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.