G-BOOK SYSTEM TERMINALS OF ECU


  1. TELEMATICS TRANSCEIVER

    A01GIODE10
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    L142-1 (+B) - L142-10 (E) R -B Battery Always 11 to 14 V
    L142-2 (SPI+) - L142-10 (E) L - B Sound signal Audio system playing A waveform synchronized with sound is output.
    L142-3 (SPI-) - L142-10 (E) LG - B Sound signal Audio system playing A waveform synchronized with sound is output.
    L142-5 (MCI-) - L142-10 (E) R - B Microphone voice signal

    See "Microphone & Voice Recognition Check" Click here

    		-
    L142-6 (MCI+) - L142-10 (E) W - B Microphone voice signal

    See "Microphone & Voice Recognition Check" Click here

    		-
    L142-7 (MCO+) - L142-10 (E) Y - B Microphone voice signal

    See "Microphone & Voice Recognition Check" Click here

    		-
    L142-8 (MCO-) - L142-10 (E) BR - B Microphone voice signal

    See "Microphone & Voice Recognition Check" Click here

    		-
    L142-9 (MUTE) - L142-10 (E) SB - B MUTE signal Audio system playing 3.5 V or higher
    Emergency call mode Below 1 V
    L142-10 (E) - Body ground B - Body ground Ground Always Below 1 V
    L142-11 (SPO+) - L142-10 (E) V - B Sound signal Emergency call mode A waveform synchronized with the received voice is output.
    L142-12 (SPO-) - L142-10 (E) P - B Sound signal Emergency call mode A waveform synchronized with the received voice is output.
    L142-13 (ACC) - L142-10 (E) LG - B Power source (ACC) Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    L142-14 (IG2) - L142-10 (E) R - B Power source (IG) Engine switch on (IG) 11 to 14 V
    Engine switch off Below 1 V
    L142-16 (IND2) - L142-10 (E) L - B Emergency call switch green indicator illumination signal For 5 seconds after turning the engine switch on (ACC) 1 to 8.5 V
    Engine switch off Below 1 V
    L142-17 (IND1) - L142-10 (E) LG - B Emergency call switch red indicator illumination signal For 5 seconds after turning the engine switch on (ACC) 1 to 8.5 V
    Always Below 1 V
    Engine switch off Below 1 V
    L142-18 (SIG1) - L142-19 (SIG-) P - G Emergency call switch button condition signal Emergency call switch button not pressed 1.7 V
    Emergency call switch button pressed 1 V
    L142-19 (SIG-) - L142-10 (E) G - B Ground Always Below 1 V
    L142-20 (MCVD) - L142-10 (E) B - B Telephone microphone assembly power supply Engine switch on (ACC) 4 to 6 V
    Engine switch off Below 1 V
    L142-21 (SGND) - L142-10 (E) Shield - B Shield ground Always Below 1 V
    L142-22 (GSW) - L142-10 (E) L - B Airbag deployment signal Engine switch on (IG)

    Pulse generation

    (Refer to waveform 1)
    L172-1-1 (USB-) W USB communication line - -
    L172-1-2 (USB+) W USB communication line - -
    L172-1-3 (USBS) - Body ground W - Body ground Shield ground Always Below 1 V
    L172-2 (USBG) - Body ground W - Body ground Shield ground Always Below 1 V
    L172-3 (VOT+) - L142-10 (E) G - B Receive voice signal Receiving a call while using the operator service A waveform synchronized with the received voice is output.
    L172-4 (USBV) - L142-10 (E) W - B Telematics transceiver power supply Engine switch on (ACC) 4.75 to 5.25 V
    Engine switch off Below 1 V
    L172-5 (VOT-) - L142-10 (E) B - B Receive voice signal Receiving a call while using the operator service A waveform synchronized with the received voice is output.
    L172-6 (VOR-) - L142-10 (E) R - B Sent voice signal Calling while using the operator service A waveform synchronized with the sent voice is output.
    L172-7 (VOR+) - L142-10 (E) W - B Sent voice signal Calling while using the operator service A waveform synchronized with the sent voice is output.

    1. Reference (Oscilloscope waveform):


      1. A01GM8JE01

        Waveform 1

        Item Condition
        Tester connection L142-22 (GSW) - L142-10 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Engine switch on (IG)

  2. MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here