Nissan Maxima Service and Repair Manual: U1218 AV control unit

U1216 AV control unit

Description Replace the AV control unit if this DTC is displayed. Part name  Description  AV CONTROL UNIT  It is the master unit of the MULTI AV system ...

U121D AV control unit

DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (CD) U121E AV CONTROL UNIT DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (CD) U1225 AV CONTROL UNIT DTC Logic DTC DETEC ...

Other materials:

Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES Work Flow CUSTOMER INTERVIEW Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any customer' ...

System description
COMPRESSOR CONTROL FUNCTION Description PRINCIPLE OF OPERATION Compressor is not activated. Functional circuit diagram CAN (1): A/C switch signal : Blower fan motor switch signal CAN (2): A/C compressor request signal Functional initial inspection chart Fail-Safe FAIL-SAFE FUNCTION ...

C1712 - C1715, C1720 - C1723, C1724 - C1727 transmitter malfunction
Description One or more transmitters are malfunctioning internally. DTC Logic NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.  Activate and display TPMS transmitter IDs   ...