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:

    B2602 shift position
    Description BCM confirms the shift position with the following 2 signals. • CVT selector lever • Speed signal from meter DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-235, "DTC L ...

    B1xxx air bag diagnosis sensor unit
    Description DTC B1XXX AIR BAG DIAGNOSIS SENSOR UNIT The air bag diagnosis sensor unit will run self diagnostics when the ignition switch is turned ON. It has the potential to set many diagnostic trouble codes which will conform to the B1XXX format, but will not match any other SRS diagnosti ...

    Can communication circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CONNECTOR INSPECTION 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect all the unit connectors on CAN communication system. 4. Check terminals and connectors for damage, bend and loose con ...