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

DTC/circuit diagnosis

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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:

Door switch
Description Detects door open/close condition. Component Function Check 1.CHECK FUNCTION With CONSULT Check door switches DOOR SW-DR, DOOR SW-AS in Data Monitor mode with CONSULT. Diagnosis Procedure 1.CHECK DOOR SWITCH INPUT SIGNAL Turn ignition switch OFF. Check signal between BCM c ...

ABS branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side). ...

P0460 fuel level sensor
Description The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the combination meter. The combination meter sends the fuel level sensor signal to the ECM via the CAN communication line. It consists o ...