Nissan Altima 2007-2012 Service Manual: ECU diagnosis

AIR CONDITIONER CONTROL

Reference Value

VALUES ON THE DIAGNOSIS TOOL

TERMINAL LAYOUT

PHYSICAL VALUES

Wiring Diagram - Air Conditioner Control (Auto) - Coupe

Wiring Diagram - Air Conditioner Control (Auto) - Sedan

    Power supply and ground circuit for front air control
    Description COMPONENT DESCRIPTION FRONT AIR CONTROL The front air control has a built-in microcomputer which processes information sent from various sensors needed for air conditioner operation. ...

    Other materials:

    B1017 – b1022 occupant classification system
    Description DTC B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM (OCS) The occupant classification system control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor the occupant classification system for control unit and sensor mat failures and ...

    AV Branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit side and connector side). I ...

    Blower unit
    Removal and Installation COMPONENTS 1. Heater and cooling unit 2. Blower unit Front REMOVAL 1. Remove the heater and cooling unit assembly. Refer to VTL-12, "Removal and Installation". 2. Disconnect the blower motor connector. 3. Remove the screws from the blower unit, the ...