Nissan Altima 2007-2012 Service Manual: Signal buffer system

System Diagram

System Description

• IPDM E/R reads the status of the oil pressure switch and transmits the oil pressure switch signal to BCM via CAN communication. Refer to PCS-11, "System Description".

• IPDM E/R receives the rear window defogger status signal from BCM via CAN communication and transmits it to ECM via CAN communication. Refer to PCS-11, "System Description".

    Power control system
    System Diagram System Description COOLING FAN CONTROL IPDM E/R controls cooling fans according to the status of the cooling fan speed request signal received from ECM via CAN communication. R ...

    Power consumption control system
    System Diagram System Description OUTLINE • IPDM E/R incorporates a power consumption control function that reduces the power consumption according to the vehicle status. • IPDM E/R ch ...

    Other materials:

    Can communication 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 in ...

    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. The air mix door motors, mode door motor, intake door motor, blower motor and compressor are then c ...

    P1564 ASCD steering switch
    Description ASCD steering switch has variant values of electrical resistance for each button. ECM reads voltage variation of switch, and determines which button is operated. Refer to EC-67, "System Description" for the ASCD function. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P ...