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:

Meter control switch
Removal and Installation REMOVAL  Disconnect the negative battery terminal. Refer to PG-67, "Removal and Installation (Battery)".  Remove the cluster lid A. Refer to IP-16, "Removal and Installation".  Detach the combination meter control switch harnes ...

Wiring diagram
BCM (BODY CONTROL MODULE) Wiring Diagram ...

DTC B2205 vehicle speed circuit
Description The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via CAN communication lines. DTC Logic Diagnosis Procedure Symptom: Displays "VEHICLE SPEED CIRC [B2205]" as a self-diagnosis result of combination meter. 1.CHECK COMBI ...