Nissan Altima 2007-2012 Service Manual: 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. Refer to LAN-7, "System Description".

GENERATOR CONTROL

IPDM E/R outputs power generation command signal (PWM signal) to the generator according to the status of the power generation command value signal received from ECM via CAN communication. Refer to PCS-10, "System Description".

    Relay control system
    System Diagram System Description IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request signal ...

    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, "Syst ...

    Other materials:

    High-pressure flexible hose
    Removal and Installation for High-Pressure Flexible Hose QR25DE Removal 1. Discharge the refrigerant. Refer to HA-32, "HFC-134a (R-134a) Service Procedure". 2. Reposition the power steering reservoir out of the way without disconnecting the hose. 3. Reposition the engine coo ...

    AV control unit
    Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the AV control unit are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2.CHECK POWER SUPPLY CIRCUIT Check voltage between AV control unit h ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the dr ...