Nissan Altima 2007-2012 Service Manual: U1217 AV control unit

Description

Refer to AV-240, "System Description".

DTC Logic

DTC DETECTION LOGIC

    U1216 AV control unit
    Description Refer to AV-240, "System Description". DTC Logic DTC DETECTION LOGIC ...

    U1220 AV control unit
    Description Refer to AV-240, "System Description". DTC Logic DTC DETECTION LOGIC ...

    Other materials:

    Blower motor
    Description SYSTEM DESCRIPTION Component Parts Fan speed control system components are: • Front air control • A/C LAN system (PBR built-in mode door motor, air mix door motors and intake door motor) • In-vehicle sensor • Ambient sensor • Sunload sensor • Intake sensor • Fan ...

    Manual operation
    Fan speed control Press the fan control buttons to manually control the fan speed. Press the AUTO button to return to automatic control of the fan speed. Air recirculation Press the air recirculation button to recirculate interior air inside the vehicle. The indicator light on the b ...

    Tumble control valve control
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *: ECM determines the start signal status by the signals of engine speed and battery voltage. SYSTEM DESCRIPTION Tumble control valve has a valve portion in the intake passage of each cylinder. While idling and during low ...