Nissan Maxima Service and Repair Manual: U1000 CAN comm circuit

Description

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

CAN Communication Signal Chart, refer to LAN-24, "CAN Communication Signal Chart".

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure

1.PERFORM SELF DIAGNOSTIC

  1.  Turn ignition switch ON and wait for 2 seconds or more.

  2.  Check "Self Diagnostic Result".

    DTC/circuit diagnosis
    ...

    U1010 control unit (CAN)
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. REPLACE BCM When DTC U1010 is detected, replace BCM.  Replace BCM. Refer to BCS-79, "Removal and Installation". ...

    Other materials:

    Turning the FEB system on/off
    Perform the following steps to turn the FEB systems ON or OFF. 1. Press the   button until "Settings" displays in the vehicle information display and then press OK button. Use the  button to select "Driver Assistance". Then press the OK button. 2. Select "Emergency Brake" ...

    Door locks/unlocks precaution
    Do not push the door handle request switch with the Intelligent Key held in your hand as illustrated. The close distance to the door handle will cause the Intelligent Key system to have difficulty recognizing that the Intelligent Key is outside the vehicle. After locking with the ...

    Anti-lock Braking System (ABS)
    WARNING The ABS is a sophisticated device, but it cannot prevent accidents resulting from careless or dangerous driving techniques. It can help maintain vehicle control during braking on slippery surfaces. Remember that stopping distances on slippery surfaces will be longer than on norma ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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