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 vehicles are equipped with many electronic control units, 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

Nissan Maxima. 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. Special Repair Requirement 1. REQUIRED WORK WHEN REPLACING BCM Initialize NVIS b ...

    Other materials:

    Both side headlamps do not switch to high beam
    Description The headlamps (both sides) do not switch to high beam when the lighting switch is in the HI or PASS setting. Diagnosis Procedure 1.COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION Check the combination switch (lighting and turn signal switch). 2.CHECK HEADLAMP (HI) ...

    The seat belt warning continues sounding, or does not sound
    Description Seat belt warning does not sound even though driver seat belt is not fastened. Seat belt warning sounds even though driver seat belt is fastened. Diagnosis Procedure 1. CHECK WARNING CHIME OPERATION With the driver door open, turn lighting switch to 1st or 2nd position. 2. ...

    Wiring diagram
    AUTOMATIC DRIVE POSITIONER Wiring Diagram ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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