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MMCS TSB Revision CHASSIS ELECTRICAL 54A-369 DIAGNOSIS TIPS CONCERNING THE 1. The precision of the GPS positioning is limited due to its operation principles. So, some of cus- Prior to troubleshooting, question your customer 2. If the system is not OK, diagnose the system according to the trouble symptom chart. SERVICE MODE M1546016600260 . HOW TO INITIATE THE SERVICE MODE 1. With the navigation system active, press and hold both the "NAVI" and "SET" buttons for 3.5 seconds. 2. The service mode will be initiated. Then "Service" screen will be displayed. . HOW TO TERMINATE THE SERVICE MODE If the operations below are done, the service mode will be ter- • If "Back" button is selected on "Service" screen, the service mode will terminate and then return to the previous screen. • If "NAVI" button is pressed with the service mode active, the service mode will terminate and change to the navigation . • Vehicle Signal Check • Monitor Check • Network/Connect Line Check • Speaker Check • Versions Indication • Sensor Check • Touch Switch Confirmation • CAN communication Confirmation • Memory Initialization • Versions Log Information . VEHICLE SIGNAL CHECK 1. Select "Vehicle Signal Check" on "Service" screen. AC611541 AB AC611544 Versions Log Information AB AC611541 AB |