Navigation (Twin Monitor)

U121F AV CONTROL UNIT





Description
Replace the AV control unit if this DTC is displayed. Refer to Navigation (Twin 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 (Twin Monitor).
Is inspection result normal?
YES - INSPECTION END
NO - Repair malfunctioning parts.