ENGINE IMMOBILISER SYSTEM DATA LIST / ACTIVE TEST


  1. READ DATA LIST

    Tech Tips

    Using the intelligent tester's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch ON.

    3. Read the Data List by following the directions on the tester screen.

      Transponder key ECU:
      Item Measurement Item / Display (Range) Normal Condition Diagnostic Note
      IG SW Ignition switch signal / ON or OFF

      OFF: Ignition switch OFF or ACC

      ON: Ignition switch ON

      		 -
      Key SW Unlock warning switch signal / ON or OFF

      OFF: No key is in ignition key cylinder

      ON: Key is in ignition key cylinder

      		 -
      +B +B judgment / NORMAL or BREAK

      NORMAL: Battery supply is normal

      BREAK: Battery supply is malfunctioning

      		 -
      Antenna Coil Status Transponder key coil condition / NORMAL or FAIL

      NORMAL: Transponder key coil is normal

      FAIL: Transponder key coil is malfunctioning

      		 -
      Permit (Start) Engine starting control / OK or NG

      OK: Engine start is permitted

      NG: Engine start is not permitted

      		 -
      Immobiliser Immobiliser system status / SET or UNSET

      UNSET: Ignition switch ON

      SET: No key is in ignition key cylinder

      		 -
      Master Key Master key code signal / Unreg or Reg

      Unreg: Unmatched master key code is sent

      Reg: Registered master key code is sent

      		 -
      Sub Key Sub-key code signal / Unreg or Reg

      Unreg: Unmatched sub-key code is sent

      Reg: Registered sub-key code is sent

      		 -
      Bcc Malfunction Transponder chip signal / NG or OK

      NG: Incorrect data sent

      OK: Correct data sent

      		 -
      Abnormal Function Transponder chip data / NG or OK

      NG: Data error

      OK: Data OK

      		 -
      Different Encrypt Code Transponder chip data / NG or OK

      NG: Data error

      OK: Data OK

      		 -
      Different Serial Number Transponder chip data / NG or OK

      NG: Data error

      OK: Data OK

      		 -
      Frame Error Transponder chip data / NG or OK

      NG: Data error

      OK: Data OK

      		 -
      Response Transponder chip data / NG or OK

      NG: Data error

      OK: Data OK

      		 -
      Reg Code Space Full Key registration code memory space full / No or Yes

      No: Possible to register more key codes

      Yes: Cannot register any more key codes

      		 -
      Transponda M-Code Number of registered master keys / min.: 0, max.: 15 Number of registered master keys -
      Transponda S-Code Number of registered sub-keys / min.: 0, max.: 15 Number of registered sub-keys -

  2. PERFORM ACTIVE TEST

    Tech Tips

    Performing the intelligent tester's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time. The Data List can be displayed during the Active Test.


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch ON.

    3. Perform the Active Test by following the directions on the tester screen.

      Transponder key ECU:
      Item Test Details Diagnostic Note
      Security Indic Turn security indicator ON/OFF -