Nissan Maxima Service and Repair Manual: U121D AV control unit

U1207 AV control unit

DTC Logic Diagnosis Procedure 1.PERFORM THE SELF-DIAGNOSIS Delete the "self-diagnosis" results of "MULTI AV". Turn ignition switch OFF. Turn ignition switch ON. Perform the self-diagnos ...

U122A AV control unit

DTC Logic Diagnosis Procedure 1.PERFORM THE SELF-DIAGNOSIS When U122A is detected, write configuration data with "MULTI AV" of CONSULT. U122E AV CONTROL UNIT DTC Logic DTC DETECTION LOGIC ...

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Diagnosis system (bluetooth control unit)
Diagnosis Description The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically every ignition cycle during control unit initialization. The second diagnostic check is performed by the technician using the steering wheel audio control switches ...

Unexpected pedal reaction
Diagnosis Procedure 1.CHECK BRAKE PEDAL STROKE Check brake pedal stroke. 2.CHECK FUNCTION Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is normal in this condition.Connect connector after inspection. 3.CHECK WHEEL SENSOR AND SEN ...

Answer back horn feature
If desired, the answer back horn feature can be deactivated using the Intelligent Key. When it is deactivated and the LOCK  button is pushed, the hazard indicator lights flash twice. When the UNLOCK button is pushed, neither the hazard indicator lights nor the horn operates. NO ...