Inspection Procedure 4: Even when the steering wheel voice control switch is operated, the conversation is not possible: Notes

CAUTION: Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.

Fig 1: Steering Wheel Voice Control Switch Circuit Diagram (Vehicles Without MMCS)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Steering Wheel Voice Control Switch Circuit Diagram (Vehicles with MMCS)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.