Check Each Connection
If there are no problems in the inspections of 1 and 2 above, use "< Ref. to NAVIGATION in SYSTEM WIRING DIAGRAM . >" of the navigation device to perform inspection.
If there are no problems in the inspections of 1 and 2 above, use "< Ref. to NAVIGATION in SYSTEM WIRING DIAGRAM . >" of the navigation device to perform inspection.