TELEMATICS SYSTEM TERMINALS OF ECU

Tech Tips

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


  1. TELEMATICS TRANSCEIVER

    A01VBXEC25
    *a Connector Color: Gray (to GNSS Antenna) *b Connector Color: Blue (to Telephone Antenna)
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F36-1 (+B) - F36-4 (E) SB - W-B Power source (+B) Power switch off 11 to 14 V
    F36-2 (SPI+) - F36-4 (E) LA-LG*1, BE*2 - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    F36-3 (SPI-) - F36-4 (E) LA-L*1, G*2 - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    F36-4 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    F36-5 (SPO+) - F36-4 (E) LA-LG*1, LG*2 - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    F36-6 (SPO-) - F36-4 (E) LA-L*1, L*2 - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    F36-7 (IG2) - F36-4 (E) W - W-B Power source (IG) Power switch on (IG) 11 to 14 V
    Power switch off Below 1 V
    F36-8 (ACC) - F36-4 (E) GR - W-B Power source (ACC) Power switch on (ACC) 11 to 14 V
    Power switch off Below 1 V
    F36-9 (SLED) - F36-4 (E) LG - W-B Manual (SOS) switch illumination power supply Power switch on (ACC) 11 to 14 V
    Power switch off Below 1 V
    F36-10 (SPDP) - F36-4 (E)*3 G - W-B Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

    Click here

    		-
    F36-10 (SPDP) - F36-4 (E)*4 G - W-B Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

    Click here

    		-
    F36-11 (IND1) - F36-4 (E) V - W-B Manual (SOS) switch indicator (red) illumination signal For 10 seconds after power switch turned on (IG) 1 to 8.5 V
    Power switch off Below 1 V
    F36-12 (IND2) - F36-4 (E) L - W-B Manual (SOS) switch indicator (green) illumination signal For 2 seconds after power switch turned on (IG) 1 to 8.5 V
    Power switch off Below 1 V
    F36-15 (CANP) GR CAN communication signal - -
    F36-16 (CANN) W CAN communication signal - -
    F36-17 (MUTE) - F36-4 (E) LG - W-B Mute signal Audio system playing 5.0 V or less
    Emergency call mode Below 1 V
    F36-18 (MCO+) - F36-4 (E)*3 G - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    F36-18 (MCO+) - F36-4 (E)*4 G - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    F36-19 (MCO-) - F36-4 (E)*3 R - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    F36-19 (MCO-) - F36-4 (E)*4 R - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    F36-23 (ILL+) - F36-4 (E) R - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 6.8 V or higher
    F36-24 (GSW) - F36-4 (E) W - W-B Collision detection signal Power switch on (IG)

    Pulse generation

    (Refer to waveform 1)
    F36-26 (SIG-) - F36-4 (E) BE - W-B Ground Always Below 1 Ω
    F36-27 (SIG1) - F36-4 (E) P - 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
    F36-32 (SGND) - F36-4 (E) Shield - W-B Shield ground Always Below 1 Ω
    F36-33 (MCVD) - F36-4 (E) R - W-B Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4 to 6 V
    F36-34 (MCI+) - F36-4 (E)*3 B - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    F36-34 (MCI+) - F36-4 (E)*4 B - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    F36-35 (MCI-) - F36-4 (E)*3 W - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    F36-35 (MCI-) - F36-4 (E)*4 W - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-

    • *1: for 6 Speakers

    • *2: for 10 Speakers

    • *3: w/ Navigation System

    • *4: w/o Navigation System


    1. A01VBBZN08

      Oscilloscope waveform:


      1. Waveform 1

        Item Condition
        Tester connection F36-24 (GSW) - F36-4 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Power switch on (IG)

  2. RADIO AND DISPLAY RECEIVER ASSEMBLY

    w/ Navigation System: Click here

    w/o Navigation System: Click here