Lancer L4-2.0L (4B11) (2008)
Steering Mounted Controls Assembly: Symptom Related Diagnostic Procedures
Trouble Symptom Chart
Inspection Procedure 1
Inspection Procedure 1: Steering Wheel Audio Remote Control Switch does not Function. <Vehicles without MMCS>
CAUTION: Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
Steering Wheel Audio Remote Control Switch Circuit (Part 1)