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:

    Line pressure test
    Inspection and Judgment INSPECTION Line Pressure Test Port (A) Line Pressure Test Procedure 1. Inspect the amount of engine oil and replenish if necessary. 2. Drive the car for about 10 minutes to warm it up so that the CVT fluid reaches in the range of 50 to 80°C (122 to 176°F), then ...

    DLC 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 data link connector for damage, bend and loose connection (connector side and harness side) ...

    Combination switch reading system
    System Diagram System Description OUTLINE • BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the status of each switch. • BCM is a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5). It reads a ...