TELEMATICS SYSTEM(for ERA-GLONASS) TERMINALS OF ECU

Tech Tips

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


  1. TELEMATICS TRANSCEIVER

    B006C7LC39
    *a Connector Color: Gray (to GNSS Antenna) *b Connector Color: Blue (to Telephone Antenna)
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    G56-1 (+B) - G56-4 (E) L - LA Power source (+B) Always 10.5 to 16 V
    G56-2 (SPI+) - G56-4 (E) LA-L - LA Sound signal Audio system playing A waveform synchronized with sound signals is output
    G56-3 (SPI-) - G56-4 (E) LA-P - LA Sound signal Audio system playing A waveform synchronized with sound signals is output
    G56-4 (E) - Body ground LA - Body ground Ground Always Below 1 Ω
    G56-5 (SPO+) - G56-4 (E) LA-L - LA Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    G56-6 (SPO-) - G56-4 (E) LA-P - LA Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    G56-7 (IG2) - G56-4 (E) LG - LA Power source (IG) Engine switch on (IG) 10.5 to 16 V
    Engine switch off Below 1 V
    G56-8 (ACC) - G56-4 (E) BE - LA Power source (ACC) Engine switch on (ACC) 10.5 to 16 V
    Engine switch off Below 1 V
    G56-9 (SLED) - G56-4 (E) SB - LA Manual (SOS) switch illumination power supply Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    G56-10 (SPDP) - G56-4 (E) LG - LA Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

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    		-
    G56-11 (IND1) - G56-4 (E) G - LA 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
    G56-12 (IND2) - G56-4 (E) P - LA 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
    G56-15 (CANP) G CAN communication signal - -
    G56-16 (CANN) W CAN communication signal - -
    G56-17 (MUTE) - G56-4 (E) L - LA Mute signal Audio system playing 3 to 5 V
    Emergency call mode Below 1 V
    G56-23 (ILL+) - G56-4 (E) P - LA Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    G56-24 (GSW) - G56-4 (E) W - LA Collision detection signal Engine switch on (IG)

    Pulse generation

    (Refer to waveform 1)
    G56-26 (SIG-) - G56-4 (E) V - LA Ground Always Below 1 Ω
    G56-27 (SIG1) - G56-4 (E) Y - LA Manual (SOS) switch condition signal Manual (SOS) switch not pressed 2.0 to 2.3 V
    Manual (SOS) switch pressed Below 1 V
    G56-32 (SGND) - G56-4 (E) Shielded - LA Shield ground Always Below 1 Ω
    G56-33 (MCVD) - G56-4 (E) R - LA Microphone power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    G56-34 (MCI+) - G56-4 (E) W - LA Receive microphone voice signal

    See "Perform Test Call" in Operation Check

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    		-
    G56-35 (MCI-) - G56-4 (E) B - LA Receive microphone voice signal

    See "Perform Test Call" in Operation Check

    Click here

    		-

    1. B0069QRN08

      Oscilloscope waveform:


      1. Waveform 1

        Item Condition
        Tester connection G56-24 (GSW) - G56-4 (E)
        Tool setting 5.0 V/DIV., 20 ms/DIV.
        Vehicle condition Engine switch on (IG)

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY

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