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Terminals Of Ecu [12/2019 - 10/2022]

  1. DCM (TELEMATICS TRANSCEIVER) 
    GTY926857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a to Telephone Antenna (Sub) *b to GPS Antenna
    *c to Telephone Antenna (Main) - -
    Terminal No. (Symbol) Terminal Description Condition Specified Condition
    c2-1 (USB-) USB communication line - -
    c2-2 (USB+) USB communication line - -
    c2-3 (USBS) - Body ground Shield ground Always Below 1 V
    H11-31 (USBG) - Body ground DCM (telematics transceiver) power supply ground signal Always Below 1 V
    H11-17 (VOT+) - H11-20 (E) Sent voice signal Calling while using the operator service A waveform synchronized with the voice signals received voice is output
    H11-15 (USBV) - H11-20 (E) DCM (telematics transceiver) power supply signal Ignition switch off Below 1 V
    Ignition switch ON 4.5 to 5.25 V
    H11-33 (VOT-) - H11-20 (E) Sent voice signal Calling while using the operator service A waveform synchronized with the received voice is output
    H11-34 (VOR-) - H11-20 (E) Receive voice signal Receiving a call while using the operator service A waveform synchronized with the sent voice is output
    H11-18 (VOR+) - H11-20 (E) Receive voice signal Receiving a call while using the operator service A waveform synchronized with the sent voice is output
  2. RADIO AND DISPLAY RECEIVER ASSEMBLY (for 8 Inch Display) 
    GTY849796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Terminal Description Condition Specified Condition
    c1-1 (US4+)* USB communication line - -
    c1-2 (US4-)* USB communication line - -
    c1-3 (UGD4)* Shield ground Always Below 1 V
    H3-15 (VOT+) - H1-1 (GND1) Sent voice signal Destination assist service in use and vehicle occupant speaking to operator A waveform synchronized with the sent voice is output
    H3-10 (USBV) - H1-1 (GND1) DCM (telematics transceiver) power supply Ignition switch ON 4.75 to 5.25 V
    Ignition switch off A waveform synchronized with sound is output
    H3-11 (USBG) - H1-1 (GND1) DCM (telematics transceiver) power supply ground signal Always Below 1 V
    H3-13 (VOR+) - H1-1 (GND1) Receive voice signal Destination assist service in use and operator speaking to vehicle occupant A waveform synchronized with the received voice is output
    H3-14 (VOR-) - H1-1 (GND1) Receive voice signal Destination assist service in use and operator speaking to vehicle occupant A waveform synchronized with the received voice is output
    H3-15 (VOT+) - H1-1 (GND1) Sent voice signal Destination assist service in use and operator speaking to vehicle occupant A waveform synchronized with the voice signals received voice is output
    H3-16 (VOT-) - H1-1 (GND1) Sent voice signal Destination assist service in use and vehicle occupant speaking to operator A waveform synchronized with the sent voice is output

    *: w/o Navigation System

  3. RADIO RECEIVER ASSEMBLY (for 12.3 Inch Display) 
    GTY899356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Terminal Description Condition Specified Condition
    H6-15 (VOT+) - H4-1 (GND1) Sent voice signal Destination assist service in use and vehicle occupant speaking to operator A waveform synchronized with the sent voice is output
    H6-10 (USBV) - H4-1 (GND1) DCM (telematics transceiver) power supply Ignition switch ON 4.75 to 5.25 V
    Ignition switch off A waveform synchronized with sound is output
    H6-11 (USBG) - H4-1 (GND1) DCM (telematics transceiver) power supply ground signal Always Below 1 V
    H6-13 (VOR+) - H4-1 (GND1) Receive voice signal Destination assist service in use and operator speaking to vehicle occupant A waveform synchronized with the received voice is output
    H6-14 (VOR-) - H4-1 (GND1) Receive voice signal Destination assist service in use and operator speaking to vehicle occupant A waveform synchronized with the received voice is output
    H6-15 (VOT+) - H4-1 (GND1) Sent voice signal Destination assist service in use and operator speaking to vehicle occupant A waveform synchronized with the voice signals received voice is output
    H6-16 (VOT-) - H4-1 (GND1) Sent voice signal Destination assist service in use and vehicle occupant speaking to operator A waveform synchronized with the sent voice is output
  4. NAVIGATION ECU (w/ Navigation System) 
    GTY873697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A For 8 Inch Display *B For 12.3 Inch Display
    FOR 8 INCH DISPLAY

    Terminal No. (Symbol) Terminal Description Condition Specified Condition
    c5-2 (USB-) USB communication line - -
    c5-1 (USB+) USB communication line - -
    c5-3 (USBS) - Body ground Shield ground Always Below 1 V
    FOR 12.3 INCH DISPLAY

    Terminal No. (Symbol) Terminal Description Condition Specified Condition
    c4-2 (USB-) USB communication line - -
    c4-1 (USB+) USB communication line - -
    c4-3 (USBS) - Body ground Shield ground Always Below 1 V
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