ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System) Engine does not Start because No Initial Combustion

DESCRIPTION


WIRING DIAGRAM

A005HX8E03
*a Transponder Key Coil
*b Transponder Key ECU Assembly

CAUTION / NOTICE / HINT

Note


  • If the transponder key ECU assembly or key is replaced, refer to the Service Bulletin.

  • When using the GTS with the vehicle ignition switch off, connect the GTS to the vehicle and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Immobiliser. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTCs are not output.

    NG

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    OK

  3. READ VALUE USING GTS (IMMOBILISER FUEL CUT)


    1. Using the GTS, read the Data List Click here.

      Engine and ECT
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Immobiliser Fuel Cut Status of immobiliser fuel cut/OFF or ON - -
      OK
      OFF is displayed after the engine is started.
      Result
      Result Proceed to
      OK A
      NG (1NR-FE) B
      NG (1ND-TV) C

    B

    GO TO SFI SYSTEM Click here

    C

    GO TO ECD SYSTEM Click here

    A

  4. CHECK SECURITY INDICATOR LIGHT OPERATION


    1. Check that the security indicator light turns off when a registered key is inserted into the ignition key cylinder.

      OK
      Security indicator light turns off.

    NG

    GO TO ENGINE DOES NOT START BUT INITIAL COMBUSTION OCCURS Click here

    OK

  5. CHECK SECURITY INDICATOR LIGHT OPERATION


    1. Check that the security indicator light turns off when another registered key is inserted into the ignition key cylinder.

      OK
      Security indicator light turns off.

    NG

    REPLACE TRANSPONDER KEY COIL Click here

    OK

  6. CHECK WHETHER ENGINE STARTS


    1. Using another registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      Result
      Result Proceed to
      Engine cannot be started A
      Engine can be started B

    A

    GO TO ENGINE DOES NOT START BUT INITIAL COMBUSTION OCCURS Click here

    B

    REPLACE KEY Click here

  7. REPLACE TRANSPONDER KEY COIL


    1. Replace the transponder key coil Click here.


    NEXT

  8. CHECK WHETHER ENGINE STARTS


    1. Using a registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      OK
      Engine starts normally.

    OK

    END (TRANSPONDER KEY COIL WAS DEFECTIVE)

    NG

  9. REPLACE TRANSPONDER KEY ECU ASSEMBLY


    1. Replace the transponder key ECU assembly with a new one.

      Tech Tips

      Refer to the Service Bulletin.

      Note

      Key ID code registration is necessary when replacing the transponder key ECU assembly. Refer to the Service Bulletin.


    NEXT

  10. CHECK WHETHER ENGINE STARTS


    1. Using a registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      OK
      Engine starts normally.

    OK

    END (TRANSPONDER KEY ECU ASSEMBLY WAS DEFECTIVE)

    NG

  11. REPLACE KEY


    1. Replace the key.

      Note

      Key ID code registration is necessary when replacing the key. Refer to the Service Bulletin.


    NEXT

  12. CHECK WHETHER ENGINE STARTS


    1. Using a registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      OK
      Engine starts normally.
      Result
      Result Proceed to
      OK A
      NG (1NR-FE) B
      NG (1ND-TV) C

    A

    END (KEY WAS DEFECTIVE)

    B

    GO TO SFI SYSTEM Click here

    C

    GO TO ECD SYSTEM Click here