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


  1. CHECK TRANSPONDER KEY ECU ASSEMBLY

    B007R9WE09

    1. Disconnect the H60 transponder key ECU assembly connector.

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

      Tech Tips

      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
      H60-1 (+B) - H60-5 (GND) Input W - W-B Battery Always 11 to 14 V +B
      H60-2 (IG) - H60-5 (GND) Input B - W-B Ignition switch signal Ignition switch off Below 1 V IG SW
      Ignition switch ON 11 to 14 V
      H60-3 (KSW) - H60-5 (GND) Input Y - W-B Unlock warning switch signal No key in ignition key cylinder 10 kΩ or higher Key SW/B2780
      Key in ignition key cylinder Below 1 Ω
      H60-5 (GND) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      H60-7 (CTY) - Body ground Input R - Body ground Door courtesy switch (for driver side) signal Driver side door closed 10 kΩ or higher -
      Driver side door open Below 1 Ω

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

    3. Reconnect the H60 transponder key ECU assembly connector.

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

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      H60-8 (IND) - H60-5 (GND) Output R - W-B Security indicator signal No key in ignition key cylinder, or 20 sec. elapsed after turning ignition switch to ACC or off (immobiliser system set) Pulse generation Immobiliser
      Key in ignition key cylinder (immobiliser system unset) Below 1 V
      H60-9 (D) - H60-5 (GND) Input/Output W - W-B DLC3 communication Without communication Below 1 V -
      During communication Pulse generation
      H60-4 (ANT1) - H60-5 (GND) Input/Output Y - W-B 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)
      H60-15 (ANT2) - H60-5 (GND) Input/Output L - W-B 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)
      H60-12 (EFII) - H60-5 (GND) Output R - W-B ECM input signal Ignition switch off 11 to 14 V -
      H60-12 (EFII) - H60-5 (GND) Output R - W-B 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 3)

      		 -
      H60-13 (EFIO) - H60-5 (GND) Input B - W-B ECM output signal Ignition switch off Below 1 V -
      Ignition switch ON

      Pulse generation

      (See waveform 4)

      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)

        B007RJ7E01
        Tester Connection H60-4 (ANT1) - H60-5 (GND)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds of inserting key into ignition key cylinder

      2. Waveform 2 (Reference)

        B007SJLE01
        Tester Connection H60-15 (ANT2) - H60-5 (GND)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Within 3 seconds of inserting key into ignition key cylinder

      3. Waveform 3 (Reference)

        B007U0ZE02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection H60-12 (EFII) - H60-5 (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)

        B007UN1E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection H60-13 (EFIO) - H60-5 (GND)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Ignition switch ON

  2. CHECK ECM (for 1TR-FE, 2TR-FE)

    B007PO1E01
    Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
    D97-105 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    D97-46 (E01) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    D97-45 (E02) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    B71-20 (BATT) - D97-105 (E1) Input W - W-B +B power supply Always 11 to 14 V -
    B71-2 (+B2) - D97-105 (E1) Input L - W-B +B power supply Ignition switch ON 11 to 14 V -
    B71-2 (+B) - D97-105 (E1) Input L - W-B +B power supply Ignition switch ON 11 to 14 V -
    B71-10 (IMO) - D97-105 (E1) Input R - W-B Transponder key ECU assembly communication input 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 1)

    		 -
    B71-11 (IMI) - D97-105 (E1) Output B - W-B Transponder key ECU assembly communication output Ignition switch off Below 1 V -
    Ignition switch ON

    Pulse generation

    (See waveform 2)

    		 -

    1. Using an oscilloscope, check the waveform.


      1. Waveform 1 (Reference)

        B007TA8E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B71-10 (IMO) - D97-105 (E1)
        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. Waveform 2 (Reference)

        B007UN1E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B71-11 (IMI) - D97-105 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Ignition switch ON

  3. CHECK ECM (for 1KD-FTV [w/o DPF])

    B007PO1E02
    Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
    D98-109 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    D98-45 (E01) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    D98-44 (E02) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    B72-2 (BATT) - D98-109 (E1) Input W - W-B +B power supply Always 11 to 14 V -
    B72-20 (+B2) - D98-109 (E1) Input L - W-B +B power supply Ignition switch ON 11 to 14 V -
    B72-1 (+B) - D98-109 (E1) Input L - W-B +B power supply Ignition switch ON 11 to 14 V -
    B72-15 (IMO) - D98-109 (E1) Input R - W-B Transponder key ECU assembly communication input 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 1)

    		 -
    B72-16 (IMI) - D98-109 (E1) Output B - W-B Transponder key ECU assembly communication output Ignition switch off Below 1 V -
    Ignition switch ON

    Pulse generation

    (See waveform 2)

    		 -

    1. Using an oscilloscope, check the waveform.


      1. Waveform 1 (Reference)

        B007TA8E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B72-15 (IMO) - D98-109 (E1)
        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. Waveform 2 (Reference)

        B007UN1E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B72-16 (IMI) - D98-109 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Ignition switch ON

  4. CHECK ECM (for 1KD-FTV [w/ DPF])

    B007PO1E03
    Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
    D99-109 (E1) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    D99-45 (E01) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    D99-44 (E02) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
    B73-2 (BATT) - D99-109 (E1) Input W - W-B +B power supply Always 11 to 14 V -
    B73-20 (+B2) - D99-109 (E1) Input L - W-B +B power supply Ignition switch ON 11 to 14 V -
    B73-1 (+B) - D99-109 (E1) Input L - W-B +B power supply Ignition switch ON 11 to 14 V -
    B73-15 (IMO) - D99-109 (E1) Input R - W-B Transponder key ECU assembly communication input 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 1)

    		 -
    B73-16 (IMI) - D99-109 (E1) Output B - W-B Transponder key ECU assembly communication output Ignition switch off Below 1 V -
    Ignition switch ON

    Pulse generation

    (See waveform 2)

    		 -

    1. Using an oscilloscope, check the waveform.


      1. Waveform 1 (Reference)

        B007TA8E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B73-15 (IMO) - D99-109 (E1)
        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. Waveform 2 (Reference)

        B007UN1E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B73-16 (IMI) - D99-109 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Ignition switch ON

  5. CHECK ECM (for 2KD-FTV)

    B007PO1E04
    Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
    D105-109 (E1) - Body ground - BR - Body ground Ground Always Below 1 Ω -
    D105-45 (E01) - Body ground - BR - Body ground Ground Always Below 1 Ω -
    D105-44 (E02) - Body ground - BR - Body ground Ground Always Below 1 Ω -
    B88-2 (BATT) - D105-109 (E1) Input W - BR +B power supply Always 11 to 14 V -
    B88-1 (+B) - D105-109 (E1) Input L - BR +B power supply Ignition switch ON 11 to 14 V -
    B88-15 (IMO) - D105-109 (E1) Input R - BR Transponder key ECU assembly communication input 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 1)

    		 -
    B88-16 (IMI) - D105-109 (E1) Output B - BR Transponder key ECU assembly communication output Ignition switch off Below 1 V -
    Ignition switch ON

    Pulse generation

    (See waveform 2)

    		 -

    1. Using an oscilloscope, check the waveform.


      1. Waveform 1 (Reference)

        B007TA8E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B88-15 (IMO) - D105-109 (E1)
        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. Waveform 2 (Reference)

        B007UN1E02
        Text in Illustration
        *a Approximately 160 ms *b Approximately 270 ms
        Tester Connection B88-16 (IMI) - D105-109 (E1)
        Tool Setting 2 V/DIV., 500 ms./DIV.
        Condition Ignition switch ON