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:

    IPDM-E 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 IPDM E/R for damage, bend and loose connection (unit side and connector side). Is the i ...

    Basic inspection
    DIAGNOSIS AND REPAIR WORKFLOW Trouble Diagnosis Flow Chart Trouble Diagnosis Procedure INTERVIEW WITH CUSTOMER Interview with the customer is important to detect the root cause of CAN communication system errors and to understand vehicle condition and symptoms for proper trouble diagnosis. ...

    Warning signals
    To help prevent the vehicle from moving unexpectedly by erroneous operation of the Intelligent Key or to help prevent the vehicle from being stolen, a chime or buzzer sounds from inside and outside the vehicle and a warning is displayed in the instrument panel. When a chime or beep sounds or ...