ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System) TERMINALS OF ECU


  1. CHECK TRANSPONDER KEY ECU ASSEMBLY

    A00477UE02

    1. Disconnect the F54 transponder key ECU assembly connector.

    2. Measure the resistance and voltage 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/DTC
      F54-5 (GND) - Body ground - BR - Body ground Ground Always Below 1 Ω -
      F54-1 (+B) - F54-5 (GND) Input Y - BR Battery Always 11 to 14 V +B
      F54-2 (IG) - F54-5 (GND) Input P - BR Ignition switch Ignition switch off Below 1 V IG SW
      Ignition switch ON 11 to 14 V
      F54-3 (KSW) - F54-5 (GND) Input BE - BR Unlock warning switch No key in ignition key cylinder 10 kΩ or higher Key SW/B2780
      Key inserted in ignition key cylinder Below 1 Ω

    3. Reconnect the F54 transponder key ECU connector.

    4. Measure the resistance and voltage, and check for pulses 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/DTC
      F54-9 (D) - F54-5 (GND) Input/Output B - BR DLC3 communication Without communication Below 1 V -
      During communication Pulse generation
      F54-4 (ANT1) - F54-5 (GND) Input/Output GR - BR Transponder key amplifier power source No key in ignition key cylinder 4 to 6 V -
      Within 3 seconds of inserting key into ignition key cylinder

      Pulse generation

      (See waveform 1)
      F54-15 (ANT2) - F54-5 (GND) Input/Output L - BR Transponder key amplifier communication signal No key in ignition key cylinder 4 to 6 V -
      Within 3 seconds of inserting key into ignition key cylinder

      Pulse generation

      (See waveform 2)
      F54-13 (EFIO) - F54-5 (GND) Input R - BR ECM output signal Ignition switch off Below 1 V E/G Start Permission
      Within 3 seconds of starter operation and initial combustion, or within 3 seconds of ignition switch first being turned to ON after cable disconnected and reconnected to negative (-) battery terminal

      Pulse generation

      (See waveform 3)
      F54-12 (EFII) - F54-5 (GND) Output LG - BR ECM input signal Within 3 seconds of starter operation and initial combustion, or within 3 seconds of ignition switch first being turned to ON after cable disconnected and reconnected to negative (-) battery terminal

      Pulse generation

      (See waveform 4)

      		 E/G Start Permission

      If the result is not as specified, the transponder key ECU assembly may be malfunctioning.

    5. Using an oscilloscope, check the waveform.


      1. Waveform 1 (Reference)

        A0048Q6E04
        Measurement Condition
        Item Content
        Tester Connection F54-4 (ANT1) - F54-5 (GND)
        Tool Setting 20 V/DIV., 2 s./DIV.
        Condition Within 3 seconds of inserting key into ignition key cylinder

      2. Waveform 2 (Reference)

        A0049UIE03
        Measurement Condition
        Item Content
        Tester Connection F54-15 (ANT2) - F54-5 (GND)
        Tool Setting 20 V/DIV., 2 s./DIV.
        Condition Within 3 seconds of inserting key into ignition key cylinder

      3. Waveform 3 (Reference)

        A004BFGE11
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection F54-13 (EFIO) - F54-5 (GND)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds of starter operation and initial combustion, or within 3 seconds of ignition switch first being turned to ON after cable disconnected and reconnected to negative (-) battery terminal

      4. Waveform 4 (Reference)

        A00478HE13
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection F54-12 (EFII) - F54-5 (GND)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds of starter operation and initial combustion, or within 3 seconds of ignition switch first being turned to ON after cable disconnected and reconnected to negative (-) battery terminal

  2. CHECK ECM (for 1KR-FE)

    A004B7GE02
    Text in Illustration
    *A for LHD *B for RHD

    1. Measure the voltage and check for pulses 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/DTC
      A93-4 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A93-15 (BATT) - A93-4 (E1) Input V - W-B +B power supply Always 11 to 14 V -
      A93-1 (+B1) - A93-4 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A93-2 (+B) - A93-4 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A93-43 (IMO) - A93-4 (E1) Input W - W-B Transponder key ECU assembly communication input Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication input Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 1)

      		 -
      A93-42 (IMI) - A93-4 (E1) Output G - W-B Transponder key ECU assembly communication output Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication output Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 2)

      		 -

    2. Inspect using an oscilloscope.


      1. Waveform 1 (Reference)

        A00478HE14
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection A93-43 (IMO) - A93-4 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected

      2. Waveform 2 (Reference)

        A004BFGE12
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection A93-42 (IMI) - A93-4 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected

  3. CHECK ECM (for 2NR-FKE)

    A004AB1E03
    Text in Illustration
    *A for LHD *B for RHD

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

      for LHD
      Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item/DTC
      B112-59 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A58-1 (BATT) - B112-59 (E1) Input Y - W-B +B power supply Always 11 to 14 V -
      A58-3 (+B2) - B112-59 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-2 (+B) - B112-59 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-45 (IMO) - B112-59 (E1) Input W - W-B Transponder key ECU assembly communication input Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication input Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 1)

      		 -
      A58-28 (IMI) - B112-59 (E1) Output G - W-B Transponder key ECU assembly communication output Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication output Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 2)

      		 -
      for RHD
      Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item/DTC
      B118-59 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A58-1 (BATT) - B118-59 (E1) Input Y - W-B +B power supply Always 11 to 14 V -
      A58-3 (+B2) - B118-59 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-2 (+B) - B118-59 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-45 (IMO) - B118-59 (E1) Input W - W-B Transponder key ECU assembly communication input Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication input Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 1)

      		 -
      A58-28 (IMI) - B118-59 (E1) Output G - W-B Transponder key ECU assembly communication output Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication output Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 2)

      		 -

    2. Inspect using an oscilloscope.


      1. Waveform 1 (Reference)

        A00478HE15
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection

        A58-45 (IMO) - B112-59 (E1)*1

        A58-45 (IMO) - B118-59 (E1)*2
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected

        • *1: for LHD

        • *2: for RHD

      2. Waveform 2 (Reference)

        A004BFGE13
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection

        A58-28 (IMI) - B112-59 (E1)*1

        A58-28 (IMI) - B118-59 (E1)*2
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected

        • *1: for LHD

        • *2: for RHD

  4. CHECK ECM (for 1ND-TV without DPF)

    A00475ZE02

    1. Measure the voltage and check for pulses 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/DTC
      A59-2 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A59-23 (BATT) - A59-2 (E1) Input V - W-B +B power supply Always 11 to 14 V -
      A59-61 (+B2) - A59-2 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A59-1 (+B) - A59-2 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A59-78 (IMO) - A59-2 (E1) Input W - W-B Transponder key ECU assembly communication input Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication input Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 1)

      		 -
      A59-77 (IMI) - A59-2 (E1) Output G - W-B Transponder key ECU assembly communication output Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication output Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 2)

      		 -

    2. Inspect using an oscilloscope.


      1. Waveform 1 (Reference)

        A00478HE16
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection A59-78 (IMO) - A59-2 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected

      2. Waveform 2 (Reference)

        A004BFGE14
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection A59-77 (IMI) - A59-2 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected

  5. CHECK ECM (for 1ND-TV with DPF)

    A0047C4E02
    Text in Illustration
    *A for LHD *B for RHD

    1. Measure the voltage and check for pulses 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/DTC
      A108-4 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A108-15 (BATT) - A108-4 (E1) Input V - W-B +B power supply Always 11 to 14 V -
      A108-14 (+B2) - A108-4 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A108-2 (+B) - A108-4 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A108-1 (+B3) - A108-4 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A108-29 (IMO) - A108-4 (E1) Input W - W-B Transponder key ECU assembly communication input Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication input Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 1)

      		 -
      A108-34 (IMI) - A108-4 (E1) Output G - W-B Transponder key ECU assembly communication output Ignition switch off 11 to 14 V -
      Transponder key ECU assembly communication output Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and connected.

      Pulse generation

      (See waveform 2)

      		 -

    2. Inspect using an oscilloscope.


      1. Waveform 1 (Reference)

        A00478HE14
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection A108-29 (IMO) - A108-4 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected

      2. Waveform 2 (Reference)

        A004BFGE12
        Text in Illustration
        *a Waveform A *b Waveform B
        *c Approximately 160 ms *d Approximately 510 ms
        *e Approximately 270 ms - -
        Measurement Condition
        Item Content
        Tester Connection A108-34 (IMI) - A108-4 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected