ENTRY AND START SYSTEM(for Entry Function) TERMINALS OF ECU


  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    B005NX4C13
    *A for LHD *B for RHD

    1. Disconnect the J41 certification ECU (smart key ECU assembly) connector.

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

      Tech Tips

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

      Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      J41-18 (E) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      J41-4 (+B) - J41-18 (E) Input V - W-B Power supply Engine switch off 11 to 14 V -
      J41-15 (CUTB) - J41-18 (E) Input P - W-B Dark current cut pin* Always 11 to 14 V -

      • *: In order to prevent the vehicle 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 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 J41 certification ECU (smart key ECU assembly) connector.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      J41-17 (IG1D) - J41-18 (E) Output G - W-B IG power supply Engine switch off → on (IG) Below 1 V → 10 V or higher -

      R1-17 (CLG1) - J41-18 (E)*1

      S5-17 (CLG1) - J41-18 (E)*2

      		 Output

      P - W-B*1

      B - W-B*2

      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. Engine 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*3)

      Pulse generation

      (See waveform 1)

      		 Overhead + Driver Side (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 2)

      R1-17 (CLG1) - J41-18 (E)*1

      S5-17 (CLG1) - J41-18 (E)*2

      		 Input

      P - W-B*1

      B - W-B*2

      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. Engine 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*3)

      5. Driver door lock sensor touched

      Pulse generation

      (See waveform 3)

      		 D-Door Trigger Switch

      R1-17 (CLG1) - J41-18 (E)*1

      S5-17 (CLG1) - J41-18 (E)*2

      		 Input

      P - W-B*1

      B - W-B*2

      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. Engine 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)

      		 D-Door Touch Sensor

      R1-16 (CG1B) - J41-18 (E)*1

      S5-16 (CG1B) - J41-18 (E)*2

      		 Output

      V - W-B*1

      R - W-B*2

      		 Output to driver door electrical key antenna (terminal on opposite side of component from CLG1 output terminal)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 5)

      		 Overhead + Driver Side (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 6)

      R1-15 (CLG2) - J41-18 (E)*1

      S5-15 (CLG2) - J41-18 (E)*2

      		 Output W - W-B

      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. Engine 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*3)

      Pulse generation

      (See waveform 1)

      		 Overhead + Passenger Side (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 2)

      R1-15 (CLG2) - J41-18 (E)*1

      S5-15 (CLG2) - J41-18 (E)*2

      		 Input W - W-B

      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. Engine 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*3)

      5. Front passenger door lock sensor touched

      Pulse generation

      (See waveform 3)

      		 P-Door Trigger Switch

      R1-15 (CLG2) - J41-18 (E)*1

      S5-15 (CLG2) - J41-18 (E)*2

      		 Input W - W-B

      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. Engine 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)

      		 P-Door Touch Sensor

      R1-14 (CG2B) - J41-18 (E)*1

      S5-14 (CG2B) - J41-18 (E)*2

      		 Output R - W-B Output to front passenger door electrical key antenna (terminal on opposite side of component from CLG2 output terminal)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 5)

      		 Overhead + Passenger Side (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 6)

      R1-1 (CLG3) - J41-18 (E)*1

      S5-1 (CLG3) - J41-18 (E)*2

      		 Output R - W-B

      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. Engine 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*3)

      Pulse generation

      (See waveform 1)

      		 Overhead + Driver Side Rear (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 2)

      R1-1 (CLG3) - J41-18 (E)*1

      S5-1 (CLG3) - J41-18 (E)*2

      		 Input R - W-B

      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. Engine 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*3)

      5. Rear door (for driver side) lock sensor touched

      Pulse generation

      (See waveform 3)

      		 Dr-Door Trigger Switch

      R1-1 (CLG3) - J41-18 (E)*1

      S5-1 (CLG3) - J41-18 (E)*2

      		 Input R - W-B

      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. Engine 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)

      		 Dr-Door Touch Sensor

      R1-2 (CG3B) - J41-18 (E)*1

      S5-2 (CG3B) - J41-18 (E)*2

      		 Output B - W-B Output to rear door (for driver side) electrical key antenna (terminal on opposite side of component from CLG3 output terminal)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 5)

      		 Overhead + Driver Side Rear (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 6)

      R1-9 (CLG4) - J41-18 (E)*1

      S5-9 (CLG4) - J41-18 (E)*2

      		 Output L - W-B

      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. Engine 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*3)

      Pulse generation

      (See waveform 1)

      		 Overhead + Passenger Side Rear (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 2)

      R1-9 (CLG4) - J41-18 (E)*1

      S5-9 (CLG4) - J41-18 (E)*2

      		 Input L - W-B

      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. Engine 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*3)

      5. Rear door (for front passenger side) lock sensor touched

      Pulse generation

      (See waveform 3)

      		 Pr-Door Trigger Switch

      R1-9 (CLG4) - J41-18 (E)*1

      S5-9 (CLG4) - J41-18 (E)*2

      		 Input L - W-B

      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. Engine 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)

      		 Pr-Door Touch Sensor

      R1-8 (CG4B) - J41-18 (E)*1

      S5-8 (CG4B) - J41-18 (E)*2

      		 Output Y - W-B Output to rear door (for front passenger side) electrical key antenna (terminal on opposite side of component from CLG4 output terminal)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 5)

      		 Overhead + Passenger Side Rear (key diagnostic mode)

      Procedure:


      1. Engine 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*3)

      Pulse generation

      (See waveform 6)
      J41-8 (CLG5) - J41-18 (E) Output B - W-B Output to No. 1 indoor electrical key antenna assembly (front floor)

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Within 30 seconds of closing any door

      Pulse generation

      (See waveform 7)

      		 Overhead + Front Room (key diagnostic mode)
      J41-9 (CG5B) - J41-18 (E) Output Y - W-B Output to No. 1 indoor electrical key antenna assembly (front floor) (terminal on opposite side of component from CLG5 output terminal)

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Within 30 seconds of closing any door

      Pulse generation

      (See waveform 7)

      		 Overhead + Front Room (key diagnostic mode)

      R1-5 (CLG6) - J41-18 (E)*1

      S5-5 (CLG6) - J41-18 (E)*2

      		 Output P - W-B Output to No. 2 indoor electrical key antenna assembly (rear floor)

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Within 30 seconds of closing any door

      Pulse generation

      (See waveform 7)

      		 Overhead + Rear Room (key diagnostic mode)

      R1-6 (CG6B) - J41-18 (E)*1

      S5-6 (CG6B) - J41-18 (E)*2

      		 Output

      L - W-B*1

      R - W-B*2

      		 Output to No. 2 indoor electrical key antenna assembly (rear floor) (terminal on opposite side of component from CLG6 output terminal)

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Within 30 seconds of closing any door

      Pulse generation

      (See waveform 7)

      		 Overhead + Rear Room (key diagnostic mode)

      R1-11 (CLG7) - J41-18 (E)*1

      S5-11 (CLG7) - J41-18 (E)*2

      		 Output V - W-B Output to No. 3 indoor electrical key antenna assembly (inside luggage compartment)

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Within 30 seconds of closing any door

      Pulse generation

      (See waveform 7)

      		 Overhead + Back Door (inside) (key diagnostic mode)

      R1-10 (CG7B) - J41-18 (E)*1

      S5-10 (CG7B) - J41-18 (E)*2

      		 Output

      W - W-B*1

      P - W-B*2

      		 Output to No. 3 indoor electrical key antenna assembly (inside luggage compartment) (terminal on opposite side of component from CLG7 output terminal)

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Within 30 seconds of closing any door

      Pulse generation

      (See waveform 7)

      		 Overhead + Back Door (inside) (key diagnostic mode)

      R1-13 (CLG8) - J41-18 (E)*1

      S5-13 (CLG8) - J41-18 (E)*2

      		 Output

      G - W-B*1

      W - W-B*2

      		 Output to electrical key antenna (outside luggage compartment)

      Procedure:


      1. Engine 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)

      		 Overhead + Back Door (key diagnostic mode)

      R1-12 (CG8B) - J41-18 (E)*1

      S5-12 (CG8B) - J41-18 (E)*2

      		 Output P - W-B Output to electrical key antenna (outside luggage compartment) (terminal on opposite side of component from CLG8 output terminal)

      Procedure:


      1. Engine 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)

      		 Overhead + Back Door (key diagnostic mode)

      R1-26 (TSW5) - J41-18 (E)*1

      S5-26 (TSW5) - J41-18 (E)*2

      		 Input G - W-B Back door opener switch assembly (open switch) signal input Back door opener switch assembly (open switch) off → on

      Pulse generation

      (See waveform 9)

      		 Tr/B-Door Unlock SW

      R1-27 (TSW6) - J41-18 (E)*1

      S5-27 (TSW6) - J41-18 (E)*2

      		 Input L - W-B Back door opener switch assembly (lock switch) signal input Back door opener switch assembly (lock switch) off → on

      Pulse generation

      (See waveform 9)

      		 Tr/B-Door Lock SW

      R1-18 (RCO) - J41-18 (E)*1

      S5-18 (RCO) - J41-18 (E)*2

      		 Output

      LG - W-B*1

      V - W-B*2

      Output to door control receiver

      (Power supply for door control receiver. Certification ECU (smart key ECU assembly) outputs 5 V when receiver starts operating.)

      Procedure:


      1. Engine 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)

      		 -

      R1-19 (RDAM) - J41-18 (E)*1

      S5-19 (RDAM) - J41-18 (E)*2

      		 Input W - W-B

      Door control receiver verifies data received from electrical key transmitter sub-assembly.

      Door control receiver sends data from electrical key transmitter sub-assembly to certification ECU (smart key ECU assembly) (Door control receiver intermittently grounds 12 V signal from certification ECU (smart key ECU assembly)).

      Proceed:


      1. Engine 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)

      		 -

      R1-20 (CSEL) - J41-18 (E)*1

      S5-20 (CSEL) - J41-18 (E)*2

      		 Output SB - W-B Communication channel switching circuit

      Procedure:


      1. Engine switch off

      2. All doors closed

      		 Below 1 V → pulse generation -

      R1-7 (WCSW) - J41-18 (E)*1, *4

      S5-7 (WCSW) - J41-18 (E)*2, *4

      		 Output V - W-B Wireless charger system stop signal

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly inside vehicle

      3. Engine switch off → on (ACC)

      Below 1 V → 4.5 to 6 V

      (For 1 second after engine switch on (ACC))

      		 -

      • *1: for LHD

      • *2: for RHD

      • *3: For details about the entry function detection area, refer to Operation Check.

        Click here

      • *4: w/ Wireless Charging System

    5. B005OCHN01

      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.

      Waveform 1 (Reference)
      Item Content
      Tester Connection

      R1-17 (CLG1) - J41-18 (E)*1

      R1-15 (CLG2) - J41-18 (E)*1

      R1-1 (CLG3) - J41-18 (E)*1

      R1-9 (CLG4) - J41-18 (E)*1

      S5-17 (CLG1) - J41-18 (E)*2

      S5-15 (CLG2) - J41-18 (E)*2

      S5-1 (CLG3) - J41-18 (E)*2

      S5-9 (CLG4) - J41-18 (E)*2
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Engine 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*3)

      • *1: for LHD

      • *2: for RHD

      • *3: For details about the entry function detection area, refer to Operation Check.

        Click here

    6. B005LYBN01

      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.

      Waveform 2 (Reference)
      Item Content
      Tester Connection

      R1-17 (CLG1) - J41-18 (E)*1

      R1-15 (CLG2) - J41-18 (E)*1

      R1-1 (CLG3) - J41-18 (E)*1

      R1-9 (CLG4) - J41-18 (E)*1

      S5-17 (CLG1) - J41-18 (E)*2

      S5-15 (CLG2) - J41-18 (E)*2

      S5-1 (CLG3) - J41-18 (E)*2

      S5-9 (CLG4) - J41-18 (E)*2
      Tool Setting 5 V/DIV., 100 ms/DIV.
      Condition

      Procedure:


      1. Engine 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*3)

      • *1: for LHD

      • *2: for RHD

      • *3: For details about the entry function detection area, refer to Operation Check.

        Click here

    7. B005N0PC02
      *a Lock sensor not touched
      *b Lock sensor touched

      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.

      Waveform 3 (Reference)
      Item Content
      Tester Connection

      R1-17 (CLG1) - J41-18 (E)*1

      R1-15 (CLG2) - J41-18 (E)*1

      R1-1 (CLG3) - J41-18 (E)*1

      R1-9 (CLG4) - J41-18 (E)*1

      S5-17 (CLG1) - J41-18 (E)*2

      S5-15 (CLG2) - J41-18 (E)*2

      S5-1 (CLG3) - J41-18 (E)*2

      S5-9 (CLG4) - J41-18 (E)*2
      Tool Setting 5 V/DIV., 40 ms/DIV.
      Condition

      Procedure:


      1. Engine 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*3)

      5. Lock sensor not touched → touched

      • *1: for LHD

      • *2: for RHD

      • *3: For details about the entry function detection area, refer to Operation Check.

        Click here

    8. B005MNTC02
      *a Unlock sensor not touched
      *b Unlock sensor touched

      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.

      Waveform 4 (Reference)
      Item Content
      Tester Connection

      R1-17 (CLG1) - J41-18 (E)*1

      R1-15 (CLG2) - J41-18 (E)*1

      R1-1 (CLG3) - J41-18 (E)*1

      R1-9 (CLG4) - J41-18 (E)*1

      S5-17 (CLG1) - J41-18 (E)*2

      S5-15 (CLG2) - J41-18 (E)*2

      S5-1 (CLG3) - J41-18 (E)*2

      S5-9 (CLG4) - J41-18 (E)*2
      Tool Setting 5 V/DIV., 50 ms/DIV.
      Condition

      Procedure:


      1. Engine 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. Unlock sensor not touched → touched

      • *1: for LHD

      • *2: for RHD

    9. B005Q7XN01

      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.

      Waveform 5 (Reference)
      Item Content
      Tester Connection

      R1-16 (CG1B) - J41-18 (E)*1

      R1-14 (CG2B) - J41-18 (E)*1

      R1-2 (CG3B) - J41-18 (E)*1

      R1-8 (CG4B) - J41-18 (E)*1

      S5-16 (CG1B) - J41-18 (E)*2

      S5-14 (CG2B) - J41-18 (E)*2

      S5-2 (CG3B) - J41-18 (E)*2

      S5-8 (CG4B) - J41-18 (E)*2
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Engine 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*3)

      • *1: for LHD

      • *2: for RHD

      • *3: For details about the entry function detection area, refer to Operation Check.

        Click here

    10. B005O91N01

      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.

      Waveform 6 (Reference)
      Item Content
      Tester Connection

      R1-16 (CG1B) - J41-18 (E)*1

      R1-14 (CG2B) - J41-18 (E)*1

      R1-2 (CG3B) - J41-18 (E)*1

      R1-8 (CG4B) - J41-18 (E)*1

      S5-16 (CG1B) - J41-18 (E)*2

      S5-14 (CG2B) - J41-18 (E)*2

      S5-2 (CG3B) - J41-18 (E)*2

      S5-8 (CG4B) - J41-18 (E)*2
      Tool Setting 5 V/DIV., 100 ms/DIV.
      Condition

      Procedure:


      1. Engine 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*3)

      • *1: for LHD

      • *2: for RHD

      • *3: For details about the entry function detection area, refer to Operation Check.

        Click here

    11. B005N2LC02
      *a For 30 seconds after any door closed
      *b After 30 seconds or more have elapsed since any door closed

      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.

      Waveform 7 (Reference)
      Item Content
      Tester Connection

      J41-8 (CLG5) - J41-18 (E)*1

      J41-9 (CG5B) - J41-18 (E)*1

      R1-5 (CLG6) - J41-18 (E)*1

      R1-6 (CG6B) - J41-18 (E)*1

      R1-11 (CLG7) - J41-18 (E)*1

      R1-10 (CG7B) - J41-18 (E)*1

      J41-8 (CLG5) - J41-18 (E)*2

      J41-9 (CG5B) - J41-18 (E)*2

      S5-5 (CLG6) - J41-18 (E)*2

      S5-6 (CG6B) - J41-18 (E)*2

      S5-11 (CLG7) - J41-18 (E)*2

      S5-10 (CG7B) - J41-18 (E)*2
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Within 30 seconds of closing any door

      • *1: for LHD

      • *2: for RHD

    12. B005N4SN01

      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.

      Waveform 8 (Reference)
      Item Content
      Tester Connection

      R1-13 (CLG8) - J41-18 (E)*1

      R1-12 (CG8B) - J41-18 (E)*1

      S5-13 (CLG8) - J41-18 (E)*2

      S5-12 (CG8B) - J41-18 (E)*2
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Engine switch off

      2. Electrical key transmitter sub-assembly brought outside vehicle

      3. All doors closed

      4. Back door opener switch assembly off → on

      • *1: for LHD

      • *2: for RHD

    13. B005O8TC09
      *a Checking for switch on signal at short intervals

      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.

      Waveform 9 (Reference)
      Item Content
      Tester Connection R1-26 (TSW5) - J41-18 (E)*1
      S5-26 (TSW5) - J41-18 (E)*2
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Back door opener switch assembly (open switch) off → on
      Waveform 9 (Reference)
      Item Content
      Tester Connection R1-27 (TSW6) - J41-18 (E)*1
      S5-27 (TSW6) - J41-18 (E)*2
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Back door opener switch assembly (lock switch) off → on

      • *1: for LHD

      • *2: for RHD

    14. B005Q25C12
      *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

      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.

      Waveform 10 (Reference)
      Item Content
      Tester Connection R1-18 (RCO) - J41-18 (E)*1
      S5-18 (RCO) - J41-18 (E)*2
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Engine 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

      • *1: for LHD

      • *2: for RHD

    15. B005NPKC12
      *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

      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.

      Waveform 11 (Reference)
      Item Content
      Tester Connection R1-19 (RDAM) - J41-18 (E)*1
      S5-19 (RDAM) - J41-18 (E)*2
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Engine 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

      • *1: for LHD

      • *2: for RHD

  2. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Click here

    2. Reconnect the instrument panel junction block assembly connectors.

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

      Tech Tips

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

      Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      MB-11 (GND1) - Body ground - - Ground Always Below 1 Ω -
      MB-31 (BECU) - Body ground Input - Battery power supply (for CPU) Always 11 to 14 V -
      J8-6 (FLCY) - Body ground Input P - Body ground Front door courtesy light switch assembly (for LH) input Front door LH closed 10 kΩ or higher FL Door Courtesy SW
      Front door LH open Below 1 Ω
      J8-27 (FRCY) - Body ground Input R - Body ground Front door courtesy light switch assembly (for RH) input Front door RH closed 10 kΩ or higher FR Door Courtesy SW
      Front door RH open Below 1 Ω
      MB-13 (LCTY) - Body ground Input - Rear door courtesy light switch assembly (for LH) input Rear door LH closed 10 kΩ or higher RL Door Courtesy SW
      Rear door LH open Below 1 Ω
      MB-2 (RCTY) - Body ground Input - Rear door courtesy light switch assembly (for RH) input Rear door RH closed 10 kΩ or higher RR Door Courtesy SW
      Rear door RH open Below 1 Ω
      MB-4 (BCTY) - Body ground* Input - Back door courtesy light switch input Back door closed 10 kΩ or higher Back Door Courtesy SW
      Back door open Below 1 Ω

      • *: w/o Power Back Door System

    4. Install the main body ECU (multiplex network body ECU) to instrument panel junction block assembly.

      Click here

    5. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      2B-13 (LSFL) - Body ground Input B - Body ground Front door LH unlock detection switch input Front door LH locked → unlocked

      Pulse generation

      (See waveform 1)

      		 FL Door Lock Pos
      2B-12 (LSFR) - Body ground Input P - Body ground Front door RH unlock detection switch input Front door RH locked → unlocked

      Pulse generation

      (See waveform 1)

      		 FR Door Lock Pos
      2B-14 (LSWL) - Body ground Input V - Body ground Rear door LH unlock detection switch input Rear door LH locked → unlocked

      Pulse generation

      (See waveform 1)

      		 RL-Door Lock Pos SW
      J9-2 (LSWR) - Body ground Input L - Body ground Rear door RH unlock detection switch input Rear door RH locked → unlocked

      Pulse generation

      (See waveform 1)

      		 RR-Door Lock Pos SW
      J8-6 (FLCY) - Body ground Input P - Body ground Front door LH courtesy light switch input Front door LH closed → open

      Pulse generation

      (See waveform 2)

      		 FL Door Courtesy SW
      J8-27 (FRCY) - Body ground Input R - Body ground Front door RH courtesy light switch input Front door RH closed → open

      Pulse generation

      (See waveform 2)

      		 FR Door Courtesy SW
      2D-24 (LCTY) - Body ground Input W - Body ground Rear door LH courtesy light switch input Rear door LH closed → open

      Pulse generation

      (See waveform 2)

      		 RL Door Courtesy SW
      2A-31 (RCTY) - Body ground Input R - Body ground Rear door RH courtesy light switch input Rear door RH closed → open

      Pulse generation

      (See waveform 2)

      		 RR Door Courtesy SW
      2D-34 (BCTY) - Body ground* Input Y - Body ground Back door courtesy light switch input Back door closed → opened

      Pulse generation

      (See waveform 2)

      		 Back Door Courtesy SW
      2C-29 (BZR) - Body ground Output P - Body ground Wireless buzzer signal output

      Procedure:


      1. Engine switch off

      2. All doors closed

      3. Lock switch of electrical key transmitter sub-assembly not pressed → pressed

      		 Below 1 V → pulse generation -

      • *: w/o Power Back Door System

    6. B005MH9C02
      *a Door locked
      *b Door unlocked

      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.

      Waveform 1 (Reference)
      Item Content
      Tester Connection

      2B-13 (LSFL) - Body ground

      2B-12 (LSFR) - Body ground

      2B-14 (LSWL) - Body ground

      J9-2 (LSWR) - Body ground
      Tool Setting 2 V/DIV., 200 ms/DIV.
      Condition Door locked → unlocked
    7. B005MH9C03
      *a Door closed
      *b Door open

      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.

      Waveform 2 (Reference)
      Item Content
      Tester Connection

      J8-6 (FLCY) - Body ground

      J8-27 (FRCY) - Body ground

      2D-24 (LCTY) - Body ground

      2A-31 (RCTY) - Body ground

      2D-34 (BCTY) - Body ground*
      Tool Setting 2 V/DIV., 200 ms/DIV.
      Condition Door closed → opened

      • *: w/o Power Back Door System