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:

    B260c steering lock unit
    Description The electronic steering column lock performs the check by itself according to the steering status. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Turn ignition switch OFF. 3. Press door switch ...

    Common item
     Diagnosis Description BCM CONSULT-III FUNCTION CONSULT-III performs the following functions via CAN communication with BCM. SYSTEM APPLICATION BCM can perform the following functions for each system. NOTE: It can perform the diagnosis modes except the following for all sub system ...

    P0420, P0430 Three way catalyst function
    DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage c ...