G-BOOK SYSTEM (w/ Telematics Transceiver) TERMINALS OF ECU


  1. TELEMATICS TRANSCEIVER

    A019N94E05
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    G25-1 (+B) - G25-4 (E) W - W-B Battery Always 11 to 14 V
    G25-2 (SPI+) - G25-4 (E) R - W-B Sound signal Audio system playing A waveform synchronized with sounds is output
    G25-3 (SPI-) - G25-4 (E) P - W-B Sound signal Audio system playing A waveform synchronized with sounds is output
    G25-4 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    G25-5 (SPO+) - G25-4 (E) G - W-B Sound signal Emergency call mode A waveform synchronized with the received voice is output.
    G25-6 (SPO-) - G25-4 (E) R - W-B Sound signal Emergency call mode A waveform synchronized with the received voice is output.
    G25-7 (IG2) - G25-4 (E) W - W-B Power source (IG) Engine switch on (IG) 11 to 14 V
    Engine switch off Below 1 V
    G25-8 (ACC) - G25-4 (E) Y - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    G25-9 (SLED) - G25-4 (E) GR - W-B Emergency call switch illumination power supply Engine switch on (ACC) 5 to 8 V
    Engine switch off Below 1 V
    G25-11 (IND1) - G25-4 (E) V - W-B Emergency call switch red indicator illumination signal For 5 seconds after turning the engine switch on (ACC) 1 to 8.5 V
    Engine switch off Below 1 V
    G25-12 (IND2) - G25-4 (E) BR - W-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
    G25-13 (BBI-) - G25-4 (E) L - W-B Mayday battery power supply - -
    G25-17 (MUTE) - G25-4 (E) LG - W-B MUTE Signal Audio system playing Below 1 V
    Emergency call mode 3.5 V or higher
    G25-18 (MCO+) - G25-4 (E) G - W-B Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    G25-19 (MCO-) - G25-4 (E) R - W-B Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    G25-20 (CTR1) - G25-4 (E) B - W-B Mayday battery control line - -
    G25-21 (CTR2) - G25-4 (E) Y - W-B Mayday battery control line - -
    G25-24 (GSW) - G25-4 (E) R - W-B Airbag deployment signal Engine switch on (IG)

    Pulse generation

    (Refer to waveform 1)

    G25-26 (SIG-) - G25-4 (E) G - W-B Ground Always Below 1 V
    G25-27 (SIG1) - G25-26 (SIG-) Y - G Emergency call switch button condition signal Emergency call switch button not pressed 1.7 V
    Emergency call switch button pressed 0.7 V
    G25-30 (BBI+) - G25-4 (E) R - W-B Mayday Battery Power Supply - -
    G25-32 (SGND) - G25-4 (E) Shield - W-B Shield ground Always Below 1 V
    G25-33 (MCVD) - G25-4 (E) B - W-B Telephone microphone assembly power supply Engine switch on (ACC) 4 to 6 V
    Engine switch off Below 1 V
    G25-34 (MCI+) - G25-4 (E) W - W-B Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    G25-35 (MCI-) - G25-4 (E) R - W-B Microphone voice signal

    See "Microphone&Voice Recognition Check" Click here

    -
    G53-1-1 (USB-) - USB communication line - -
    G53-1-2 (USB+) - USB communication line - -
    G53-1-3 (USBS) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G53-2 (USBG) - Body ground W - Body ground Shield ground Always Below 1 V
    G53-3 (VOT+) - G25-4 (E) G - W-B Receive voice signal Receiving a call while using the operator service A waveform synchronized with the received voice is output.
    G53-4 (USBV) - G25-4 (E) W - W-B Telephone microphone assembly power supply Engine switch on (ACC) 4.75 to 5.25 V
    Engine switch off Below 1 V
    G53-5 (VOT-) - G25-4 (E) B - W-B Receive voice signal Receiving a call while using the operator service A waveform synchronized with the received voice is output.
    G53-6 (VOR-) - G25-4 (E) R - W-B Sent voice signal Calling while using the operator service A waveform synchronized with the sent voice is output
    G53-7 (VOR+) - G25-4 (E) W - 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. A019NQJE01

        Waveform 1

        Item Condition
        Tester Connection G25-24 (GSW) - G25-4 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Engine switch on (IG)
  2. MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here