Nissan Altima 2007-2012 Service Manual: Diag on can

Description

“Diag on CAN” is a diagnosis using CAN communication instead of previous DDL1 and DDL2 communication lines, between control units and diagnosis unit.

System Diagram

    Can communication system
    System Description • CAN communication is a multiplex communication system. This enables the system to transmit and receive large quantities of data at high speed by connecting control units wi ...

    Trouble diagnosis
    Condition of Error Detection “U1000” or “U1001” is indicated on SELF-DIAG RESULTS on CONSULT-III if CAN communication signal is not transmitted or received between units for 2 seconds or m ...

    Other materials:

    Evaporative emission system
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to the ECM via the CAN communication line. SYSTEM DESCRIPTION The evaporative emission system is used to ...

    On-vehicle maintenance
    ENGINE COOLANT System Inspection • Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure fluid escaping from the radiator. • Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pressure to escap ...

    ASCD Brake switch
    Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by those two types of input (ON/OFF signal). Refer to EC-1090, "System Diagram" for the ASCD function. Component Function C ...