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Terminals Of Ecu [11/2023 - ]

  1. CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    GTY1177775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the MB main body ECU (multiplex network body ECU) connector.

      Refer to REMOVAL [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-13 (GND1) - Body ground Ground Always Below 1 Ω
      MB-14 (GND2) - Body ground Ground Always Below 1 Ω
      MB-26 (BECU) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
      MB-27 (IGR) - Body ground IG power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
    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
      8B-37 - Body ground LIN communication line Ignition switch ON Pulse generation
      8G-17 - Body ground LIN communication line Ignition switch ON Pulse generation
      H136-11 (LIN4) - 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 11 to 14 V
      J18-12 (GND) - Body ground Ground Always Below 1 Ω
    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 11 to 14 V
      J24-1 (GND) - Body ground Ground Always Below 1 Ω
    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 11 to 14 V
      J8-1 (GND) - Body ground Ground Always Below 1 Ω
    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 11 to 14 V
      K4-1 (GND) - Body ground Ground Always Below 1 Ω
    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 11 to 14 V
      K9-1 (GND) - Body ground Ground Always Below 1 Ω
    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 11 to 14 V
      R2-2 (E) - Body ground Ground Always Below 1 Ω
    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 11 to 14 V
      R19-12 (E) - Body ground Ground Always Below 1 Ω
    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 11 to 14 V
      R20-12 (E) - Body ground Ground Always Below 1 Ω
    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 without Towing Hitch) 
    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 11 to 14 V
      V7-7 (GND) - Body ground Ground Always Below 1 Ω
    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 KICK DOOR CONTROL SENSOR (w/ Hands Free Power Back Door with Towing Hitch) 
    GTY1178156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the V8 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
      V8-2 (B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
      V8-7 (GND) - Body ground Ground Always Below 1 Ω
    3. Reconnect the V8 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
      V8-6 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  12. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    GTY1178469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H138 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
      H138-6 (+B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
      H138-29 (E) - Body ground Ground Always Below 1 Ω
    3. Reconnect the H138 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
      H138-8 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation
  13. CHECK ID CODE BOX (IMMOBILISER CODE ECU) 
    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 11 to 14 V
      H53-5 (GND) - Body ground Ground Ignition switch off Below 1 Ω
    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
  14. CHECK RAIN SENSOR (w/ Auto Wiper System) 
    GTY1180297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      R4-3 (MPX) - Body ground LIN communication line Ignition switch ON Pulse generation
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