Nissan Maxima Service and Repair Manual: U1000 Can comm circuit

DTC/Circuit diagnosis

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U1010 Control unit (CAN)

DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. REPLACE BCM When DTC U1010 is detected, replace BCM. ...

Other materials:

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 ...

Intelligent key system/engine start function symptoms
Symptom Table Engine cannot be started with all Intelligent Keys. CAUTION: Follow Trouble Diagnosis Flowchart referring to "SEC-4, "Work Flow"". Determine malfunctioning condition before performing this diagnosis. Check that vehicle is under the condition shown in "Conditio ...

Freeing a frozen door lock
To prevent a door lock from freezing, apply deicer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the remote keyless entry function on the Intelligent Key. Antifreeze In the winter when it is anticipated that the temperature will dr ...