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

Tech Tips

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


  1. TELEMATICS TRANSCEIVER

    A01W46MC29
    *a Connector Color: Gray (to GNSS Antenna) *b Connector Color: Blue (to Telephone Antenna)
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H101-1 (+B) - H101-4 (E) Y - W-B Power source (+B) Always

    11 to 14 V*1

    9.5 to 14 V*2
    H101-2 (SPI+) - H101-4 (E) B - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    H101-3 (SPI-) - H101-4 (E) Y - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    H101-4 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    H101-5 (SPO+) - H101-4 (E) B - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    H101-6 (SPO-) - H101-4 (E) Y - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    H101-7 (IG2) - H101-4 (E) LG - W-B Power source (IG) Engine switch on (IG)

    11 to 14 V*1

    9.5 to 14 V*2
    Engine switch off Below 1 V
    H101-8 (ACC) - H101-4 (E) B - W-B Power source (ACC) Engine switch on (ACC)

    11 to 14 V*1

    9.5 to 14 V*2
    Engine switch off Below 1 V
    H101-9 (SLED) - H101-4 (E) L - W-B Manual (SOS) switch illumination power supply Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    H101-10 (SPDP) - H101-4 (E) W - W-B Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

    Click here

    		-
    H101-11 (IND1) - H101-4 (E) R - W-B Manual (SOS) switch indicator (red) illumination signal For 10 seconds after engine switch turned on (IG) 1 to 8.5 V
    Engine switch off Below 1 V
    H101-12 (IND2) - H101-4 (E) BR - W-B Manual (SOS) switch indicator (green) illumination signal For 2 seconds after engine switch turned on (IG) 1 to 8.5 V
    Engine switch off Below 1 V
    H101-15 (CANP) R*3, BE*4 CAN communication signal - -
    H101-16 (CANN) B*3, W*4 CAN communication signal - -
    H101-17 (MUTE) - H101-4 (E) B - W-B Mute signal Audio system playing 5.0 V or less
    Emergency call mode Below 1 V
    H101-18 (MCO+) - H101-4 (E) R - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    H101-19 (MCO-) - H101-4 (E) G - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    H101-23 (ILL+) - H101-4 (E) G - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 6.8 V or higher
    H101-24 (GSW) - H101-4 (E) B - W-B Collision detection signal Engine switch on (IG)

    Pulse generation

    (Refer to waveform 1)
    H101-26 (SIG-) - H101-4 (E) V - W-B Ground Always Below 1 Ω
    H101-27 (SIG1) - H101-4 (E) LG - W-B Manual (SOS) switch condition signal Manual (SOS) switch not pressed 2.0 to 2.3 V
    Manual (SOS) switch pressed Below 1 V
    H101-32 (SGND) - H101-4 (E) Shield - W-B Shield ground Always Below 1 Ω
    H101-33 (MCVD) - H101-4 (E) R - W-B Microphone power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    H101-34 (MCI+) - H101-4 (E) W - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    H101-35 (MCI-) - H101-4 (E) B - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-

    • *1: w/o Stop and Start System

    • *2: w/ Stop and Start System

    • *3: w/ Network Gateway ECU

    • *4: w/o Network Gateway ECU


    1. A01W1RMN08

      Oscilloscope waveform:


      1. Waveform 1

        Item Condition
        Tester connection H101-24 (GSW) - H101-4 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Engine switch on (IG)

  2. RADIO RECEIVER ASSEMBLY

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