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Terminals Of Ecu [12/2013 - ]

  1. CHECK MAIN BODY ECU (NETWORK GATEWAY ECU) 
    Fig 1: Main Body ECU Connector Terminal Identification (Network Gateway ECU)
    GTY392296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *1 Instrument Panel Junction Block Assembly *2 Main Body ECU (Network Gateway ECU)
    1. Remove the main body ECU (network gateway ECU) from the instrument panel junction block assembly.
    2. Disconnect the D5 and D6 main body ECU (network gateway ECU) connectors.
    3. Measure the resistance and voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      D5-22 (ACC)* - Body ground W - Body ground ACC power supply Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      D5-27 (TMSW) - Body ground G - Body ground Luggage door opening cancel switch signal input Luggage door opening cancel switch assembly off 10 kΩ or higher
      Luggage door opening cancel switch assembly on Below 1 Ω
      D6-16 (TSW) - Body ground L - Body ground Luggage door opening switch signal input Luggage door opening switch assembly off 10 kΩ or higher
      Luggage door opening switch assembly on Below 1 Ω
      • *: w/ Smart Key System

      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the D5 and D6 main body ECU (network gateway ECU) connectors.
    5. Install the main body ECU (network gateway ECU) to the instrument panel junction block assembly.
    6. Measure the voltage according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      D5-27 (TMSW) - Body ground G - Body ground Luggage compartment door lock motor drive output Ignition switch ON
      Luggage door opening cancel switch on      		 Below 1 V
      D6-16 (TSW) - Body ground L - Body ground Luggage compartment door lock motor drive output Ignition switch ON
      Luggage door opening switch on      		 Below 1 V
      3B-6 - Body ground G - Body ground Luggage compartment door lock motor drive output Ignition switch ON
      Luggage door opening switch on      		 11 to 14 V

      If the result is not as specified, the main body ECU (network gateway ECU) or instrument panel junction block assembly may have a malfunction.

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