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Terminals Of Ecu [12/2019 - ]

  1. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) 
    GTY914434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R2 sliding roof ECU (sliding roof drive gear assembly) connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      R2-1 (B) - R2-2 (E) Auxiliary battery power supply Ignition switch off*1
      Always*2
      11 to 14 V
      R2-6 (IG) - R2-2 (E) Power source (IG) Ignition switch ON 11 to 14 V
      R2-6 (IG) - R2-2 (E) Power source (IG) Ignition switch off Below 1 V
      R2-2 (E) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the R2 sliding roof ECU (sliding roof drive gear assembly) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      R2-10 (OPN) - R2-2 (E) Sliding roof motor open Ignition switch ON, OPEN switch on Below 1 V
      R2-10 (OPN) - R2-2 (E) Sliding roof motor open Ignition switch ON, OPEN switch off 11 to 14 V
      R2-8 (CLS) - R2-2 (E) Sliding roof motor close Ignition switch ON, CLOSE switch on Below 1 V
      R2-8 (CLS) - R2-2 (E) Sliding roof motor close Ignition switch ON, CLOSE switch off 11 to 14 V
      R2-5 (OPN) - R2-2 (E) Sliding roof motor up Ignition switch ON, UP switch on Below 1 V
      R2-5 (OPN) - R2-2 (E) Sliding roof motor up Ignition switch ON, UP switch off 11 to 14 V
      R2-9 (CLS) - R2-2 (E) Sliding roof motor down Ignition switch ON, DOWN switch on Below 1 V
      R2-9 (CLS) - R2-2 (E) Sliding roof motor down Ignition switch ON, DOWN switch off 11 to 14 V
  2. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

    Refer to TERMINALS OF ECU [12/2019 - 11/2023] , or refer to TERMINALS OF ECU [11/2023 - ]