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:

    Reclining switch
    Description Reclining switch is equipped to the power seat switch LH on the seat frame. The operation signal is input to the driver seat control unit when the reclining switch is operated. Component Function Check 1.CHECK FUNCTION Select "RECLN SW-FR", "RECLN SW-RR" in "DATA MONITOR" mode ...

    Differential side oil seal
    Exploded View  RH differential side oil seal  LH differential side oil seal  Transaxle assembly Apply CVT Fluid NS-2 Removal and Installation REMOVAL  Remove front fender protector side cover. Refer to EXT-16, "Removal and Installatio ...

    C1729 vehicle speed signal
    Description The vehicle speed signal is not being detected by the BCM. DTC Logic NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.  Activate and display TPMS transmitter IDs &nb ...

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