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Navigation (Single Monitor)


U121F AV CONTROL UNIT





Description
Replace the AV control unit if this DTC is displayed. Refer to Navigation (Single Monitor).









DTC Logic

DTC Logic:









Diagnosis Procedure
1.CHECK AV CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check AV control unit power supply and ground circuit. Refer to Navigation (Single Monitor).
Is inspection result normal?
YES - INSPECTION END
NO - Repair malfunctioning parts.