DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Telematics System - Diagnostics - Introduction >> Telematics System >> Terminals Of Ecu [10/2022 - ] >> Terminals Of Ecu [10/2022 - ]

Terminals Of Ecu [10/2022 - ]

HINT: 

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

  1. DCM (TELEMATICS TRANSCEIVER) 
    GTY1250024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Terminal Description Condition Specified Condition
    H11-1 (+B) - H11-20 (E) Power source (+B) Ignition switch off*1
    Always*2
    11 to 14 V
    H11-15 (USBV) - H11-20 (E) DCM (telematics transceiver) power supply signal Ignition switch ON 4.75 to 5.25 V
    Ignition switch off Below 1 V
    H11-17 (VOT+) - H11-20 (E) Sent voice signal Calling while using the operator service A waveform synchronized with the received voice is output
    H11-19 (IG2) - H11-20 (E) Power source (IG) Ignition switch ON 11 to 14 V
    Ignition switch off Below 1 V
    H11-20 (E) - Body ground Ground Always Below 1 Ω
    H11-25 (CANP) CAN communication signal - -
    H11-26 (CANN) CAN communication signal - -
    H11-31 (USBG) - Body ground Shield ground Always Below 1 Ω
    H11-33 (VOT-) - H11-20 (E) Sent voice signal Calling while using the operator service A waveform synchronized with the received voice is output
    c7-1 (US4+) USB communication line - -
    c7-2 (US4-) USB communication line - -
    c7-3 (UGD4) - Body ground Shield ground Always Below 1 V

    *1: for HV Model

    *2: for Gasoline Model

  2. RADIO AND DISPLAY RECEIVER ASSEMBLY 

    Refer to TERMINALS OF ECU [10/2022 - ]