Engine Immobiliser System (W/ Entry And Start System) Terminals Of Ecu

Securities. Camry. Acv40 Gsv40
Engine Immobiliser. Camry. Acv40 Gsv40
  1. CHECK ENGINE SWITCH

  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

  1. CHECK ID CODE BOX (IMMOBILISER CODE ECU)

  1. CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)

  1. CHECK ECM

  1. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

  1. CLOCK ASSEMBLY

Engine Immobiliser System (W/ Entry And Start System) -- Terminals Of Ecu



CHECK ENGINE SWITCH


  1. Disconnect the E70 engine switch connector.


    Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

  2. Measure the 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
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E70-8 (AGND) - Body ground
    G - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the E70 engine switch connector.

  4. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E70-9 (TXCT) - E70-8 (AGND)
    GR - G
    Key code output signal
    Key not in cabin
    Below 1 V
    E70-9 (TXCT) - E70-8 (AGND)
    GR - G
    Key code output signal
    Key held close to engine switch*
    Pulse generation
    (See waveform 1)
    E70-10 (CODE) - E70-8 (AGND)
    W - G
    Demodulated signal of key code data
    Key not in cabin
    Below 1 V
    E70-10 (CODE) - E70-8 (AGND)
    W - G
    Demodulated signal of key code data
    Key held close to engine switch*
    Pulse generation
    (See waveform 2)
    E70-14 (VC5) - E70-8 (AGND)
    R - G
    Power supply
    Key not in cabin
    Below 1 V
    E70-14 (VC5) - E70-8 (AGND)
    R - G
    Power supply
    Brake pedal depressed*
    4.6 to 5.4 V
    HINT:
    *: Remove the key battery before performing this inspection.
    If the result is not as specified, the engine switch may have a malfunction.


  5. Inspect using an oscilloscope.



      Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    1. Waveform 1 (Reference)

      Item
      Content
      Tester Connection
      E70-9 (TXCT) - E70-8 (AGND)
      Tool Setting
      2 V/DIV., 50 ms./DIV.
      Condition
      Key is held close to engine switch*
      HINT:
      *: Remove the key battery before performing this inspection.


    2. Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    3. Waveform 2 (Reference)

      Item
      Content
      Tester Connection
      E70-10 (CODE) - E70-8 (AGND)
      Tool Setting
      2 V/DIV., 50 ms./DIV.
      Condition
      Key is held close to engine switch*
      HINT:
      *: Remove the key battery before performing this inspection.

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


  1. Disconnect the E74 certification ECU (smart key ECU assembly) connector.


    Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

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

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

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E74-1 (+B) - E74-17 (E)
    W - W-B
    +B power supply
    Always
    11 to 14 V
    E74-17 (E) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the E74 certification ECU (smart key ECU assembly) connector.

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

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E74-2 (IND) - Body ground
    Y - Body ground
    Security indicator light signal
    Engine switch on (IG), security indicator light off
    Below 1 V
    E74-2 (IND) - Body ground
    Y - Body ground
    Security indicator light signal
    Immobiliser set state, security indicator light blinks
    Repeats 11 to 14 V and below 1 V
    E74-8 (TXCT) - E74-40 (AGND)
    GR - G
    Engine switch TXCT output
    Key not in cabin
    Below 1 V
    E74-8 (TXCT) - E74-40 (AGND)
    GR - G
    Engine switch TXCT output
    Key held close to engine switch*
    Pulse generation (See waveform 1)
    E74-9 (CODE) - E74-40 (AGND)
    W - G
    Engine switch CODE input
    Key not in cabin
    Below 1 V
    E74-9 (CODE) - E74-40 (AGND)
    W - G
    Engine switch CODE input
    Key held close to engine switch*
    Pulse generation (See waveform 2)
    E74-18 (IG) - E74-17 (E)
    LG - W-B
    Ignition power supply
    Engine switch off
    Below 1 V
    E74-18 (IG) - E74-17 (E)
    LG - W-B
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    E74-19 (ACC) - E74-17 (E)
    L - W-B
    ACC power supply
    Engine switch off
    Below 1 V
    E74-19 (ACC) - E74-17 (E)
    L - W-B
    ACC power supply
    Engine switch on (ACC)
    11 to 14 V
    E74-30 (VC5) - E74-40 (AGND)
    R - G
    Engine switch power supply
    Key not in cabin
    Below 1 V
    E74-30 (VC5) - E74-40 (AGND)
    R - G
    Engine switch power supply
    Brake pedal depressed*
    4.6 to 5.4 V
    E74-40 (AGND) - Body ground
    G - Body ground
    Engine switch ground
    Always
    Below 1 Ω
    HINT:
    *: Remove the key battery before performing this inspection.
    If the result is not as specified, the certification ECU (smart key ECU assembly) may have a malfunction.


  5. Inspect using an oscilloscope.



      Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    1. Waveform 1 (Reference)

      Item
      Content
      Tester Connection
      E74-8 (TXCT) - E74-40 (AGND)
      Tool Setting
      2 V/DIV., 50 ms./DIV.
      Condition
      Key is held close to engine switch*
      HINT:
      *: Remove the key battery before performing this inspection.


    2. Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    3. Waveform 2 (Reference)

      Item
      Content
      Tester Connection
      E74-9 (CODE) - E74-40 (AGND)
      Tool Setting
      2 V/DIV., 50 ms./DIV.
      Condition
      Key is held close to engine switch*
      HINT:
      *: Remove the key battery before performing this inspection.

CHECK ID CODE BOX (IMMOBILISER CODE ECU)


  1. Disconnect the E68 ID code box (immobiliser code ECU) connector.


    Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

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

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

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E68-1 (+B) - E68-8 (GND)
    W - W-B
    +B power supply
    Always
    11 to 14 V
    E68-8 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the E68 ID code box (immobiliser code ECU) connector.

  4. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E68-5 (EFII) - E68-8 (GND)
    G - W-B
    ECM input signal
    Engine switch off
    Below 1 V
    E68-5 (EFII) - E68-8 (GND)
    G - W-B
    ECM input signal
    Engine switch on (IG)
    Pulse generation
    (See waveform 1)
    E68-6 (EFIO) - E68-8 (GND)
    L - W-B
    ECM output signal
    Engine switch off
    Below 1 V
    E68-6 (EFIO) - E68-8 (GND)
    L - W-B
    ECM output signal
    Engine switch on (IG)
    Pulse generation
    (See waveform 2)
    If the result is not as specified, the ID code box (immobiliser code ECU) may have a malfunction.


  5. Inspect using an oscilloscope.



      Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    1. Waveform 1 (Reference)

      Item
      Content
      Tester Connection
      E68-5 (EFII) - E68-8 (GND)
      Tool Setting
      5 V/DIV., 100 ms./DIV.
      Condition
      Engine switch on (IG)


    2. Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    3. Waveform 2 (Reference)

      Item
      Content
      Tester Connection
      E68-6 (EFIO) - E68-8 (GND)
      Tool Setting
      5 V/DIV., 100 ms./DIV.
      Condition
      Engine switch on (IG)

CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)


  1. Disconnect the E69 steering lock ECU (steering lock actuator assembly) connector.


    Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

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

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

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E69-1 (GND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    E69-2 (SGND) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    E69-6 (IG2) - Body ground
    B - Body ground
    Ignition power supply
    Engine switch off
    Below 1 V
    E69-6 (IG2) - Body ground
    P - Body ground
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    E69-7 (B) - Body ground
    P - Body ground
    +B power supply
    Always
    11 to 14 V
    If the result is not as specified, there may be a malfunction in the wire harness.

CHECK ECM


  1. The values listed under "Specified Condition" are reference values. Because waterproof connectors are used for the ECM, inspections can not be performed with the connectors connected.


    Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


    for RHD
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    C58-81 (E1) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    A24-10 (IMO) - C58-81 (E1)
    G - W-B
    ID code box (immobiliser code ECU) output signal
    Engine switch off
    Below 1 V
    A24-10 (IMO) - C58-81 (E1)
    G - W-B
    ID code box (immobiliser code ECU) output signal
    Engine switch on (IG)
    Pulse generation
    (See waveform 1)
    A24-11 (IMI) - C58-81 (E1)
    Y - W-B
    ID code box (immobiliser code ECU) input signal
    Engine switch off
    Below 1 V
    A24-11 (IMI) - C58-81 (E1)
    Y - W-B
    ID code box (immobiliser code ECU) input signal
    Engine switch on (IG)
    Pulse generation
    (See waveform 2)

    for LHD
    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    C55-81 (E1) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    A55-10 (IMO) - C55-81 (E1)
    G - W-B
    ID code box (immobiliser code ECU) output signal
    Engine switch off
    Below 1 V
    A55-10 (IMO) - C55-81 (E1)
    G - W-B
    ID code box (immobiliser code ECU) output signal
    Engine switch on (IG)
    Pulse generation
    (See waveform 1)
    A55-11 (IMI) - C55-81 (E1)
    Y - W-B
    ID code box (immobiliser code ECU) input signal
    Engine switch off
    Below 1 V
    A55-11 (IMI) - C55-81 (E1)
    Y - W-B
    ID code box (immobiliser code ECU) input signal
    Engine switch on (IG)
    Pulse generation
    (See waveform 2)


  2. Waveform:



      Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    1. Waveform 1 (Reference)

      Item
      Content
      Tester Connection
      for RHD
      A24-10 (IMO) - C58-81 (E1)
      for LHD
      A55-10 (IMO) - C55-81 (E1)
      Tool Setting
      5 V/DIV., 100 ms./DIV.
      Condition
      Engine switch on (IG)


    2. Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    3. Waveform 2 (Reference)

      Item
      Content
      Tester Connection
      for RHD
      A24-11 (IMI) - C58-81 (E1)
      for LHD
      A55-11 (IMI) - C55-81 (E1)
      Tool Setting
      5 V/DIV., 100 ms./DIV.
      Condition
      Engine switch on (IG)

CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


  1. Disconnect the ID, IM and IR main body ECU (instrument panel junction block assembly) connectors.


    Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

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

    HINT:
    Measure the values on the wire harness side with the connectors disconnected.

    Tester Connection
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    ID-10 (BECU) - Body ground
    BE - Body ground
    Battery power supply
    Always
    11 to 14 V
    ID-16 (ALTB) - Body ground
    W - Body ground
    Battery power supply
    Always
    11 to 14 V
    IM-9 (GND1) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    IR-1 (GND2) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

CLOCK ASSEMBLY


  1. Disconnect the F3 clock assembly connector.


    Camry. Acv40 Gsv40.Engine Immobiliser.Engine Immobiliser System (W/ Entry And Start System).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

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

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    F3-1 (B) - Body ground
    R - Body ground
    Battery
    Always
    11 to 14 V
    F3-3 (IG) - Body ground
    GR - Body ground
    Engine switch signal
    Engine switch on (IG)
    11 to 14 V
    F3-3 (IG) - Body ground
    GR - Body ground
    Engine switch signal
    Engine switch off
    Below 1 V
    F3-8 (LP) - Body ground
    Y - Body ground
    Security indicator light signal
    Engine switch on (IG), security indicator light off
    Below 1 V
    F3-8 (LP) - Body ground
    Y - Body ground
    Security indicator light signal
    Immobiliser set state, security indicator light blinks
    Repeats 11 to 14 V and below 1 V
    F3-19 (GND1) - Body ground
    W-B - Body ground
    Ground (Signal ground)
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.