Toyota CH-R Service Manual: Terminals Of Ecu

TERMINALS OF ECU

CHECK DCM (TELEMATICS TRANSCEIVER)

*a

Connector Color: Natural (to Telephone Sub Antenna)

*b

Connector Color: Blue (to Telephone Main Antenna)

*c

Connector Color: Gray (to GPS Antenna)

-

-

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

F134-1 (+B) - F134-4 (E)

W - W-B

Battery power supply

Always

11 to 14 V

F134-2 (SPI+) - F134-4 (E)

LA-LG - W-B

Sound signal

Audio system playing

A waveform synchronized with sound is output

F134-3 (SPI-) - F134-4 (E)

LA-L - W-B

Sound signal

Audio system playing

A waveform synchronized with sound is output

F134-4 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

F134-5 (SPO+) - F134-4 (E)

LA-LG - W-B

Sound signal

Audio system playing, or Emergency call mode

A waveform synchronized with sound is output

F134-6 (SPO-) - F134-4 (E)

LA-L - W-B

Sound signal

Audio system playing, or Emergency call mode

A waveform synchronized with sound is output

F134-7 (IG2) - F134-4 (E)

B - W-B

IG power supply

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

F134-8 (ACC) - F134-4 (E)

GR - W-B

ACC power supply

Ignition switch ACC

11 to 14 V

Ignition switch off

Below 1 V

F134-9 (SLED) - F134-4 (E)

LG - W-B

Manual (SOS) switch illumination power supply

Ignition switch ACC

11 to 14 V

Ignition switch off

Below 1 V

F134-11 (IND1) - F134-4 (E)

B - W-B*3

P - W-B*4

Manual (SOS) switch red indicator illumination signal

For 2 seconds after turning the ignition switch ON

1 to 8.5 V

Ignition switch off

Below 1 V

F134-12 (IND2) - F134-4 (E)

BE - W-B

Manual (SOS) switch green indicator illumination signal

For 2 seconds after turning the ignition switch ON

1 to 8.5 V

Ignition switch off

Below 1 V

F134-15 (CANP)

GR

CAN communication signal

-

-

F134-16 (CANN)

LG

CAN communication signal

-

-

F134-17 (MUTE) - F134-4 (E)

L - W-B

Mute signal

Audio system playing

3.5 V or higher

Emergency call mode

Below 1 V

F134-18 (MCO+) - F134-4 (E)*1

B - W-B*3

G - W-B*4

Sent microphone voice signal

See "Check Microphone"

-

F134-18 (MCO+) - F134-4 (E)*2

B - W-B *3

G - W-B*4

Sent microphone voice signal

See "Check Microphone"

-

F134-19 (MCO-) - F134-4 (E)*1

W - W-B*3

R - W-B*4

Sent microphone voice signal

See "Check Microphone"

-

F134-19 (MCO-) - F134-4 (E)*2

W - W-B*3

R - W-B*4

Sent microphone voice signal

See "Check Microphone"

-

F134-24 (GSW) - F134-4 (E)

W - W-B

Collision detection signal

Ignition switch ON

Pulse generation

(Refer to waveform 1)

F134-26 (SIG-) - F134-4 (E)

SB - W-B

Ground

Always

Below 1 V

F134-27 (SIG1) - F134-4 (E)

L - W-B

Manual (SOS) switch condition signal

Manual (SOS) switch not pressed

1.5 to 2.0 V

Manual (SOS) switch pressed

0.5 to 0.8 V

F134-32 (SGND) - F134-4 (E)

Shield - W-B

Shield ground

Always

Below 1 V

F134-33 (MCVD) - F134-4 (E)

B - W-B

Telephone microphone assembly power supply

Ignition switch off

Below 1 V

Ignition switch ACC

4 to 6 V

F134-34 (MIC+) - F134-4 (E)*1

W - W-B

Receive microphone voice signal

See "Check Microphone"

-

F134-34 (MCI+) - F134-4 (E)*2

W - W-B

Receive microphone voice signal

See "Check Microphone"

-

F134-35 (MCI-) - F134-4 (E)*1

R - W-B

Receive microphone voice signal

See "Check Microphone"

-

F134-35 (MCI-) - F134-4 (E)*2

R - W-B

Receive microphone voice signal

See "Check Microphone"

-

F133-1(USB-) - Body ground

#

USB communication line

-

-

F133-2(USB+) - Body ground

#

USB communication line

-

-

F133-3(USBG) - F134-4 (E)

P - W-B

DCM (Telematics Transceiver) power supply ground signal

Always

Below 1 Ω

F133-4(VOT+) - F134-4 (E)

G - W-B

Sent voice signal

Calling while using the operator service

A waveform synchronized with the received voice is output

F133-5(USBV) - F134-4 (E)

Y - W-B

DCM (Telematics Transceiver) power supply signal

Ignition switch off

Below 1 V

Ignition switch ON

4.5 to 5.25 V

F133-6(USBS) - F134-4 (E)

Shielded - W-B

Shield ground

Always

Below 1 Ω

F133-7(VOT-) - F134-4 (E)

W - W-B

Sent voice signal

Calling while using the operator service

A waveform synchronized with the received voice is output

F133-8(VOR-) - F134-4 (E)

B - W-B

Receive voice signal

Receiving a call while using the operator service

A waveform synchronized with the sent voice is output

F133-9(VOR+) - F134-4 (E)

R - W-B

Receive voice signal

Receiving a call while using the operator service

A waveform synchronized with the sent voice is output

  • *1: w/o Navigation System
  • *2: w/ Navigation System
  • *3: for TMMT Made
  • *4: for TMC Made
  • #: There is no wire color information

(a) Oscilloscope waveform:

(1) Waveform 1

Item

Condition

Tester connection

F134-24 (GSW) - F134-4 (E)

Tool setting

5.0 V/DIV., 20 ms/DIV.

Vehicle condition

Ignition switch ON

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

w/o Navigation System: Click here

w/ Navigation System: Click here

    Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

    Diagnosis System
    DIAGNOSIS SYSTEM DESCRIPTION (a) The DCM (Telematics Transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read ...

    Other materials:

    Toyota CH-R Service Manual > Power Steering System: Calibration
    CALIBRATION TORQUE SENSOR ZERO POINT CALIBRATION (USING TECHSTREAM) NOTICE: Perform torque sensor zero point calibration if any of the following conditions occur: The power steering ECU assembly has been replaced. The electric power steering column sub-assembly has been replaced. ...

    Toyota CH-R Service Manual > Navigation System: "No GPS signal" mark is displayed
    CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System. Click here When replacing the radio ...

    © 2017-2019 Copyright www.tochr.net
    0.0244