Lancer L4-2.4L (4B12) (2009)
Ignition Switch: Symptom Related Diagnostic Procedures
Trouble Symptom Chart
Inspection Procedure 1
Inspection Procedure 1: Ignition key cylinder illumination light does not illuminate/extinguish normally. [vehicles with WCM]
CAUTION: Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
Ignition Key Cylinder Illumination Light Circuit [Vehicles With WCM] (Part 1)