INSPECTION PROCEDURE 11: The Menu Operation Is Possible Even During Driving. /The Current Position Display (Vehicle Mark) does Not Move (The Mark Sometimes Moves By Leaping): Notes

CAUTION: Before replacing the navigation unit, ensure that the power supply circuit and the ground circuit are normal. (Check that the voltage is 10 V or more.)

Fig 1: Navigation Unit Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.