Lancer Sportback L4-2.4L (4B12) (2010)
YES : Replace the hands free module.
NO : Diagnose the radio and CD player [vehicles without MMCS] or multivision display [vehicles with MMCS] [vehicles without MMCS] or
[vehicles with MMCS]). (Refer to [vehicles without MMCS] or [vehicles with MMCS[). See: Sensors and Switches - Accessories and Optional
Equipment/Steering Mounted Controls Assembly/Testing and Inspection/Symptom Related Diagnostic Procedures/Trouble Symptom Chart
Inspection Procedure 4
Inspection Procedure 4: Even when the steering wheel voice control switch is operated, the conversation is not possible.
CAUTION: Before replacing the module, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
Steering Wheel Voice Controln Switch Circuit [Vehicles without MMCS]