Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Terminals Of Ecu

TERMINALS OF ECU

CHECK DCM (TELEMATICS TRANSCEIVER)

Terminal No. (Symbol)

Terminal Description

Condition

Specified Condition

I200-1 (+B) - I200-20 (E)

Power source (+B)

Ignition switch off

11 to 14 V

I200-3 (SIG-) - I200-20 (E)

Ground

Always

Below 1 V

I200-4 (IND1) - I200-20 (E)

Manual (SOS) switch red indicator illumination signal

For 2 seconds after turning the ignition switch to ON

1 to 8.5 V

Ignition switch off

Below 1 V

I200-5 (MCVD) - I200-20 (E)

Telephone microphone assembly LH power supply

Ignition switch ON

7.5 to 8.5 V

Ignition switch off

Below 1 V

I200-6 (MCI+) - I200-20 (E)

Receive microphone voice signal

Voice being input to telephone microphone assembly LH

A waveform synchronized with microphone voice signal is input

I200-7 (MCI-) - I200-20 (E)

Receive microphone voice signal

Always

Below 1 V

I200-13 (GSW) - I200-20 (E)

Collision detection signal

Ignition switch ON

Pulse generation (Refer to waveform 1)

I200-14 (MUTE) - I200-20 (E)

MUTE Signal

Audio system playing

3.5 V or higher

Emergency call mode

Below 1 V

I200-15 (USBV) - I200-20 (E)

DCM (telematics transceiver) power supply signal

Ignition switch ON

4.75 to 5.25 V

Ignition switch off

Below 1 V

I200-16 (MCO+) - I200-20 (E)

Microphone voice signal

Voice being input to telephone microphone assembly LH

A waveform synchronized with microphone voice signal is input

I200-17 (VOT+) - I200-20 (E)

Sent voice signal

Calling while using the operator service

A waveform synchronized with the received voice is output

I200-19 (IG2) - I200-20 (E)

Power source (IG)

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

I200-20 (E) - Body ground

Ground

Always

Below 1 Ω

I200-21 (SIG1) - I200-3 (SIG-)

Manual (SOS) switch button condition signal

Manual (SOS) switch not pressed

1.3 to 1.9 V

Manual (SOS) switch pressed

0.5 to 0.8 V

I200-22 (IND2) - I200-20 (E)

Manual (SOS) switch green indicator illumination signal

For 2 seconds after turning the ignition switch to ON

1 to 8.5 V

Ignition switch off

Below 1 V

I200-23 (SGND) - I200-20 (E)

Shield ground

Always

Below 1 Ω

I200-25 (CANP)

CAN communication signal

-

-

I200-26 (CANN)

CAN communication signal

-

-

I200-31 (USBG) - Body ground

Shield ground

Always

Below 1 Ω

I200-32 (MCO-) - I200-20 (E)

Microphone voice signal

Always

Below 1 V

I200-33 (VOT-) - I200-20 (E)

Sent voice signal

Calling while using the operator service

A waveform synchronized with the received voice is output

I201-1 (SPI+) - I200-20 (E)

Sound signal

Audio system playing

A waveform synchronized with sound signals is output

I201-2 (SPI-) - I200-20 (E)

Sound signal

Audio system playing

A waveform synchronized with sound signals is output

I201-3 (SPO+) - I200-20 (E)

Sound signal

Audio system playing, or emergency call mode

A waveform synchronized with sound signals is output

I201-4 (SPO-) - I200-20 (E)

Sound signal

Audio system playing, or emergency call mode

A waveform synchronized with sound signals is output

  • #: There is no wire color information

(a) Oscilloscope waveform:

(1) Waveform 1

Item

Condition

Tester connection

I200-13 (GSW) - I200-20 (E)

Tool setting

5.0 V/DIV., 20 ms./DIV.

Vehicle condition

Ignition switch ON

CHECK STEREO COMPONENT AMPLIFIER ASSEMBLY (for 9 Speakers)

Click here

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

Click here

    READ NEXT:

     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

     Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when decidi

     Diagnostic Trouble Code Chart

    DIAGNOSTIC TROUBLE CODE CHART Safety Connect System DTC No. Detection Item Link B153711 Telephone Sub Antenna Circuit Short to Ground

    SEE MORE:

     DC/DC Converter System Performance (P19E100)

    DESCRIPTION The DC/DC converter converts the voltage from the HV battery to supply power to the vehicle lights, audio system and various ECUs, etc. At the same time, it performs charging of the auxiliary battery, controlling the output voltage to maintain a specific voltage at the auxiliary batte

     Light Sensor Circuit Malfunction (B124400)

    DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) turns on or off the headlights a

    © 2020-2024 Copyright www.tcorollacross.com