Protege L4-2.0L DOHC (2003)
Door Lock Cylinder Switch: Testing and Inspection
DOOR KEY CYLINDER SWITCH INSPECTION
1. Raise the door glass completely.
2. Disconnect the negative battery cable.
3. Remove the passenger-side front door trim.
4. Remove the door screen.
5. Disconnect the door key cylinder switch connector.
6. Inspect for continuity between the door key cylinder switch terminals using an ohmmeter. If not as specified, replace the door key cylinder switch.
