Pinpoint Test H: The Ignition Lock Cylinder Is Difficult To Turn
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
The ignition lock cylinder mechanically rotates the ignition switch within the ignition lock cylinder housing. Insertion and extraction of the key and rotation of the lock cylinder using a correctly cut key should be smooth and require minimal effort.
Possible Sources
- Key
- Ignition switch
- Ignition lock cylinder
- H1 CHECK THE KEY
- Inspect the key for an incorrect cut, burrs or damage.
Is the key correctly cut and free of burrs and damage?
Yes GO to H2 No REPLACE and, if equipped with a PATS, PROGRAM a new key. REFER to: Anti-Theft Key Programming - Scan Tool . - H2 CHECK THE IGNITION LOCK CYLINDER OPERATION
- Insert the key into the ignition lock cylinder and rotate the key through all ignition switch positions.
Does the key rotate through all ignition switch positions without excessive effort?
Yes The mechanical function of the ignition lock cylinder is OK. No GO to H3 - H3 CHECK THE IGNITION LOCK CYLINDER WHILE INSERTING THE KEY
- Remove the ignition lock cylinder.
Does the key insert and remove freely into the ignition lock cylinder?
Yes GO to H4 No INSTALL a new ignition lock cylinder. REFER to: Ignition Switch - Vehicles With: Keyed Ignition . - H4 CHECK THE IGNITION LOCK CYLINDER FOR BINDING ROTATION
Does the ignition lock cylinder rotate freely?Yes INSTALL a new ignition switch. REFER to: Ignition Switch - Vehicles With: Keyed Ignition . No INSTALL a new ignition lock cylinder. REFER to: Steering Column Control Switch .