ENGINE IMMOBILISER SYSTEM > DATA LIST / ACTIVE TEST

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DATA LIST

NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

HINT:
Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

  1. Connect the intelligent tester to the DLC3.

  2. Turn the power switch on (IG).

  3. Turn the intelligent tester on.

  4. Enter the following menus: Body / Entry&Start / Data List.

  5. According to the display on the intelligent tester, read the Data List.

    Entry&Start (Certification ECU (Smart Key ECU Assembly)) 
    Tester Display
    Measurement Item/Range
    Normal Condition
    Diagnostic Note
    Ignition Switch
    Power switch status / ON or OFF
    ON: Power switch on (IG)
    OFF: Power switch off
    Use this Data List item to help determine the cause when all the entry and start/wireless functions do not operate.
    #Codes
    Number of trouble codes / Min: 0, Max: 255
    Number of stored DTCs displayed
    -
    Immobilizer when IG=ON
    Engine immobiliser system status when power source mode on (IG) / SET or UNSET
    SET: Engine immobiliser system set (power switch on (IG))
    UNSET: Engine immobiliser system unset (power switch on (IG))
    If the item displays "SET", the engine immobiliser system may have a malfunction.
    Immobiliser
    Engine immobiliser system status determined by certification ECU (smart key ECU assembly) / Set or Unset
    Set: Engine immobiliser set (hybrid control system start prohibited) (power switch off or driver door closed and open with power switch on (ACC))
    Unset: Engine immobiliser unset (hybrid control system start permitted) (power switch on (IG))
    When the engine immobiliser system does not change to the unset state, this item can be used to determine if the cause is the certification ECU (smart key ECU assembly) or ID code box (immobiliser code ECU).
    Master Key
    Whether master key ID code matches ID code registered in certification ECU (smart key ECU assembly) / Match or No Match
    Match: ID code of master key matches ID code registered in certification ECU (smart key ECU assembly)
    No Match: ID code of master key does not match ID code registered in certification ECU (smart key ECU assembly)
    -
    Sub Key
    Whether sub-key ID code matches ID code registered in certification ECU (smart key ECU assembly) / Match or No Match
    Match: ID code of sub-key matches ID code registered in certification ECU (smart key ECU assembly)
    No Match: ID code of sub-key does not match ID code registered in certification ECU (smart key ECU assembly)
    -
    BCC Malfunction
    BCC signal status of transponder chip*1 / OK or NG
    OK: BCC signal normal
    NG: BCC signal malfunction (malfunction in code computation in key/certification ECU (smart key ECU assembly))
    Problems may be caused by the following:
    1. Communication errors due to external electric wave noise (LF).
    2. Malfunctions in the key or certification ECU (smart key ECU assembly).
    Abnormal Status
    Transponder chip status signal*1 / OK or NG
    OK: Transponder chip status signal normal
    NG: Transponder chip status signal malfunction (malfunction in code computation in key/certification ECU (smart key ECU assembly))
    Problems may be caused by the following:
    1. Communication errors due to external electric wave noise (LF).
    2. Malfunctions in the key or certification ECU (smart key ECU assembly).
    Different Encrypt Code
    Code status between transponder chip and certification ECU (smart key ECU assembly)*1 / OK or NG
    OK: Codes of transponder chip and certification ECU (smart key ECU assembly) match
    NG: Codes of transponder chip and certification ECU (smart key ECU assembly) do not match
    Problems may be caused by the following:
    1. A key from a different vehicle is being used.
    2. Malfunctions in the key or certification ECU (smart key ECU assembly).
    Different Serial Number
    Vehicle serial number*1 / OK or NG
    OK: Signal from transponder chip and vehicle serial number stored in the certification ECU (smart key ECU assembly) match
    NG: Signal from transponder chip and vehicle serial number stored in the certification ECU (smart key ECU assembly) do not match
    Problems may be caused by the following:
    1. A key from a different vehicle is being used.
    2. Malfunctions in the key or certification ECU (smart key ECU assembly).
    Frame Error
    State of data sent from key / OK or NG
    OK: No problem with data sent from key
    NG: Problem with data sent from key
    Problems may be caused by the following:
    1. Communication errors due to external electric wave noise.
    2. Malfunctions in the key or certification ECU (smart key ECU assembly).
    Response
    Key response to signal from certification ECU (smart key ECU assembly) / OK or NG
    OK: Key responds to signal from certification ECU (smart key ECU assembly)
    NG: Key does not respond to signal from certification ECU (smart key ECU assembly)
    Problems may be caused by the following:
    1. A key from a different vehicle is being used.
    2. Malfunctions in the key, certification ECU (smart key ECU assembly) or power switch.
    Wireless Starter Com ID
    Certification between remote start ECU and certification ECU (smart key ECU assembly) / No Regd or Regd
    No Regd: Certification between remote start ECU and certification ECU (smart key ECU assembly) not complete
    Regd: Certification between remote start ECU and certification ECU (smart key ECU assembly) complete
    -
    Wireless C Code
    Registration status between remote start ECU and certification ECU (smart key ECU assembly) / No Regd or Regd
    No Regd: ID not registered between remote start ECU and certification ECU (smart key ECU assembly)
    Regd: ID registered between remote start ECU and certification ECU (smart key ECU assembly)
    Problems may be caused by the following:
    1. DTC B2779 is stored.
    2. Remote start ECU registration has not been performed.
    3. Malfunctions in the certification ECU (smart key ECU assembly) or remote start ECU.
    Engine Start Condition
    Hybrid control system start permission from certification ECU (smart key ECU assembly) / OK or NG
    OK: Hybrid control system start permitted by certification ECU (smart key ECU assembly)
    NG: Hybrid control system start prohibited by certification ECU (smart key ECU assembly)
    -
    ID-BOX Sleep Condition
    ID code box (immobiliser code ECU) sleep mode status / Yes or No
    Yes: ID code box (immobiliser code ECU) sleep mode possible
    No: ID code box (immobiliser code ECU) sleep mode not possible
    -
    ID-BOX Start Condition
    ID code box (immobiliser code ECU) status / Yes or No
    Yes: Wake-up signal sent by ID code box (immobiliser code ECU)
    No: Wake-up signal not sent by ID code box (immobiliser code ECU)
    -
    Engine Start Request
    Request from certification ECU (smart key ECU assembly) to ID code box (immobiliser code ECU) to permit power management control ECU to start hybrid control system*2 / OK or NG
    OK: Hybrid control system start permission request signal from certification ECU (smart key ECU assembly) received by ID code box (immobiliser code ECU)
    NG: Hybrid control system start permission request signal not received by ID code box (immobiliser code ECU)
    If OK is not displayed, the immobiliser cannot be unset by the power management control ECU.
    3bit Code Request
    3-bit code request condition / OK or NG
    OK: 3-bit code request condition signal received (past)
    NG: 3-bit code request condition signal not received (past)
    -
    S Code Check
    S code verification result*3 / OK or NG
    OK: S code verification result normal
    NG: S code verification result abnormal
    Problems may be caused by the following:
    1. Registration has not been performed for the certification ECU (smart key ECU assembly) or ID code box (immobiliser code ECU).
    2. Malfunctions in the certification ECU (smart key ECU assembly) or ID code box (immobiliser code ECU).
    L Code Check
    L code verification result*4 / OK or NG
    OK: L code verification result normal
    NG: L code verification result abnormal
    Problems may be caused by the following:
    1. Registration has not been performed for the certification ECU (smart key ECU assembly) or transmission control ECU assembly.
    2. Malfunctions in the certification ECU (smart key ECU assembly) or transmission control ECU assembly.
    Unlock Request Receive
    Status of gearshift control unlock command from certification ECU (smart key ECU assembly)*5 / OK or NG
    OK: Certification ECU (smart key ECU assembly) sends gearshift control unlock command (within 10 seconds of power switch turned on (ACC) or on (IG), or of hybrid control system start operation performed)
    NG: Certification ECU (smart key ECU assembly) does not send gearshift control unlock command (power switch not turned on (ACC) or on (IG), and hybrid control system start operation not performed)
    If OK is not displayed even when the gearshift control unlock conditions are met, the certification ECU (smart key ECU assembly) may be malfunctioning.
    Lock Request Receive
    Status of gearshift control lock command from certification ECU (smart key ECU assembly)*6 / OK or NG
    OK: Certification ECU (smart key ECU assembly) sends gearshift control lock command (within 10 seconds of any door opened with park (P) selected and power switch off)
    NG: Certification ECU (smart key ECU assembly) does not send gearshift control lock command (no door opened with park (P) selected and power switch off)
    If OK is not displayed even when the gearshift control lock conditions are met, the certification ECU (smart key ECU assembly) may be malfunctioning.
    S Code Check (Past)
    S code verification result (past) / OK or NG
    OK: Verification confirmed (past)
    NG: Verification not confirmed (past)
    -
    L Code Check (Past)
    L code verification result (past) / OK or NG
    OK: Verification confirmed (past)
    NG: Verification not confirmed (past)
    -
    EFI Code Receive
    Certification information sent to ID code box (immobiliser code ECU) from power management control ECU when power management control ECU receives hybrid control system start permission signal from ID code box (immobiliser code ECU)*7 / OK or NG
    OK: Signal from power management control ECU to unset engine immobiliser received by ID code box (immobiliser code ECU)
    NG: Signal from power management control ECU to unset engine immobiliser not received by ID code box (immobiliser code ECU)
    -
    EFI communication
    State of communication to unset immobiliser between certification ECU (smart key ECU assembly) and power management control ECU / OK or NG
    OK: Communication to unset immobiliser has started between certification ECU (smart key ECU assembly) and power management control ECU
    NG: Communication to unset immobiliser has not started between certification ECU (smart key ECU assembly) and power management control ECU
    If the item displays "NG" even though the conditions to unset the immobiliser have been met and the Engine Start Request Data List item displays "OK", the power management control ECU may be malfunctioning. When the hybrid control system cannot be started, use this Data List item during troubleshooting.
    R Code Check
    State of code verification between certification ECU (smart key ECU assembly) and remote start ECU (when equipped on vehicle) / OK or NG
    OK: Code verification between certification ECU (smart key ECU assembly) and remote start ECU (when equipped on vehicle) normal
    NG: Code verification between certification ECU (smart key ECU assembly) and remote start ECU (when equipped on vehicle) abnormal
    When there is a problem related to the remote start ECU, use this Data List item during troubleshooting.

    HINT:
    1. *1: This indicates that there is a problem with the communication format between the key and certification ECU (smart key ECU assembly). Electric wave interference, key or certification ECU (smart key ECU assembly) malfunctions, the key of another vehicle being used, etc. are possible causes.
    2. *2: This indicates that the hybrid control system start permission request signal output from the certification ECU (smart key ECU assembly) is being received by the ID code box (immobiliser code ECU).
    3. *3: This indicates the certification results of the certification codes of the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU).
    4. *4: This indicates the certification results of the certification codes of the transmission control ECU assembly and ID code box (immobiliser code ECU).
      When the transmission control ECU assembly receives an unlock request from the certification ECU (smart key ECU assembly), confirmation of the ID code box (immobiliser code ECU) L code is performed. If the L code matches, the transmission control ECU assembly unlocks the gearshift control. Also, if the S code verification result does not match, the gearshift control will not be unlocked.
    5. *5: The certification ECU (smart key ECU assembly) outputs a gearshift control unlock request for 10 seconds after the power switch is turned on (ACC) or on (IG), or a hybrid control system start operation is performed.
    6. *6: The certification ECU (smart key ECU assembly) outputs a gearshift control lock request for 10 seconds after the power switch is turned off and any door is opened with park (P) selected.
    7. *7: This indicates that the ID code box (immobiliser code ECU) is receiving verification information from the power management control ECU. If the power management control ECU can send the information, the display changes to "OK".


ACTIVE TEST

HINT:
Using the intelligent tester to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

  1. Connect the intelligent tester to the DLC3.

  2. Turn the power switch on (IG).

  3. Turn the intelligent tester on.

  4. Enter the following menus: Body / Entry&Start / Active Test.

  5. According to the display on the intelligent tester, perform the Active Test.

    Entry&Start (Certification ECU (Smart Key ECU Assembly)) 
    Tester Display
    Test Part
    Control Range
    Diagnostic Note
    Immobiliser Indicator
    Security indicator light
    ON/OFF
    The test is possible when the following conditions are met:
    1. The key is in the cabin.
    2. The power switch is on (IG).