Toyota CH-R Service Manual: Terminals Of Ecu

TERMINALS OF ECU

RADIO AND DISPLAY RECEIVER ASSEMBLY

*A

w/ Navigation System

*B

w/ Manual (SOS) Switch

*C

w/o Navigation System

*D

for Satellite Radio

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

F129-1 (GND1) - Body ground

LA - Body ground

Ground

Always

Below 1 V

F129-4 (+B1) - F129-1 (GND1)

LA-SB - LA

Power source (+B)

Always

11 to 14 V

F129-11 (VAL+) - F129-13 (VA-)

B - R

Sound signal (Left)

External device playing (When stereo jack used)

A waveform synchronized with sounds is output

F129-12 (VAR+) - F129-13 (VA-)

W - R

Sound signal (Right)

External device playing (When stereo jack used)

A waveform synchronized with sounds is output

F129-13 (VA-) - Body ground

R - Body ground

Ground

Always

Below 1 V

F129-14 (ADPG) - F129-1 (GND1)

R - LA

External device connection detection signal

External device connected

Below 1 V

External device not connected

2.1 to 3 V

F129-15 (ACC1) - F129-1 (GND1)

GR - LA

Power source (ACC)

Ignition switch off

Below 1 V

Ignition switch ACC

11 to 14 V

F129-21 (SW1) - F129-24 (SWG)

GR - W-B

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

F129-22 (SW2) - F129-24 (SWG)

G - W-B

Steering pad switch signal

No switch pushed

2.97 to 3.56 V

MODE switch pushed

0.27 to 0.35 V

Off hook switch pushed

1.51 to 1.79 V

On hook switch pushed

0.86 to 1.03 V

Voice switch pushed

2.22 to 2.66 V

F129-27 (SPD) - F129-1 (GND1)

V - LA

Vehicle speed signal

See "Check Vehicle Signal" in Operation Check

-

F129-28 (REV) - F129-1 (GND1)

R - LA*1

L - LA*2

Reverse signal

See "Check Vehicle Signal" in Operation Check

-

F129-10 (AGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 V

F130-13 (VOR+) - F129-1 (GND1)*3

G - LA

Receive voice signal

Receiving a call while using the operator service

A waveform synchronized with the received voice is output

F130-14 (VOR-) - F129-1 (GND1)*3

W - LA

Receive voice signal

Receiving a call while using the operator service

A waveform synchronized with the received voice is output

F130-15 (VOT+) - F129-1 (GND1)*3

R - LA

Sent voice signal

Calling while using the operator service

A waveform synchronized with the sent voice is output

F130-16 (VOT-) - F129-1 (GND1)*3

B - LA

Sent voice signal

Calling while using the operator service

A waveform synchronized with the sent voice is output

F131-3 (TMUT) - F129-1 (GND1)*3

L - LA

Mute signal

Ignition switch ACC

Audio system playing

2.0 V or higher

Emergency call mode

Below 1 V

F131- 5 (CNH1)

R

Local bus communication signal

-

-

F131-6 (CNL1)

L

Local bus communication signal

-

-

F131-13 (CANH)

B

CAN communication signal

-

-

F131-14 (CANL)

LG

CAN communication signal

-

-

F131-19 (IG) - F129-1 (GND1)

B - LA

Power source (IG)

Ignition switch off

Below 1 V

Ignition switch ON

11 to 14 V

F131-20 (PKB) - F129-1 (GND1)

P - LA

Parking brake signal

See "Check Vehicle Signal" in Operation Check

-

F131-21 (MIN+) - F129-1 (GND1)

W - LA

Microphone voice signal

See "Check Vehicle Signal" in Operation Check

-

F131-22 (MIN-) - F129-1 (GND1)

R - LA

Microphone voice signal

See "Check Vehicle Signal" in Operation Check

-

F131-23 (MACC) - F129-1 (GND1)

B - LA

Microphone power supply

Ignition switch off

Below 1 V

Ignition switch ON

4 to 6 V

F131-24 (SGND) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 Ω

F131-25 (SNS2) - F129-1 (GND1)

V - LA*1

G - LA*2

Microphone connection detection signal

Always

Below 1 V

F132-1 (FR+) - F129-1 (GND1)

LA-L - LA*3

P - LA*4

Sound signal (Front right)

Audio system playing

A waveform synchronized with sound is output

F132-2 (FL+) - F129-1 (GND1)

W - LA

Sound signal (Front left)

Audio system playing

A waveform synchronized with sound is output

F132-3 (RL+) - F129-1 (GND1)

B - LA

Sound signal (Rear left)

Audio system playing

A waveform synchronized with sound is output

F132-4 (RR+) - F129-1 (GND1)

R - LA

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound is output

F132-6 (FR-) - F129-1 (GND1)

LA-L - LA*3

BR - LA*4

Sound signal (Front right)

Audio system playing

A waveform synchronized with sound is output

F132-7 (FL-) - F129-1 (GND1)

B - LA

Sound signal (Front left)

Audio system playing

A waveform synchronized with sound is output

F132-8 (RL-) - F129-1 (GND1)

Y - LA

Sound signal (Rear left)

Audio system playing

A waveform synchronized with sound is output

F132-9 (RR-) - F129-1 (GND1)

W - LA

Sound signal (Rear right)

Audio system playing

A waveform synchronized with sound is output

F136-1 (USB+)

-

USB communication line

-

-

F136-2 (USB-)

-

USB communication line

-

-

F136-3 (USBS) - Body ground

Shield - Body ground

Shield ground

Always

Below 1 Ω

j4-1 (USV1)

-

Power source

-

-

j4-2 (US1-)

-

Data signal

-

-

j4-3 (US1+)

-

Data signal

-

-

j4-4 (UGD1)

-

Ground

-

-

j5-1 (USB+)

-

Data signal

-

-

j5-2 (USB-)

-

Data signal

-

-

j5-3 (USBG)

-

Ground

-

-

j6-1 (GV-)

-

Video signal (Digital)

-

-

j6-2 (GV+)

-

Video signal (Digital)

-

-

j6-3 (GND)

Shield - Body ground

Shield ground

Always

Below 1 Ω

  • *1: for TMMT made

    *2: for TMC made

    *3: w/ Manual (SOS) Switch

    *4: w/o Manual (SOS) Switch

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

Click here

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