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Terminals Of Ecu [10/2021 - 11/2023]

  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    GTY848256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the MB main body ECU (multiplex network body ECU) connector.

      Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

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

      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      MB-11 (GND1) - Body ground Ground Always Below 1 Ω
      MB-31 (BECU) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      MB-30 (ACC) - Body ground ACC power supply Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      MB-32 (IG) - Body ground IG power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the MB main body ECU (multiplex network body ECU) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      4D-25 - Body ground LIN communication line Ignition switch ON Pulse generation
      4B-17 - Body ground LIN communication line Ignition switch ON Pulse generation
  2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    GTY846619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J18 multiplex network master switch assembly connector.
    2. Measure the voltage and resistance 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
      J18-11 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      J18-12 (GND) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the J18 multiplex network master switch assembly connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      J18-17 (LIN1) - Body ground LIN communication line Ignition switch ON Pulse generation
      J18-16 (LIN2) - Body ground LIN communication line Ignition switch ON Pulse generation
  3. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR) 
    GTY902577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J24 power window regulator motor assembly (driver door) connector.
    2. Measure the voltage and resistance 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
      J24-2 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      J24-1 (GND) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the J24 power window regulator motor assembly (driver door) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      J24-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  4. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER DOOR) 
    GTY902576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J8 power window regulator motor assembly (front passenger door) connector.
    2. Measure the voltage and resistance 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
      J8-2 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      J8-1 (GND) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the J8 power window regulator motor assembly (front passenger door) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      J8-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR RH DOOR) 
    GTY902139Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K4 power window regulator motor assembly (rear RH door) connector.
    2. Measure the voltage and resistance 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
      K4-2 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      K4-1 (GND) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the K4 power window regulator motor assembly (rear RH door) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K4-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR LH DOOR) 
    GTY902138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K9 power window regulator motor assembly (rear LH door) connector.
    2. Measure the voltage and resistance 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
      K9-2 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      K9-1 (GND) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the K9 power window regulator motor assembly (rear LH door) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K9-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  7. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) (w/ Sliding Roof System) 
    GTY914433Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R2 sliding roof ECU (sliding roof drive gear assembly) connector.
    2. Measure the voltage and resistance 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) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 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. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      R2-7 (MPX1) - Body ground LIN communication line Ignition switch ON Pulse generation
  8. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) (w/ Panoramic Moon Roof System) 
    GTY855231Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R19 sliding roof ECU (sliding roof drive gear assembly) connector.
    2. Measure the voltage and resistance 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
      R19-8 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      R19-12 (E) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the R19 sliding roof ECU (sliding roof drive gear assembly) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      R19-11 (MPX1) - Body ground LIN communication line Ignition switch ON Pulse generation
  9. CHECK ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) (w/ Panoramic Moon Roof System) 
    GTY855225Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R20 roof sunshade ECU (sliding roof drive gear assembly) connector.
    2. Measure the voltage and resistance 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
      R20-8 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      R20-12 (E) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the R20 roof sunshade ECU (sliding roof drive gear assembly) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      R20-11 (MPX1) - Body ground LIN communication line Ignition switch ON Pulse generation
  10. CHECK KICK DOOR CONTROL SENSOR (w/ Hands Free Power Back Door) 
    GTY932438Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the V7 kick door control sensor connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      V7-2 (B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      V7-7 (GND) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the V7 kick door control sensor connector.
    4. Measure the pulse according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      V7-6 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  11. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    GTY862621Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A for Gasoline Model - -
    1. Disconnect the H48 certification ECU (smart key ECU assembly) connector.
    2. Measure the voltage and resistance 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
      H48-4 (+B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      H48-18 (E) - Body ground Ground Always Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the H48 certification ECU (smart key ECU assembly) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      H48-13 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  12. CHECK ID CODE BOX (IMMOBILISER CODE ECU) (for HV Model) 
    GTY890563Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H53 ID code box (immobiliser code ECU) connector.
    2. Measure the voltage and resistance 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
      H53-1 (+B) - Body ground Auxiliary battery power supply Ignition switch off*1
      Always*2      		 11 to 14 V
      H53-5 (GND) - Body ground Ground Ignition switch off Below 1 Ω
      1. *1: for HV Model
      2. *2: for Gasoline Model
    3. Reconnect the H53 ID code box (immobiliser code ECU) connector.
    4. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      H53-2 (LIN1) - Body ground LIN communication line Ignition switch ON Pulse generation
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