Nissan Maxima Service and Repair Manual: U121D AV control unit

U1218 AV control unit

DTC Logic U1219 AV CONTROL UNIT DTC Logic U121A AV CONTROL UNIT DTC Logic   U121B AV CONTROL UNIT DTC Logic U121C AV CONTROL UNIT DTC Logic ...

U1227 AV control unit

DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (DVD) U1228 AV CONTROL UNIT DTC Logic DTC DETECTION LOGIC U1229 AV CONTROL UNIT DTC Logic DTC DETECTION LOGIC ...

Other materials:

Key reminder function symptoms
Symptom Table KEY REMINDER FUNCTION MALFUNCTION NOTE: Before performing the diagnosis in the following table, check "Work flow". Refer to DLK-9, "Work Flow". If the following symptoms are detected, check systems shown in the "Diagnosis/service procedure" column in this or ...

EVAP control system pressure sensor
Removal and Installation REMOVAL  Remove rear stabilizer bar clamps and position rear stabilizer bar aside. Refer to RSU-13, "Removal and Installation".  Disconnect EVAP hose from EVAP canister.  Disconnect EVAP control system pressure sensor.  Remove EVAP control s ...

Warning function symptoms
Symptom Table WARNING FUNCTION MALFUNCTION NOTE: Before performing the diagnosis in the following table, check "WORK FLOW". Refer to DLK-9, "Work Flow". Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis, and check each sy ...