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:

    Cluster lid D
    Removal and Installation REMOVAL Release the metal clips using a suitable tool, then position cluster lid D (1) aside. Disconnect the harness connectors, then remove cluster lid D (1). : Metal clip INSTALLATION Installation is in the reverse order of removal. ...

    Symptom diagnosis
    SQUEAK AND RATTLE TROUBLE DIAGNOSES Work Flow CUSTOMER INTERVIEW Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any customer' ...

    Vacuum lines
    Exploded View Clamp Installation arrow Vacuum hose Vacuum pipe Clip To intake manifold To brake booster Front Removal and Installation REMOVAL Disconnect the vacuum hose from the brake booster. Disconnect the vacuum hose from the intake manifold. Release the c ...

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