

-

Data signal

-

-

V9-3 (US4+)

-

Data signal

-

-

V9-4 (UGD4)

-

Ground

-

-

V9-5 (USG4)

-

Shield ground

-

-

V8-1 (LV1)

-

LVDS communication signal

-

-