Nissan Maxima Service and Repair Manual: U1227 AV control unit

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 ...

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 ...

Other materials:

The light reminder warning does not sound
Description Light reminder warning does not sound even though headlamp is illuminated. Diagnosis Procedure 1. CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) OPERATION Check that the headlamps operate normally by operating the combination switch (lighting and turn signal switch). ...

Diagnosis system (meter)
Diagnosis Description SELF-DIAGNOSIS MODE Odo/trip meter and information display segment operation can be checked in self-diagnosis mode. Meters/gauges can be checked in self-diagnosis mode. OPERATION PROCEDURE Turn the ignition switch OFF. While pushing the odo/trip meter switch, ...

Low brake fluid warning light
When the ignition switch is placed in the ON position, the light warns of a low brake fluid level. If the light comes on while the engine is running, with the parking brake not applied, stop the vehicle and perform the following: 1. Check the brake fluid level. Add brake fluid as necessary. ...