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


  1. CHECK TRANSPONDER KEY ECU ASSEMBLY

    A01VJRPE02

    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)

        A01VHYGE04
        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)

        A01VI6UE03
        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)

        A01VFSUE11
        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)

        A01VDTRE13
        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)

    A01VDTVE02
    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 (+B2) - 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)

        A01VDTRE14
        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)

        A01VFSUE12
        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 1NR-FE)

    A01VM2FE02
    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
      B22-16 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A58-1 (BATT) - B22-16 (E1) Input Y - W-B +B power supply Always 11 to 14 V -
      A58-3 (+B2) - B22-16 (E1) Input L - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-2 (+B) - B22-16 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-29 (IMO) - B22-16 (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) - B22-16 (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
      B23-16 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      A58-1 (BATT) - B23-16 (E1) Input Y - W-B +B power supply Always 11 to 14 V -
      A58-3 (+B2) - B23-16 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-2 (+B) - B23-16 (E1) Input B - W-B +B power supply Ignition switch ON 11 to 14 V -
      A58-29 (IMO) - B23-16 (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) - B23-16 (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)

        A01VDTRE15
        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

        A58-29 (IMO) - B22-16 (E1)*1

        A58-29 (IMO) - B23-16 (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)

        A01VFSUE13
        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) - B22-16 (E1)*1

        A58-28 (IMI) - B23-16 (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)

    A01VKP0E02

    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)

        A01VDTRE16
        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)

        A01VFSUE14
        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)

    A01VLUYE02
    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)

        A01VDTRE14
        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)

        A01VFSUE12
        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