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Terminals Of Ecu [03/2017 - ]

  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    GTY707044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the D41 and D48 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
      D48-2 (+B) - D48-11 (GND) Input R - B +B power supply Always 9.5 to 16 V -
      D48-11 (GND) - Body ground - B - Body ground Ground Always Below 1 Ω -

      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 D41 and D48 certification ECU (smart key ECU assembly) connectors.
    4. Measure the voltage according to the value(s) in the table below.

      HINT: 

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      D41-5 (IG2) - D48-11 (GND) Input Y - B IG power supply Engine switch off → on (IG) Below 1 V → 11 to 14 V Ignition Switch
      D41-12 (CLG1) - D48-11 (GND) Output Y - 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)
      D41-13 (CG1B) - D48-11 (GND) Output BR - 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)
      D41-11 (CLG2) - D48-11 (GND) Output P - 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)
      D41-10 (CG2B) - D48-11 (GND) Output V - 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)
      D41-3 (CLG5) - D48-11 (GND) Output BE - B Output to indoor electrical key oscillator (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)
      D41-2 (CG5B) - D48-11 (GND) Output P - B Output to indoor electrical key oscillator (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)
      D41-20 (TSW1) - D48-11 (GND) Input G - B Driver 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) send 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 4) D-Door Trigger Switch
      D41-8 (TSW2) - D48-11 (GND) Input L - 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 4) P-Door Trigger Switch
      D41-22 (SEN1) - D48-11 (GND) Input L - 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 4) D-Door Touch Sensor
      D41-23 (SEN2) - D48-11 (GND) Input 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 4) P-Door Touch Sensor
      D40-27 (TSW5) - D48-11 (GND) Input Y - B Back door opener switch signal input Back door opener switch assembly off → on Pulse generation (See waveform 4) Tr/B-Door Unlock SW
      D40-11 (CLG6) - D48-11 (GND) Output W - B Output to No. 2 indoor electrical key oscillator (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)
      D40-10 (CG6B) - D48-11 (GND) Output B - B Output to No. 2 indoor electrical key oscillator (rear floor) (terminal on opposite side of component from CLG6 output terminal) Proceed:
      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)
      D40-9 (CLG7) - D48-11 (GND) Output W - B Output to No. 3 indoor electrical key oscillator (inside luggage compartment) 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 + Luggage (inside) (key diagnostic mode)
      D40-8 (CG7B) - D48-11 (GND) Output R - B Output to No. 3 indoor electrical key oscillator (inside luggage compartment) (terminal on opposite side of component from CLG7 output terminal) Proceed:
      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 + Luggage (inside) (key diagnostic mode)
      D41-19 (POS1) - D48-11 (GND) Output V - 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 -
      D41-21 (POS2) - D48-11 (GND) Output R - 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 -
      D40-5 (RCO) - D48-11 (GND) Output LG - 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 button of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation (See waveform 5) -
      D40-17 (RDA) - D48-11 (GND) Input P - 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). Proceed:
      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 button of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation (See waveform 6) -
      D40-19 (RSSI) - D48-11 (GND) Input R - B Communication channel switching circuit. Proceed:
      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 button of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation (See waveform 7) -
      D40-2 (CLG8) - D48-11 (GND) Output BR - 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. Back door opener switch assembly off → on
      		 Pulse generation (See waveform 8) Over Head + Luggage
      or
      Luggage + Luggage (key diagnostic mode)
      D40-1 (CG8B) - D48-11 (GND) Output Y - 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. Back door opener switch assembly off → on
      		 Pulse generation (See waveform 8) Over Head + Luggage
      or
      Luggage + Luggage (key diagnostic mode)
    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.

      GTY687109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection
      • D41-12 (CLG1) - D48-11 (GND)
      • D41-11 (CLG2) - D48-11 (GND)
      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
    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.

      GTY718006Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection
      • D41-12 (CLG1) - D48-11 (GND)
      • D41-11 (CLG2) - D48-11 (GND)
      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
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection
      • D41-13 (CG1B) - D48-11 (GND)
      • D41-10 (CG2B) - D48-11 (GND)
      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.

      GTY691103Courtesy 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
      • D41-3 (CLG5) - D48-11 (GND)
      • D41-2 (CG5B) - D48-11 (GND)
      • D40-11 (CLG6) - D48-11 (GND)
      • D40-10 (CG6B) - D48-11 (GND)
      • D40-9 (CLG7) - D48-11 (GND)
      • D40-8 (CG7B) - D48-11 (GND)
      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.

      GTY697707Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a In actuality, sampling is being performed
      WAVEFORM 4 (REFERENCE)

      Item Content
      Tester Connection D41-20 (TSW1) - D48-11 (GND)
      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 4 (REFERENCE)

      Item Content
      Tester Connection D41-8 (TSW2) - D48-11 (GND)
      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 4 (REFERENCE)

      Item Content
      Tester Connection D41-22 (SEN1) - D48-11 (GND)
      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 4 (REFERENCE)

      Item Content
      Tester Connection D41-23 (SEN2) - D48-11 (GND)
      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 4 (REFERENCE)

      Item Content
      Tester Connection D40-27 (TSW5) - D48-11 (GND)
      Tool Setting 2 V/DIV., 500 ms/DIV
      Condition Back door opener switch assembly off → on
    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 1: Identifying Waveform 6
      GTY278665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Before lock or unlock button of electrical key transmitter sub-assembly pressed
      *b After lock or unlock button of electrical key transmitter sub-assembly pressed
      WAVEFORM 5 (REFERENCE)

      Item Content
      Tester Connection D40-5 (RCO) - D48-11 (GND)
      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 button of electrical key transmitter sub-assembly not pressed → pressed
    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 2: Identifying Waveform 7
      GTY277201Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Before lock or unlock button of electrical key transmitter sub-assembly pressed
      *b After lock or unlock button of electrical key transmitter sub-assembly pressed
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection D40-17 (RDA) - D48-11 (GND)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition Proceed:
      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 button of electrical key transmitter sub-assembly not pressed → pressed
    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 3: Identifying Waveform 7
      GTY389026Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Before lock or unlock button of electrical key transmitter sub-assembly pressed
      *b After lock or unlock button of electrical key transmitter sub-assembly pressed
      WAVEFORM 7 (REFERENCE)

      Item Content
      Tester Connection D40-19 (RSSI) - D48-11 (GND)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition Proceed:
      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 button of electrical key transmitter sub-assembly not pressed → pressed
    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 4: Waveform 5
      GTY315145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Engine switch off, all doors closed and back door opener switch assembly off → on
      WAVEFORM 8 (REFERENCE)

      Item Content
      Tester Connection
      • D40-2 (CLG8) - D48-11 (GND)
      • D40-1 (CG8B) - D48-11 (GND)
      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
  2. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (NETWORK GATEWAY ECU) 
    GTY695958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *1 Instrument Panel Junction Block Assembly *2 Main Body ECU (Network Gateway ECU)
    1. Remove the main body ECU (network gateway ECU) from the instrument panel junction block assembly (Refer to REMOVAL [06/2016 - ] ).
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      MB-1 (BECU) - Body ground Input None - Body ground Battery power supply Always 11 to 14 V -
      MB-8 (IG) - Body ground Input None - Body ground Engine switch power supply Engine switch on (IG) 11 to 14 V IG SW
      Engine switch off Below 1 V
      MB-9 (ACC) - Body ground Input None - Body ground ACC power supply Engine switch on (ACC) 11 to 14 V ACC SW
      Engine switch off Below 1 V
      MB-11 (GND) - Body ground Input None - Body ground Ground Always Below 1 Ω -
      MB-32 (BMPX) - Body ground Input None - Body ground Battery power supply Always 11 to 14 V -
      D6-1 (GND) - Body ground - B - Body ground Ground Always Below 1 Ω -
      A73-4 (GND) - Body ground - B-Y - Body ground Ground Always Below 1 Ω -

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

    3. Install the main body ECU (network gateway ECU) to the instrument panel junction block assembly (Refer to INSTALLATION [06/2016 - ] ).
    4. Measure the voltage and waveform according to the value(s) in the table below.
      Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      3A-28 - Body ground Input V - Body ground Driver side door courtesy light switch input Driver side door open Below 1 V D Door Courtesy SW
      Driver side door closed 11 to 14 V
      3B-13 - Body ground Input GR - Body ground Passenger side door courtesy light switch input Passenger side door open Below 1 V P Door Courtesy SW
      Passenger side door closed 11 to 14 V
      3D-26 - Body ground Input SB - Body ground Luggage compartment 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 11 to 14 V
      D5-22 (ACC) - Body ground Input W - Body ground ACC power supply Engine switch on (ACC) 11 to 14 V ACC SW
      Engine switch off Below 1 V
      3B-2 - Body ground Output Y - Body ground Door lock motor lock drive output (for driver side) Driver side door control switch not pushed Below 1 V -
      Lock side of driver side door control switch pushed 11 to 14 V
      3B-3 - Body ground Output L - Body ground Door lock motor lock drive output (for passenger side) Driver side door control switch not pushed Below 1 V -
      Lock side of driver side door control switch pushed 11 to 14 V
      3B-6 - Body ground Output G - Body ground Door lock motor lock drive output (for luggage compartment door) Luggage open switch of electrical key transmitter sub-assembly not pressed Below 1 V Trunk and Back- Door Open
      Luggage open switch of electrical key transmitter sub-assembly pressed 11 to 14 V
      3D-11 - Body ground Output R-G - Body ground Door lock motor unlock drive output (for driver side) Driver side door control switch not pushed Below 1 V -
      Unlock side of driver side door control switch pushed 11 to 14 V
      3B-4 - Body ground Output L-W - Body ground Door lock motor unlock drive output (for passenger side) Driver side door control switch not pushed Below 1 V -
      Unlock side of driver side door control switch pushed 11 to 14 V
      D6-11 (LSFD) - Body ground Input W - Body ground Driver side door unlock detection switch input Driver side door unlocked Below 1 V D-Door Lock Pos SW
      Engine switch off, all doors closed and driver side door locked Pulse generation (See waveform 1 or 2)
      D6-12 (LSFP) - Body ground Input SB - Body ground Passenger side door unlock detection switch input Passenger side door unlocked Below 1 V P-Door Lock Pos SW
      Engine switch off, all doors closed and passenger side door locked Pulse generation (See waveform 1 or 2)
    5. Inspect using an oscilloscope.
      NOTE:

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

      1. Waveform 1 (Reference)
        GTY719679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        MEASUREMENT CONDITION

        Item Content
        Tester Connection D6-11 (LSFD) - Body ground
        Tool Setting 5 V/DIV., 20 ms/DIV.
        Condition Engine switch off, all doors closed and driver side door locked
        MEASUREMENT CONDITION

        Item Content
        Tester Connection D6-12 (LSFP) - Body ground
        Tool Setting 5 V/DIV., 20 ms/DIV.
        Condition Engine switch off, all doors closed and passenger side door locked
      2. Waveform 2 (Reference)
        GTY710072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        MEASUREMENT CONDITION

        Item Content
        Tester Connection D6-11 (LSFD) - Body ground
        Tool Setting 5 V/DIV., 20 ms/DIV.
        Condition Engine switch off, all doors closed and driver side door locked
        MEASUREMENT CONDITION

        Item Content
        Tester Connection D6-12 (LSFP) - Body ground
        Tool Setting 5 V/DIV., 20 ms/DIV.
        Condition Engine switch off, all doors closed and passenger side door locked
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