Schematic
Refer to
Theft Deterrent Control Module
schematic
Circuit Description
The theft deterrent controller module checks memory to see if the Learn Coded Key setting is on. If so, the theft deterrent controller module sets this DTC.
Running the DTC
The theft deterrent controller module must see the ignition switch input. The theft deterrent controller module can not have a B1327 set as a current DTC.
Conditions for Setting the DTC
If the Learn Coded Key setting is on, the theft deterrent controller module sets this DTC.
Action Taken When the DTC Sets
The theft deterrent controller module will learn the key code. The theft deterrent controller module will illuminate the security indicator.
Conditions for Clearing the MIL/DTC
The theft deterrent controller module clears the current status of the DTC when it does not see the Learn Coded Key setting as on. The DTC will still be retrieved as current until the ignition switch is cycled. The DTC will become a history DTC at that time.
Test Description
The numbers below refer to the step numbers on the diagnostic table.
Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform A Diagnostic System Check - Theft Deterrent ? | Go to Step 2 | |
Perform the theft deterrent controller module learn Procedure. Refer to Programming Replacement Keys, Ignition Cylinder, or Powertrain Control Module . Important: If a 10 Minute or 30 Minute Re-Learn Procedure is performed, all keys not learned at that time will be erased and will not be recognized. Perform the Quick Learn Procedure on all keys or instruct the customer how to perform the Quick Learn Procedure. Is the procedure complete? | Go to Step 3 | -- | |
3 |
Does the DTC reset? | Go to Step 2 | System OK |
