Code No. P0513: Immobilizer Malfunction <Vehicles except for Brazil>

FUNCTION

• Engine-ECU <M/T> or engine-A/T-ECU <A/T> sends or receives the control signals to or from immobilizer-ECU to certify the ignition key.
  

  note	If the registered ignition keys are close each other when starting the engine, radio interference may cause this code to be displayed. This code may be displayed when registering the key encrypted code.

TROUBLE JUDGMENT

• Ignition switch is in "ON" position.
  

• The check result of the immobilizer-ECU is not suitable for that of the engine-ECU <M/T> or engine-A/T-ECU <A/T>.
  

PROBABLE CAUSES

• Open/short circuit in immobilizer system circuit or loose connector contact
  
• Failed immobilizer-ECU
  
• Failed engine-ECU <M/T> or engine-A/T-ECU <A/T>
  

	Perform the troubleshooting of immobilizer system (Refer to GROUP 54A - Immobilizer System - Diagnosis Code Chart ).

	If diagnosis code P0513 output again after the MPI diagnosis code has been erased, replace the engine-ECU <M/T> or engine-A/T-ECU <A/T>.