For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
DEFINITION: The lock system will not allow the key to be turned to the OFF lock 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 lock. Does the ignition lock cylinder solenoid operate normally? | System OK | Go to Step 3
3 | Verify the operation of the ignition lock cylinder solenoid. Is the ignition lock cylinder solenoid and linkage operation smooth when manually operated? | Go to Step 4 | Go to Step 11
4 | Verify the electrical operation of the ignition lock cylinder solenoid. Refer to Ignition Can/Cannot Be Turned Off with Transmission in Any Gear . Does the ignition lock cylinder solenoid operate normally? | Go to Step 7 | Go to Step 5
5 | Inspect the lock cylinder solenoid plunger. Does the plunger exhibit scratches or signs of wear? | Go to Step 11 | Go to Step 6
6 | Inspect the ignition lock cylinder solenoid spring. Is the solenoid spring assembled and operating normally? | Go to Step 7 | Go to Step 9
7 | Inspect for a faulty lock cylinder or release button. Is the lock cylinder or release button damaged? | Go to Step 10 | Go to Step 8
8 | Inspect the ignition lock cylinder case. Is the case worn or damaged? | Go to Step 11 | Go to Step 12
9 | Replace the Ignition Lock Cylinder Solenoid and spring . Refer to Ignition Lock Cylinder Replacement . Did you complete the repair? | Go to Step 12 | --
10 | Replace the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement . Did you complete the repair? | Go to Step 12 | --
11 | Replace the ignition lock cylinder case housing. Refer to Ignition Lock Cylinder Case Replacement . Did you complete the repair? | Go to Step 12 | --
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2