Incorrect Immobilizer Key

DTC 99 Incorrect Immobilizer Key

CIRCUIT DESCRIPTION

DTC Detecting Condition:

This DTC is output when an unregistered key is inserted. When this DTC is output, delete DTC and insert the key that a customer keeps to check that P0513/99 is output.

When a key that outputs P0513/99 is found, register this key. when P0513/99 is not output, there is a possibility that the unregistered key has been inserted before. (ECM is normal.)

Inquire a customer the condition of using the system to find the cause of the trouble. (Example: Another key has been inserted, etc..)

Step 1:

INSPECTION PROCEDURE