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:

Diagnosis system [ABS actuator and electric unit (control unit)]
CONSULT Function (ABS) FUNCTION CONSULT can display each diagnostic item using the following diagnostic test modes. Diagnostic test mode Function ECU Identification ABS actuator and electric unit (control unit) part number can be read Self Diagnostic R ...

CAN communication circuit
Diagnosis Procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication system. Check terminals and connectors for damage, bend and loose connection. 2.CHECK HARNESS CON ...

B2632, B2633 air mix door motor (driver side)
Description COMPONENT DESCRIPTION Air Mix Door Motor (driver side) The air mix door motor (driver side) (1) is attached to the heater & cooling unit assembly. It rotates so that the air mix door is opened or closed to a position set by the A/C auto amp. Motor rotation is then ...