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

    B001YW2C06
    *a Connector Color: Gray (to GNSS Antenna) *b Connector Color: Blue (to Telephone Antenna)
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    P3-1 (+B) - P3-4 (E) P - W-B Power source (+B) Always 11 to 14 V
    P3-2 (SPI+) - P3-4 (E)* B - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    P3-3 (SPI-) - P3-4 (E)* W - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    P3-4 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
    P3-5 (SPO+) - P3-4 (E) B - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    P3-6 (SPO-) - P3-4 (E) W - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    P3-7 (IG2) - P3-4 (E) W - W-B Power source (IG) Engine switch on (IG) 11 to 14 V
    Engine switch off Below 1 V
    P3-8 (ACC) - P3-4 (E) BE - W-B Power source (ACC) Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    P3-10 (SPDP) - P3-4 (E)* L - W-B Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

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    		-
    P3-11 (IND1) - P3-4 (E) G - 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
    P3-12 (IND2) - P3-4 (E) P - W-B Manual (SOS) switch indicator (green) illumination signal For 2 seconds after engine switch turned on (IG) and the manual (SOS) switch indicator (red) has illuminated for 10 seconds 1 to 8.5 V
    Engine switch off Below 1 V
    P3-15 (CANP) L CAN communication signal - -
    P3-16 (CANN) GR CAN communication signal - -
    P3-17 (MUTE) - P3-4 (E)* B - W-B Mute signal Audio system playing 3.5 to 5V
    Emergency call mode Below 1 V
    P3-18 (MCO+) - P3-4 (E)* W - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    P3-19 (MCO-) - P3-4 (E)* B - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    P3-23 (ILL+) - P3-4 (E) G - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    P3-24 (GSW) - P3-4 (E) W - W-B Collision detection signal Engine switch on (IG)

    Pulse generation

    (Refer to waveform 1)
    P3-26 (SIG-) - P3-4 (E) V - W-B Ground Always Below 1 Ω
    P3-27 (SIG1) - P3-4 (E) L - 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
    P3-32 (SGND) - P3-4 (E) Shielded - W-B Shield ground Always Below 1 Ω
    P3-33 (MCVD) - P3-4 (E) R - W-B Microphone power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    P3-34 (MCI+) - P3-4 (E)* W - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    P3-35 (MCI-) - P3-4 (E)* B - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-

    • *: for 14 Speakers


    1. B001WLSN08

      Oscilloscope waveform:


      1. Waveform 1

        Item Condition
        Tester connection P3-24 (GSW) - P3-4 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Engine switch on (IG)

  2. MULTI-MEDIA MODULE RECEIVER ASSEMBLY (for 14 Speakers)

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