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

Tech Tips

Check from the rear of the connector while it is connected to the components.


  1. TELEMATICS TRANSCEIVER

    B001KU3E02
    Text in Illustration
    *a Connect to telephone antenna connector - -
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H145-1 (+B) - H145-4 (E) LG - W-B Power source (+B) Power switch off 11 to 14 V
    H145-2 (SPI+) - H145-4 (E) LG - W-B Sound signal Audio system playing A waveform synchronized with sounds is output
    H145-3 (SPI-) - H145-4 (E) L - W-B Sound signal Audio system playing A waveform synchronized with sounds is output
    H145-4 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    H145-5 (SPO+) - H145-4 (E) G - W-B Sound signal Emergency call mode A waveform synchronized with the received voice is output
    H145-6 (SPO-) - H145-4 (E) BR - W-B Sound signal Emergency call mode A waveform synchronized with the received voice is output
    H145-7 (IG2) - H145-4 (E) B - W-B Power source (IG) Power switch on (IG) 11 to 14 V
    Power switch off Below 1 V
    H145-8 (ACC) - H145-4 (E) B - W-B Power source (ACC) Power switch on (ACC) 11 to 14 V
    Power switch off Below 1 V
    H145-11 (IND1) - H145-4 (E) B - W-B Emergency call switch red indicator illumination signal For 5 seconds after turning the power switch on (ACC) 1 to 8.5 V
    Power switch off Below 1 V
    H145-12 (IND2) - H145-4 (E) GR - W-B Emergency call switch green indicator illumination signal For 5 seconds after turning the power switch on (ACC) 1 to 8.5 V
    Power switch off Below 1 V
    H145-13 (BBI-) - H145-4 (E) R - W-B Mayday battery power supply - -
    H145-15 (CANP) R CAN communication signal - -
    H145-16 (CANN) W CAN communication signal - -
    H145-17 (MUTE) - H145-4 (E) L - W-B Mute Signal Audio system playing Above 3.5 V
    Emergency call mode Below 1 V
    H145-18 (MCO+) - H145-4 (E) G - W-B Microphone voice signal

    Refer to "Microphone Check" Click here

    -
    H145-19 (MCO-) - H145-4 (E) R - W-B Microphone voice signal

    Refer to "Microphone Check" Click here

    -
    H145-20 (CTR1) - H145-4 (E) L - W-B Mayday battery control line - -
    H145-21 (CTR2) - H145-4 (E) G - W-B Mayday battery control line - -
    H145-24 (GSW) - H145-4 (E) LG - W-B Airbag deployment signal Power switch on (IG)

    Pulse generation

    (Refer to waveform 1)

    H145-26 (SIG-) - H145-4 (E) P - W-B Ground Always Below 1 V
    H145-27 (SIG1) - H145-26 (SIG-) L - P Emergency call switch button condition signal Emergency call switch not pressed 1.3 to 1.9 V
    Emergency call switch pressed 0.5 to 0.8 V
    H145-30 (BBI+) - H145-4 (E) B - W-B Mayday battery power supply - -
    H145-32 (SGND) - H145-4 (E) Shield - W-B Shield ground Always Below 1 V
    H145-33 (MCVD) - H145-4 (E) B - W-B Telephone microphone assembly power supply Power switch on (ACC) 4 to 6 V
    Power switch off Below 1 V
    H145-34 (MCI+) - H145-4 (E) W - W-B Microphone voice signal

    Refer to "Microphone Check" Click here

    -
    H145-35 (MCI-) - H145-4 (E) R - W-B Microphone voice signal

    Refer to "Microphone Check" Click here

    -
    H133-1-1 (USB-) - USB communication line - -
    H133-1-2 (USB+) - USB communication line - -
    H133-1-3 (USBS) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H133-2 (USBG) - Body ground W - Body ground Shield ground Always Below 1 V
    H133-3 (VOT+) - H145-4 (E) G - W-B Receive voice signal Receiving a call while using the operator service A waveform synchronized with the received voice is output
    H133-4 (USBV) - H145-4 (E) W - W-B Telephone microphone assembly power supply Power switch on (ACC) 4.75 to 5.25 V
    Power switch off Below 1 V
    H133-5 (VOT-) - H145-4 (E) B - W-B Receive voice signal Receiving a call while using the operator service A waveform synchronized with the received voice is output
    H133-6 (VOR-) - H145-4 (E) R - W-B Sent voice signal Calling while using the operator service A waveform synchronized with the sent voice is output
    H133-7 (VOR+) - H145-4 (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. B001L8EE07

        Waveform 1

        Item Condition
        Tester Connection H145-24 (GSW) - H145-4 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Power switch on (IG)
  2. RADIO RECEIVER ASSEMBLY Click here