Inspection Procedure 2: The USB adapter data cannot be replayed. (Vehicles with MMCS): Notes

WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Hands Free Module Communication Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.