Nissan Maxima Service and Repair Manual: U0100 lost communication (ECM A)

Nissan Maxima Service and Repair Manual / Transmission & driveline / Transaxle & transmission / DTC/circuit diagnosis / U0100 lost communication (ECM A)

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1.  Start the engine and wait for at least 5 seconds.
  2.  Check the first trip DTC.

Diagnosis Procedure

For the diagnosis procedure, refer to LAN-15, "Trouble Diagnosis Flow Chart".

    DTC/circuit diagnosis
    ...

    U1000 CAN comm circuit
    Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excelle ...

    Other materials:

    Periodic maintenance
    IN-CABIN MICROFILTER Removal and Installation REMOVAL Disengage the filter cover tab (1) by pushing up and pull out to remove the filter cover. Remove the in-cabin microfilter from the blower unit. INSTALLATION Installation is in the reverse order of removal. ...

    B2557 vehicle speed
    Description BCM receives the 2 vehicle speed signals via CAN communication. One signal is transmitted by the "combination meter". Another signal is transmitted by "ABS actuator and electric unit (control unit)". BCM compares both signals to detect the vehicle speed. DTC Logic DTC DETECTIO ...

    ECU diagnosis information
    CLIMATE CONTROLLED SEAT CONTROL UNIT Reference Value TERMINAL LAYOUT PHYSICAL VALUES Fail-safe Climate controlled seat control unit equips fail-safe function. When a malfunction occurs in the systems shown as per the following, climate controlled seat control unit stops output. ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0055