For 1990-2009 cars

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 and perform the necessary inspections? | Go to Step 2 | Go to Steering Wheel and Column Description and Operation
2 | Verify that the lock system does not unlock. Does the 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 lock cylinder. Is the lock cylinder damaged? | Go to Step 8 | Go to Step 5
5 | Inspect the ignition switch assembly for damage. Is the ignition switch assembly damaged? | Go to Step 10 | Go to Step 6
6 | Inspect the lock module assembly for looseness or binding. Is the lock module assembly loose or binding? | Go to Step 9 | Go to Step 11
7 | Replace the key. Refer to Key and Lock Cylinder Coding in General Information. Did you complete the repair? | Go to Step 11 | --
8 | Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement . Did you complete the repair? | Go to Step 11 | --
9 | Tighten or replace the lock module assembly mounting bolts. Refer to Fastener Tightening Specifications . Did you complete the repair? | Go to Step 11 | --
10 | Replace the ignition switch. Refer to Ignition and Start Switch Replacement . 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