Step  | Action  | Yes  | No  | 
|---|---|---|---|
DEFINITION: The lock system does not allow the key to rotate out of the OFF position.  | |||
1  | Did you review the Steering Wheel and Column Description and Operation?  | Go to Step 2  | Go to Steering Wheel and Column Description and Operation in Steering Wheel and Column.  | 
2  | Verify that the ignition lock system does not unlock. Does the ignition lock system operate normally?  | System OK  | Go to Step 3  | 
3  | Inspect for an incorrect, worn, or damaged key. Is the key incorrect, worn, or damaged?  | Go to Step 7  | Go to Step 4  | 
4  | Inspect for a faulty ignition lock cylinder. Is the ignition lock cylinder damaged?  | Go to Step 8  | Go to Step 5  | 
5  | Inspect the ignition lock cylinder housing for damage. Is the ignition lock cylinder housing damaged?  | Go to Step 9  | Go to Step 6  | 
6  | Inspect the ignition switch assembly for damage. Is the ignition switch assembly damaged?  | Go to Step 10  | Verify customer concern, go to Strategy Based Diagnosis in General information.  | 
7  | Replace the key. Refer to Replacing Keys in Theft Deterrent. Did you complete the repair?  | Go to Step 11  | --  | 
8  | Replace the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement in Steering Wheel and Column. Did you complete the repair?  | Go to Step 11  | --  | 
9  | Replace the steering column assembly. Refer to Steering Column Replacement in Steering Wheel and Column. Did you complete the repair?  | Go to Step 11  | --  | 
10  | Replace the ignition switch. Refer to Ignition and Start Switch Replacement in Steering Wheel and Column. Did you complete the repair?  | Go to Step 11  | --  | 
11  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  |