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Home >> Lexus >> 2017 >> ES 350 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System (For Entry Function) (Diagnostics - Introduction) >> Smart Access System With Push-Button Start (For Entry Function) >> Terminals Of Ecu (07/2015 -) >> Terminals Of Ecu (07/2015 -)

Terminals Of Ecu (07/2015 -)

  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    Fig 1: Smart Access Terminals Of ECU
    GTY649360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the A36 and H56 certification ECU (smart key ECU assembly) connectors.
    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.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      A36-11 (E) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A36-2 (+B) - A36-11 (E) Input W - W-B +B power supply Always 11 to 14 V -
      H56-5 (IG) - Body ground Output LG - Body ground IG2 signal 20°C (68°F) Approximately 302.97 Ω IG2 Relay Monitor(Outside)
      A36-10 (CUTB) - A36-11 (E) Input L - W-B Stand-by power* 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 set 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 that form the detection area stops).

      If the result is not as specified, there may be a malfunction on the wire harness side or the fuse is removed.

    3. Reconnect the A36 and H56 certification ECU (smart key ECU assembly) connectors.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      H56-5 (IG) - A36-11 (E) Input LG - W-B IG power supply Engine switch off → on (IG) Below 1 V → 11 to 14 V Engine Switch
      H56-12 (CLG1) - A36-11 (E) Output Y - W-B 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. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought inside detection area*1
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 1) Over Head + Driver Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought outside detection area*2
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Driver Side (key diagnostic mode)
      H56-13 (CG1B) - A36-11 (E) Output LG - W-B Output to driver door electrical key antenna (terminal on opposite side of component from CLG1 output terminal) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Driver Side (key diagnostic mode)
      H56-11 (CLG2) - A36-11 (E) Output Y - 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. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought inside detection area*1
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 1) Over Head + Passenger Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought outside detection area*2
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Passenger Side (key diagnostic mode)
      H56-10 (CG2B) - A36-11 (E) Output L - 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. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Passenger Side (key diagnostic mode)
      Q1-12 (CLG3) - A36-11 (E) Output L - W-B Output to rear door LH 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. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought inside detection area*1
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 1) Over Head + Rear LH Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought outside detection area*2
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Rear LH Side (key diagnostic mode)
      Q1-13 (CG3B) - A36-11 (E) Output Y - W-B Output to rear door LH electrical key antenna (terminal on opposite side of component from CLG3 output terminal) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Rear LH Side (key diagnostic mode)
      Q1-3 (CLG4) - A36-11 (E) Output L - W-B Output to rear door RH 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. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought inside detection area*1
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 1) Over Head + Rear RH Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought outside detection area*2
      6. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Rear RH Side (key diagnostic mode)
      Q1-4 (CG4B) - A36-11 (E) Output Y - W-B Output to rear door RH electrical key antenna (terminal on opposite side of component from CLG4 output terminal) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Electrical key transmitter sub-assembly not inside vehicle
      5. All doors locked through wireless operation
      		 Pulse generation (See waveform 2) Over Head + Rear RH Side (key diagnostic mode)
      H56-3 (CLG5) - A36-11 (E) Output R - 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. Door is open
      4. Door is closed
      5. Within 30 seconds
      		 Pulse generation (See waveform 3) Over Head + Front Room (key diagnostic mode)
      H56-2 (CG5B) - A36-11 (E) Output W - 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. Door is open
      4. Door is closed
      5. Within 30 seconds
      		 Pulse generation (See waveform 3) Over Head + Front Room (key diagnostic mode)
      H56-20 (TSW1) - A36-11 (E) Input G - W-B Driver door lock sensor signal input
      (Sends signal from door lock sensor on front door outside handle assembly LH to certification ECU (smart key ECU assembly). Certification ECU (smart key ECU assembly) sends 12 V pulse waveform every 40 ms. from terminal TSW. When door lock sensor is touched, the pulse is grounded.      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Driver door lock sensor not touched → touched
      		 Pulse generation (See waveform 6) D-Door Trigger Switch
      H56-8 (TSW2) - A36-11 (E) Input LG - W-B Front passenger door lock sensor signal input
      (Sends signal from door lock sensor on front door outside handle assembly to certification ECU (smart key ECU assembly). Certification ECU (smart key ECU assembly) sends 12 V pulse waveform every 40 ms. from terminal TSW. When door lock sensor is touched, the pulse is grounded.      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Front passenger door lock sensor not touched → touched
      		 Pulse generation (See waveform 6) P-Door Trigger Switch
      Q1-14 (TSW3) - A36-11 (E) Input B - W-B Rear door LH lock sensor signal input
      (Sends signal from door lock sensor on rear door outside handle assembly to certification ECU (smart key ECU assembly). Certification ECU (smart key ECU assembly) sends 12 V pulse waveform every 40 ms. from terminal TSW. When door lock sensor is touched, the pulse is grounded.      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Rear door LH lock sensor not touched → touched
      		 Pulse generation (See waveform 6) Dr-Door Trigger Switch
      Q1-16 (TSW4) - A36-11 (E) Input P - W-B Rear door RH lock sensor signal input
      (Sends signal from door lock sensor on rear door outside handle assembly to certification ECU (smart key ECU assembly). Certification ECU (smart key ECU assembly) sends 12 V pulse waveform every 40 ms. from terminal TSW. When door lock sensor is touched, the pulse is grounded.      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Rear door RH lock sensor not touched → touched
      		 Pulse generation (See waveform 6) Pr-Door Trigger Switch
      H56-22 (SEN1) - A36-11 (E) Input P - W-B Driver door unlock sensor signal input
      (when system is in unlock standby mode and touch sensor is touched, door electrical key antenna sends touch 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 sufficiently close to vehicle
      5. Driver door unlock sensor not touched → touched
      		 Pulse generation (See waveform 6) D-Door Touch Sensor
      H56-23 (SEN2) - A36-11 (E) Input GR - W-B Front passenger door unlock sensor signal input
      (when system is in unlock standby mode and touch sensor is touched, door electrical key antenna sends touch 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 sufficiently close to vehicle
      5. Front passenger door unlock sensor not touched → touched
      		 Pulse generation (See waveform 6) P-Door Touch Sensor
      Q1-25 (SEN3) - A36-11 (E) Input R - W-B Rear door LH unlock sensor signal input
      (when system is in unlock standby mode and touch sensor is touched, door electrical key antenna sends touch 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 sufficiently close to vehicle
      5. Rear door LH unlock sensor not touched → touched
      		 Pulse generation (See waveform 6) Dr-Door Touch Sensor
      Q1-26 (SEN4) - A36-11 (E) Input V - W-B Rear door RH unlock sensor signal input
      (when system is in unlock standby mode and touch sensor is touched, door electrical key antenna sends touch 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 sufficiently close to vehicle
      5. Rear door RH unlock sensor not touched → touched
      		 Pulse generation (See waveform 6) Pr-Door Touch Sensor
      Q1-27 (TSW5) - A36-11 (E) Input LG- W-B Luggage door opening switch assembly signal input Luggage door opening switch assembly off → on Pulse generation (See waveform 6) Tr/B-Door Unlock SW
      Q1-11 (CLG6) - A36-11 (E) Output W - W-B Output to NO. 1 indoor electrical key antenna assembly (rear floor) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. Door is open
      4. Door is closed
      5. Within 30 seconds
      		 Pulse generation (See waveform 3) Over Head + Rear Room (key diagnostic mode)
      Q1-10 (CG6B) - A36-11 (E) Output B - W-B Output to NO. 1 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. Door is open
      4. Door is closed
      5. Within 30 seconds
      		 Pulse generation (See waveform 3) Over Head + Rear Room (key diagnostic mode)
      Q1-9 (CLG7) - A36-11 (E) Output R - W-B Output to NO. 1 indoor electrical key antenna assembly (inside luggage compartment) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. All doors closed
      4. Driver door lock sensor not touched → touched
      		 Pulse generation (See waveform 4) Over Head + Luggage (inside) (key diagnostic mode)
      Q1-8 (CG7B) - A36-11 (E) Output W - W-B Output to NO. 1 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. All doors closed
      4. Driver door lock sensor not touched → touched
      		 Pulse generation (See waveform 4) Over Head + Luggage (inside) (key diagnostic mode)
      H56-19 (POS1) - A36-11 (E) Output V - W-B Driver door unlock sensor power source (12 V (drops when engine switch turned on (IG))) Engine switch off → on (IG) 9 to 14 V → Below 2 V -
      H56-21 (POS2) - A36-11 (E) Output B - W-B Front passenger door unlock sensor power source (12 V (drops when engine switch turned on (IG))) Engine switch off → on (IG) 9 to 14 V → Below 2 V -
      Q1-20 (POS3) - A36-11 (E) Output G - W-B Rear door LH unlock sensor power source (12 V (drops when engine switch turned on (IG))) Engine switch off → on (IG) 9 to 14 V → Below 2 V -
      Q1-22 (POS4) - A36-11 (E) Output P - W-B Rear door RH unlock sensor power source (12 V (drops when engine switch turned on (IG))) Engine switch off → on (IG) 9 to 14 V → Below 2 V -
      Q1-5 (RCO) - A36-11 (E) Output G - W-B 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 vehicle
      3. Electrical key transmitter sub-assembly brought outside detection area*2 but kept inside wireless function operational area*3
      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation (See waveform 7) -
      Q1-17 (RDAM) - A36-11 (E) Input Y - W-B Door control receiver verifies data received from electrical key transmitter sub-assembly. Door control receiver sends data to ECU and intermittently grounds 12 V signal from certification ECU (smart key ECU assembly). Procedure:
      1. Engine switch off
      2. All doors locked
      3. Electrical key transmitter sub-assembly brought outside detection area*2 but kept inside wireless function operational area*3
      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation (See waveform 8) -
      Q1-6 (CSEL) - A36-11 (E) Output R - W-B Communication channel switching circuit Procedure:
      1. Engine switch off
      2. All doors closed
      		 Below 1 V → 4.5 to 6 V → Below 1 V Key diagnostic mode
      Q1-2 (CLG8) - A36-11 (E) Output V - W-B Output to electrical key antenna (outside luggage) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Luggage door opening switch assembly off → on
      		 Pulse generation (See waveform 5) Over Head + Luggage
      or
      Luggage + Luggage (key diagnostic mode)
      Q1-1 (CG8B) - A36-11 (E) Output P - W-B Output to electrical key antenna (outside luggage) (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. Luggage door opening switch assembly off → on
      		 Pulse generation (See waveform 5) Over Head + Luggage
      or
      Luggage + Luggage (key diagnostic mode)
      • *1: For details about the areas that are inside the entry function detection area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
      • *2: For details about the areas that are outside the entry function detection area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
      • *3: For details about the areas that are inside the wireless function operational area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
    5. Using an oscilloscope, check waveform 1.

      HINT: 

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

      Fig 2: Identifing Waveform 1
      GTY613389Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection
      • H56-12 (CLG1) - A36-11 (E)
      • H56-11 (CLG2) - A36-11 (E)
      • Q1-12 (CLG3) - A36-11 (E)
      • Q1-3 (CLG4) - A36-11 (E)
      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. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought inside detection area*
      6. All doors locked through wireless operation
      • *: For details about the areas that are inside the entry function detection area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
    6. Using an oscilloscope, check waveform 2.

      HINT: 

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

      Fig 3: Identifing Waveform 2
      GTY653520Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection
      • H56-12 (CLG1) - A36-11 (E)
      • H56-11 (CLG2) - A36-11 (E)
      • Q1-12 (CLG3) - A36-11 (E)
      • Q1-3 (CLG4) - A36-11 (E)
      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. Electrical key transmitter sub-assembly not inside vehicle
      5. Electrical key transmitter sub-assembly brought outside detection area*
      6. All doors locked through wireless operation
      • *: For details about the areas that are outside the entry function detection area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection
      • H56-13 (CG1B) - A36-11 (E)
      • H56-10 (CG2B) - A36-11 (E)
      • Q1-13 (CG3B) - A36-11 (E)
      • Q1-4 (CG4B) - A36-11 (E)
      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. Electrical key transmitter sub-assembly not inside vehicle
      5. All doors locked through wireless operation
    7. Using an oscilloscope, check waveform 3.

      HINT: 

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

      Fig 4: Identifing Waveform 3
      GTY618408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Door open
      *b After approximately 30 seconds from when the door is closed
      WAVEFORM 3 (REFERENCE)

      Item Content
      Tester Connection
      • H56-3 (CLG5) - A36-11 (E)
      • H56-2 (CG5B) - A36-11 (E)
      • Q1-11 (CLG6) - A36-11 (E)
      • Q1-10 (CG6B) - A36-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. Door is open
      4. Door is closed
      5. Within 30 seconds
    8. Using an oscilloscope, check waveform 4.

      HINT: 

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

      Fig 5: WaveIdentifing Waveform 4
      GTY631506Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Before driver door lock sensor touched
      *b After driver door lock sensor touched
      WAVEFORM 4 (REFERENCE)

      Item Content
      Tester Connection
      • Q1-9 (CLG7) - A36-11 (E)
      • Q1-8 (CG7B) - A36-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. All doors closed
      4. Driver door lock sensor not touched → touched
    9. Using an oscilloscope, check waveform 5.

      HINT: 

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

      Fig 6: Identifing Waveform 5
      GTY663978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Engine switch off, all doors closed and luggage door opening switch assembly off → on
      WAVEFORM 5 (REFERENCE)

      Item Content
      Tester Connection
      • Q1-2 (CLG8) - A36-11 (E)
      • Q1-1 (CG8B) - A36-11 (E)
      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. Luggage door opening switch assembly off → on
    10. Using an oscilloscope, check waveform 6.

      HINT: 

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

      Fig 7: Identifing Waveform 6
      GTY627023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a In actuality, sampling is being performed
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection H56-20 (TSW1) - A36-11 (E)
      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. Driver door lock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection H56-8 (TSW2) - A36-11 (E)
      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. Front passenger door lock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection Q1-14 (TSW3) - A36-11 (E)
      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. Rear door LH lock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection Q1-16 (TSW4) - A36-11 (E)
      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. Rear door RH lock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection H56-22 (SEN1) - A36-11 (E)
      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 locked
      4. Electrical key transmitter sub-assembly not sufficiently close to vehicle
      5. Driver door unlock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection H56-23 (SEN2) - A36-11 (E)
      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 locked
      4. Electrical key transmitter sub-assembly not sufficiently close to vehicle
      5. Front passenger door unlock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection Q1-25 (SEN3) - A36-11 (E)
      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 locked
      4. Electrical key transmitter sub-assembly not sufficiently close to vehicle
      5. Rear door LH unlock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection Q1-26 (SEN4) - A36-11 (E)
      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 locked
      4. Electrical key transmitter sub-assembly not sufficiently close to vehicle
      5. Rear door RH unlock sensor not touched → touched
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection Q1-27 (TSW5) - A36-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV
      Condition Luggage door opening switch assembly off → on
    11. Using an oscilloscope, check waveform 7.

      HINT: 

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

      Fig 8: Identifing Waveform 7
      GTY684403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *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 7 (REFERENCE)

      Item Content
      Tester Connection Q1-5 (RCO) - A36-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. Electrical key transmitter sub-assembly brought outside detection area*1 but kept inside wireless function operational area*2
      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      • *1: For details about the areas that are outside the entry function detection area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
      • *2: For details about the areas that are inside the wireless function operational area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
    12. Using an oscilloscope, check waveform 8.

      HINT: 

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

      Fig 9: Identifing Waveform 8
      GTY671467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *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 8 (REFERENCE)

      Item Content
      Tester Connection Q1-17 (RDAM) - A36-11 (E)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. All doors locked
      3. Electrical key transmitter sub-assembly brought outside detection area*1 but kept inside wireless function operational area*2
      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      • *1: For details about the areas that are outside the entry function detection area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
      • *2: For details about the areas that are inside the wireless function operational area, refer to Operation Check (See page. Refer to OPERATION CHECK (07/2015 -) ).
  2. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    Fig 10: Panel Junction Block Assembly And Main Body Ecu Connector End Views
    GTY631626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
    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.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      MB-11 (GND1) - Body ground - - Ground Always Below 1 Ω -
      H9-3 (GND2) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      3D-31 (BECU) - Body ground Input V - Body ground Battery power supply (for CPU) Always 11 to 14 V -
      MB-31 (ALTB) - Body ground Input - Battery power supply (for indicator) Always 11 to 14 V -
      MB-29 (ACC) - Body ground Input - ACC power supply Engine switch on (ACC) 11 to 14 V ACC SW
      MB-32 (IG) - Body ground Input - Engine switch power supply Engine switch on (IG) 11 to 14 V IG SW

      If the result is not as specified, there may be a malfunction in the wire harness.

    3. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.
    4. Measure the voltage according to the value(s) in the table below.
      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      3C-15 (FLCY) - Body ground Input L - Body ground Front door LH courtesy light switch input Front door LH open Below 1 V FL Door Courtesy SW
      Front door LH closed 11 to 14 V
      3B-14 (FRCY) - Body ground Input Y - Body ground Front door RH courtesy light switch input Front door RH open Below 1 V FR Door Courtesy SW
      Front door RH closed 11 to 14 V
      H11-3 (LCTY) - Body ground Input G - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V RL Door Courtesy SW
      Rear door LH closed 11 to 14 V
      H10-6 (RCTY) - Body ground Input B - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V RR Door Courtesy SW
      Rear door RH closed 11 to 14 V
      H10-9 (L1) - Body ground Input LG - Body ground Front passenger door control switch lock input Door control switch on Below 1 V -
      Door control switch off Pulse generation (See waveform 1 or 2)
      H10-10 (UL1) - Body ground Input G - Body ground Front passenger door control switch unlock input Door control switch on Below 1 V -
      Door control switch off Pulse generation (See waveform 1 or 2)
      H10-19 (LGCY) - Body ground Input GR - Body ground Luggage door courtesy light switch input Luggage compartment door open Below 1 V Luggage Courtesy SW
      Engine switch off, all doors closed and luggage compartment door closed Pulse generation (See waveform 1 or 2)
      H10-11 (L2) - Body ground Input R - Body ground Driver door key-linked lock input Driver door key cylinder in lock position Below 1 V -
      Engine switch off, all doors closed and driver door key cylinder in neutral position Pulse generation (See waveform 3 or 4)
      H10-24 (UL3) - Body ground Input GR - Body ground Driver door key-linked unlock input Driver door key cylinder in unlock position Below 1 V -
      Engine switch off, all doors closed and driver door key cylinder in neutral position Pulse generation (See waveform 1 or 2)
      3B-1 (ACT+) - Body ground Output L - Body ground Door lock motor lock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Lock side of driver door control switch pushed or driver door key cylinder in lock position 11 to 14 V
      3B-2 (ACT+) - Body ground Output L - Body ground Door lock motor lock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Lock side of driver door control switch pushed or driver door key cylinder in lock position 11 to 14 V
      3B-3 (ACT+) - Body ground Output W - Body ground Door lock motor lock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Lock side of driver door control switch pushed or driver door key cylinder in lock position 11 to 14 V
      3C-10 (TR+) - Body ground Output W-B - Body ground Door lock motor lock drive output Luggage door open button of electrical key transmitter sub-assembly not pressed Below 1 V Trunk and Back-Door Open
      Luggage door open button of electrical key transmitter sub-assembly pressed 11 to 14 V
      3C-12 (ACT+) - Body ground Output L - Body ground Door lock motor lock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Lock side of driver door control switch pushed or driver door key cylinder in lock position 11 to 14 V
      3B-4 (ACTD) - Body ground Output GR - Body ground Driver door lock motor unlock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Unlock side of driver door control switch pushed or driver door key cylinder in unlock position 11 to 14 V
      3B-8 (ACT-) - Body ground Output LG - Body ground Door lock motor unlock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Unlock side of driver door control switch pushed or driver door key cylinder in unlock position 11 to 14 V
      3C-11 (ACT-) - Body ground Output B - Body ground Door lock motor unlock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Unlock side of driver door control switch pushed or driver door key cylinder in unlock position 11 to 14 V
      3B-9 (ACT-) - Body ground Output B - Body ground Door lock motor unlock drive output Driver door control switch not pushed and driver door key cylinder in neutral position Below 1 V -
      Unlock side of driver door control switch pushed or driver door key cylinder in unlock position 11 to 14 V
      H10-7 (LSFL) - Body ground Input L - Body ground Front door LH unlock detection switch input Front door LH unlocked Below 1 V FL Door Lock Pos
      Engine switch off, all doors closed and front door LH locked Pulse generation (See waveform 1 or 2)
      H10-18 (LSFR) - Body ground Input W - Body ground Front door RH unlock detection switch input Front door RH unlocked Below 1 V FR Door Lock Pos
      Engine switch off, all doors closed and front door RH locked Pulse generation (See waveform 1 or 2)
      3C-17 (LSR) - Body ground Input GR - Body ground Rear door LH unlock detection switch input Rear door LH or RH unlocked Below 1 V RL-Door Lock Pos SW
      Engine switch off, all doors closed and rear door LH and RH locked Pulse generation (See waveform 1 or 2)
      3A-53 (LSR) - Body ground Input GR - Body ground Rear door RH unlock detection switch input Rear door RH or LH unlocked Below 1 V RR-Door Lock Pos SW
      Engine switch off, all doors closed and rear door RH and LH locked Pulse generation (See waveform 1 or 2)

      If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may have a malfunction.

    5. Using an oscilloscope, check waveform 1.

      HINT: 

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

      Fig 11: Identifying Waveform 1
      GTY319360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection H10-19 (LGCY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and luggage compartment door closed
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection 3C-17 (LSR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door LH and RH locked
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection 3A-53 (LSR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door RH and LH locked
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection
      • H10-9 (L1) - Body ground
      • H10-10 (UL1) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Door control switch off
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection H10-24 (UL3) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and driver door key cylinder in neutral position
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection H10-7 (LSFL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door LH locked
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection H10-18 (LSFR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door RH locked
    6. Using an oscilloscope, check waveform 2.

      HINT: 

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

      Fig 12: Identifying Waveform 2
      GTY322547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection H10-19 (LGCY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and luggage compartment door closed
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection 3C-17 (LSR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door LH and RH locked
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection 3A-53 (LSR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door RH and LH locked
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection
      • H10-9 (L1) - Body ground
      • H10-10 (UL1) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Door control switch off
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection H10-24 (UL3) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and driver door key cylinder in neutral position
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection H10-7 (LSFL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door LH locked
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection H10-18 (LSFR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door RH locked
    7. Using an oscilloscope, check waveform 3.

      HINT: 

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

      Fig 13: Identifying Waveform 3
      GTY318716Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 3 (REFERENCE)

      Item Content
      Tester Connection H10-11 (L2) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and driver door key cylinder in neutral position
    8. Using an oscilloscope, check waveform 4.

      HINT: 

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

      Fig 14: Identifying Waveform 4
      GTY322687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 4 (REFERENCE)

      Item Content
      Tester Connection H10-11 (L2) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and driver door key cylinder in neutral position
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