Circuit Description
When the ignition is switched On, the antenna that is integrated in
the theft deterrent module (immobilizer) is energized. The transponder key
contains a security code (transponder code) that is transmitted via the antenna
to the theft deterrent module. The theft deterrent module compares the received
code with the stored transponder code.
Conditions for Setting the DTC
The security code is not programmed in the theft deterrent module.
Action Taken When the DTC Sets
| • | The theft deterrent module stores a DTC 13 in memory. |
| • | The engine may not start. |
Conditions for Clearing the DTC
| • | The conditions for the fault are no longer present. |
| • | A history DTC will clear after 20 consecutive ignition
cycles if the condition for the fault is no longer present. |
| • | Use a scan tool in order to clear this DTC. |
Diagnostic Aids
Refer to Programming Replacement Keys, Ign Cyl, or ECM
for the security
code programming procedure.
