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

DESCRIPTION

• When a door control transmitter assembly is inserted into the ignition key cylinder, the transponder key coil receives the key ID code and sends it to the transponder key ECU assembly.

• If an error in communication between the transponder key coil and transponder key ECU assembly occurs, this symptom may occur.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CLEAR DTC

   
   

   1. Clear the DTCs Click here.

   
   

   NEXT

2. CHECK FOR DTC

   
   

   1. Check for DTCs Click here.

      Result
      Result Proceed to DTCs are not output A DTCs are output B

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

3. READ VALUE USING INTELLIGENT TESTER (IMMOBILISER FUEL CUT)

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the intelligent tester on.

   4. Enter the following menus: Powertrain / Engine and ECT / Data List.

   5. Read the Data List according to the display on the intelligent tester.

      Engine and ECT (ECM)

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Immobiliser Fuel Cut	Status of immobiliser fuel cut / ON or OFF	-	-

      OK
      OFF is displayed after the ignition switch to ON.

      Result
      Result Proceed to NG A OK B

   
   

   B

   GO TO SFI SYSTEM Click here

   A

4. CHECK SECURITY INDICATOR LIGHT OPERATION

   
   

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

      OK
      Security indicator light turns off.

      Result
      Result Proceed to NG A OK B

   
   

   B

   GO TO OTHER DIAGNOSIS PROCEDURE (Engine does not Start but Initial Combustion Occurs) Click here

   A

5. CHECK SECURITY INDICATOR LIGHT OPERATION

   
   

   1. Check that the security indicator light turns off when another registered door control transmitter assembly 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 door control transmitter assembly, 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 Engine cannot be started A Engine can be started B

   
   

   B

   REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY Click here

   A

   GO TO OTHER DIAGNOSIS PROCEDURE (Engine does not Start but Initial Combustion Occurs) Click here

7. REPLACE TRANSPONDER KEY COIL

   
   

   1. Replace the transponder key coil Click here.

   
   

   NEXT

8. CHECK WHETHER ENGINE STARTS

   
   

   1. Using another registered door control transmitter assembly, 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 Engine can be started A Engine cannot be started B

   
   

   B

   REPLACE TRANSPONDER KEY ECU ASSEMBLY Click here

   A

   END (TRANSPONDER KEY COIL WAS DEFECTIVE)

9. REPLACE TRANSPONDER KEY ECU ASSEMBLY

   
   

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

      Tech Tips

      Refer to Service Bulletin.

      Note

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

   
   

   NEXT

10. CHECK WHETHER ENGINE STARTS

    
    

    1. Using another registered door control transmitter assembly, 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 Engine can be started A Engine cannot be started B

    
    

    B

    REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY Click here

    A

    END (TRANSPONDER KEY ECU ASSEMBLY WAS DEFECTIVE)

11. REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY

    
    

    1. Replace the door control transmitter assembly.

       Note

       Key ID code registration is necessary when replacing the door control transmitter assembly, refer to Service Bulletin.

    
    

    NEXT

12. CHECK WHETHER ENGINE STARTS

    
    

    1. Using another registered door control transmitter assembly, 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 Engine can be started A Engine cannot be started B

    
    

    B

    GO TO SFI SYSTEM Click here

    A

    END (DOOR CONTROL TRANSMITTER ASSEMBLY WAS DEFECTIVE)