For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
DEFINITION: The ignition lock cylinder will not allow the key to be turned to the LOCK position.
1 | Did you review the Steering Wheel and Column-Tilt Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Steering Wheel and Column - Tilt
2 | Verify that the lock system does not lock. Does the lock system lock? | System OK | Go to Step 3
3 | Does the vehicle have an automatic transmission? | Go to Step 4 | Go to Step 6
4 | Place the automatic transmission shift lever in Park. Does the lock system lock? | System OK | Go to Step 5
5 | Inspect the automatic transmission park lock cable for binding or damage. Is the automatic transmission park lock cable binding or damaged? | Go to Step 7 | Go to Step 6
6 | Inspect steering column lock and ignition switch cylinder for damage. Is the steering column lock and ignition switch cylinder damaged? | Go to Step 8 | Go to Step 2
7 | Replace the automatic transmission park lock cable. Refer to Shift Lock Control Cable Replacement in Shift Lock Control. Did you complete the repair? | Go to Step 9 | --
8 | Replace the steering column lock and ignition switch cylinder. Refer to Steering Column Lock and Ignition Switch Cylinder Replacement - On Vehicle . Did you complete the repair? | Go to Step 9 | --
9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2