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Terminals Of Ecu [11/2021 - ]

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NOTE:
  • When performing an inspection, make sure that "ACC Customize" is set to "ON" using the multi-display.

    Refer to CUSTOMIZE PARAMETERS [11/2021 - ] 

  • When "ACC Customize" is set to "ON" (ACC supply power enabled), the certification ECU (smart key ECU assembly) controls the ACC relay on and off. When "ACC Customize" is set to "OFF" (ACC supply power disabled), the certification ECU (smart key ECU assembly) and radio and display receiver assembly control the ACC relay on and off.

    Therefore, inspection conditions and results may differ depending on whether "ACC customize" is set to ON or OFF when inspecting ACC related terminals.

  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    GTY1081039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the A10 and D58 certification ECU (smart key ECU assembly) connectors.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Tester Connection Terminal Description Condition Specified Condition Related Data List Item
      D58-29 (E) - Body ground Ground Always Below 1 Ω -
      D58-6 (+B) - D58-29 (E) Power supply Ignition switch off 11 to 14 V -
      A10-22 (CUTB) - D58-29 (E) Dark current cut pin* Ignition switch off 11 to 14 V -
      1. *: In order to prevent the vehicle auxiliary battery from being depleted when the vehicle is shipped long distances, a fuse that cuts unnecessary electrical load while the vehicle is being shipped is installed in the circuit. If the fuse is removed, the circuit becomes open. If the fuse that is between the vehicle auxiliary battery and terminal CUTB is removed and the circuit is open, the certification ECU (smart key ECU assembly) changes to a certain control mode (example: the transmission of radio waves every 0.25 seconds, which form the detection area, stops).
    3. Reconnect the A10 and D58 certification ECU (smart key ECU assembly) connectors.
    4. Measure the voltage and check for pulses according to the value(s) in the table below.
      Tester Connection Terminal Description Condition Specified Condition Related Data List Item
      A10-24 (IGPD) - D58-29 (E) IG power supply Ignition switch off → ON Below 1 V → 9 V or higher Power source control 
      1. IGP Relay Circuit (Outside) Monitor
      A10-11 (IGRD) - D58-29 (E) IG power supply Ignition switch off → ON Below 1 V → 9 V or higher Power source control 
      1. IGR Relay Circuit (Outside) Monitor
      D58-21 (ACCD) - D58-29 (E) ACC power supply Ignition switch off → ACC Below 1 V → 8.5 V or higher Power source control 
      1. ACC Relay Monitor
      D58-16 (CLG1) - D58-29 (E) Output to driver door electrical key antenna
      (request signal (challenge) is sent to door electrical key antenna from certification ECU (smart key ECU assembly) to form detection area)      		 Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 1)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 2)      		 -
      D58-16 (CLG1) - D58-29 (E) Input to driver door lock sensor
      (front door outside handle assembly (for driver door) lock sensor on signal is sent to the certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Driver door lock sensor touched
      		 Pulse generation
      (See waveform 3)      		 Smart Access 
      1. Driver Side Lock Sensor
      D58-16 (CLG1) - D58-29 (E) Input to driver door unlock sensor
      (when system is in unlock standby mode and unlock sensor is touched, door electrical key antenna sends unlock sensor input signal (sensing) to certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Driver door unlock sensor touched
      		 Pulse generation
      (See waveform 4)      		 Smart Access 
      1. Driver Side Unlock Sensor
      D58-15 (CG1B) - D58-29 (E) Output to driver door electrical key antenna (terminal on opposite side of component from CLG1 output terminal) Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 5)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 6)      		 -
      D58-10 (CLG2) - D58-29 (E) Output to front passenger door electrical key antenna
      (request signal (challenge) is sent to door electrical key antenna from certification ECU (smart key ECU assembly) to form detection area)      		 Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 1)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 2)      		 -
      D58-10 (CLG2) - D58-29 (E) Input to front passenger door lock sensor
      (front door outside handle assembly (for front passenger door) lock sensor on signal is sent to the certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Front passenger door lock sensor touched
      		 Pulse generation
      (See waveform 3)      		 Smart Access 
      1. Passenger Side Lock Sensor
      D58-10 (CLG2) - D58-29 (E) Input to front passenger door unlock sensor
      (when system is in unlock standby mode and unlock sensor is touched, door electrical key antenna sends unlock sensor input signal (sensing) to certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Front passenger door unlock sensor touched
      		 Pulse generation
      (See waveform 4)      		 Smart Access 
      1. Passenger Side Unlock Sensor
      D58-9 (CG2B) - D58-29 (E) Output to front passenger door electrical key antenna (terminal on opposite side of component from CLG2 output terminal) Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 5)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 6)      		 -
      G12-27 (CLG3) - D58-29 (E) Output to rear door electrical key antenna (for driver side)
      (request signal (challenge) is sent to door electrical key antenna from certification ECU (smart key ECU assembly) to form detection area)      		 Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 1)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 2)      		 -
      G12-27 (CLG3) - D58-29 (E) Input to rear door lock sensor (for driver side)
      (rear door outside handle assembly (for driver side) lock sensor on signal is sent to the certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Rear door (for driver side) lock sensor touched
      		 Pulse generation
      (See waveform 3)      		 Smart Access 
      1. Rear Driver Side Lock Sensor
      G12-27 (CLG3) - D58-29 (E) Input to rear door unlock sensor (for driver side)
      (when system is in unlock standby mode and unlock sensor is touched, door electrical key antenna sends unlock sensor input signal (sensing) to certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Rear door (for driver side) unlock sensor touched
      		 Pulse generation
      (See waveform 4)      		 Smart Access 
      1. Rear Driver Side Unlock Sensor
      G12-26 (CG3B) - D58-29 (E) Output to rear door (for driver side) electrical key antenna (terminal on opposite side of component from CLG3 output terminal) Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 5)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 6)      		 -
      G12-14 (CLG4) - D58-29 (E) Output to rear door electrical key antenna (for front passenger side)
      (request signal (challenge) is sent to door electrical key antenna from certification ECU (smart key ECU assembly) to form detection area)      		 Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 1)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 2)      		 -
      G12-14 (CLG4) - D58-29 (E) Input to rear door lock sensor (for front passenger side)
      (rear door outside handle assembly (for front passenger side) lock sensor on signal is sent to the certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Rear door (for front passenger side) lock sensor touched
      		 Pulse generation
      (See waveform 3)      		 Smart Access 
      1. Rear Passenger Side lock Sensor
      G12-14 (CLG4) - D58-29 (E) Input to rear door unlock sensor (for front passenger side)
      (when system is in unlock standby mode and unlock sensor is touched, door electrical key antenna sends unlock sensor input signal (sensing) to certification ECU (smart key ECU assembly))      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Rear door (for front passenger side) unlock sensor touched
      		 Pulse generation
      (See waveform 4)      		 Smart Access 
      1. Rear Passenger Side Unlock Sensor
      G12-13 (CG4B) - D58-29 (E) Output to rear door (for front passenger side) electrical key antenna (terminal on opposite side of component from CLG4 output terminal) Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      		 Pulse generation
      (See waveform 5)      		 -
      Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      		 Pulse generation
      (See waveform 6)      		 -
      G12-4 (CLG8) - D58-29 (E) Output to electrical key antenna (outside luggage compartment) Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Back door opener switch assembly off → on
      		 Pulse generation
      (See waveform 7)      		 -
      G12-3 (CG8B) - D58-29 (E) Output to electrical key antenna (outside luggage compartment) (terminal on opposite side of component from CLG8 output terminal) Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Back door opener switch assembly off → on
      		 Pulse generation
      (See waveform 8)      		 -
      G12-16 (TSW5) - D58-29 (E) Back door opener switch assembly (open switch) signal input Back door opener switch assembly (open switch) off → on Pulse generation
      (See waveform 9)      		 Smart Access 
      1. Trunk Lid/Back Door Unlock Switch
      G12-17 (TSW6) - D58-29 (E) Back door opener switch assembly (lock switch) signal input Back door opener switch assembly (lock switch) off → on Pulse generation
      (See waveform 9)      		 Smart Access 
      1. Trunk Lid/Back Door Lock Switch
      G12-21 (RCO) - D58-29 (E) Output to electrical key and tire pressure monitoring system receiver assembly
      (Power supply for electrical key and tire pressure monitoring system receiver assembly. Certification ECU (smart key ECU assembly) outputs 5 V when receiver starts operating.)      		 Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      3. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation
      (See waveform 10)      		 -
      G12-11 (RDAM) - D58-29 (E) Electrical key and tire pressure monitoring system receiver assembly verifies data received from electrical key transmitter sub-assembly.
      Electrical key and tire pressure monitoring system receiver assembly sends data from electrical key transmitter sub-assembly to certification ECU (smart key ECU assembly) (Electrical key and tire pressure monitoring system receiver assembly intermittently grounds 12 V signal from certification ECU (smart key ECU assembly)).      		 Proceed:
      1. Ignition switch off
      2. All doors locked
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      5. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation
      (See waveform 11)      		 -
      G12-12 (CSEL) - D58-29 (E) Communication channel switching circuit Procedure:
      1. Ignition switch off
      2. All doors closed
      		 Below 1 V → Pulse generation -
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [11/2021 - ] 

    5. Using an oscilloscope, check waveform 1.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1009052Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection D58-16 (CLG1) - D58-29 (E)
      D58-10 (CLG2) - D58-29 (E)
      G12-27 (CLG3) - D58-29 (E)
      G12-14 (CLG4) - D58-29 (E)
      Tool Setting 5 V/DIV., 500 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [11/2021 - ] 

    6. Using an oscilloscope, check waveform 2.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1009615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection D58-16 (CLG1) - D58-29 (E)
      D58-10 (CLG2) - D58-29 (E)
      G12-27 (CLG3) - D58-29 (E)
      G12-14 (CLG4) - D58-29 (E)
      Tool Setting 5 V/DIV., 500 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [11/2021 - ] 

    7. Using an oscilloscope, check waveform 3.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1010165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock sensor not touched
      *b Lock sensor touched
      WAVEFORM 3 (REFERENCE)

      Item Content
      Tester Connection D58-16 (CLG1) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Driver door lock sensor not touched → touched
      Item Content
      Tester Connection D58-10 (CLG2) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Front passenger door lock sensor not touched → touched
      Item Content
      Tester Connection G12-27 (CLG3) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Rear door (for driver side) lock sensor not touched → touched
      Item Content
      Tester Connection G12-14 (CLG4) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      5. Rear door (for front passenger side) lock sensor not touched → touched
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [11/2021 - ] 

    8. Using an oscilloscope, check waveform 4.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1009086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Unlock sensor not touched
      *b Unlock sensor touched
      WAVEFORM 4 (REFERENCE)

      Item Content
      Tester Connection D58-16 (CLG1) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Driver door unlock sensor not touched → touched
      Item Content
      Tester Connection D58-10 (CLG2) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Front passenger door unlock sensor not touched → touched
      Item Content
      Tester Connection G12-27 (CLG3) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Rear door (for driver side) unlock sensor not touched → touched
      Item Content
      Tester Connection G12-14 (CLG4) - D58-29 (E)
      Tool Setting 5 V/DIV., 100 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Rear door (for front passenger side) unlock sensor not touched → touched
    9. Using an oscilloscope, check waveform 5.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1010037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 5 (REFERENCE)

      Item Content
      Tester Connection D58-15 (CG1B) - D58-29 (E)
      D58-9 (CG2B) - D58-29 (E)
      G12-26 (CG3B) - D58-29 (E)
      G12-13 (CG4B) - D58-29 (E)
      Tool Setting 5 V/DIV., 500 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought inside detection area*)
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [11/2021 - ] 

    10. Using an oscilloscope, check waveform 6.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1009520Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection D58-15 (CG1B) - D58-29 (E)
      D58-9 (CG2B) - D58-29 (E)
      G12-26 (CG3B) - D58-29 (E)
      G12-13 (CG4B) - D58-29 (E)
      Tool Setting 5 V/DIV., 500 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation (electrical key transmitter sub-assembly brought outside detection area*)
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [11/2021 - ] 

    11. Using an oscilloscope, check waveform 7.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1009967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 7 (REFERENCE)

      Item Content
      Tester Connection G12-4 (CLG8) - D58-29 (E)
      Tool Setting 5 V/DIV., 50 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Back door opener switch assembly off → on
    12. Using an oscilloscope, check waveform 8.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1009226Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 8 (REFERENCE)

      Item Content
      Tester Connection G12-3 (CG8B) - D58-29 (E)
      Tool Setting 5 V/DIV., 50 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Back door opener switch assembly off → on
    13. Using an oscilloscope, check waveform 9.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY1006310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Checking for switch on signal at short intervals
      *b Before back door opener switch assembly pressed
      *c After back door opener switch assembly pressed
      WAVEFORM 9 (REFERENCE)

      Item Content
      Tester Connection G12-16 (TSW5) - D58-29 (E)
      Tool Setting 2 V/DIV., 500 ms./DIV.
      Condition Back door opener switch assembly (open switch) off → on
      Item Content
      Tester Connection G12-17 (TSW6) - D58-29 (E)
      Tool Setting 2 V/DIV., 500 ms./DIV.
      Condition Back door opener switch assembly (lock switch) off → on
    14. Using an oscilloscope, check waveform 10.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY376258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
      *b After lock or unlock switch of electrical key transmitter sub-assembly pressed
      WAVEFORM 10 (REFERENCE)

      Item Content
      Tester Connection G12-21 (RCO) - D58-29 (E)
      Tool Setting 2 V/DIV., 500 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      3. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
    15. Using an oscilloscope, check waveform 11.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      GTY367752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
      *b After lock or unlock switch of electrical key transmitter sub-assembly pressed
      WAVEFORM 11 (REFERENCE)

      Item Content
      Tester Connection G12-11 (RDAM) - D58-29 (E)
      Tool Setting 5 V/DIV., 500 ms./DIV.
      Condition Procedure:
      1. Ignition switch off
      2. All doors locked
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      5. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
  2. CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    GTY1227314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.

      Refer to REMOVAL [11/2021 - ]

    2. Measure the voltage and resistance according to the value(s) in the table below.
      Tester Connection Terminal Description Condition Specified Condition
      MB-13 (GND1) - Body ground Ground Always Below 1 Ω
      MB-26 (BECU) - Body ground Auxiliary battery power supply (for CPU) Ignition switch off 11 to 14 V
  3. SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) 

    Refer to TERMINALS OF ECU [11/2021 - ] 

  4. E-LATCH SYSTEM 

    Refer to TERMINALS OF ECU [11/2021 - ]

  5. WIRELESS DOOR LOCK CONTROL SYSTEM 

    Refer to SYSTEM DIAGRAM [11/2021 - ]

  6. POWER BACK DOOR SYSTEM (w/ Power Back Door System) 

    Refer to TERMINALS OF ECU [11/2021 - ]

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