Nissan Maxima Service and Repair Manual: P1611 ID discord, IMMU-ECM

Description

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.

ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON.

DTC Logic

DTC DETECTION LOGIC

NOTE:

  • If DTC P1611 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-29, "DTC Logic".

  • If DTC P1611 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-30, "DTC Logic".

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

  1.  Turn ignition switch ON under the following conditions:

    • CVT selector lever is in the P or N position.

    • Do not depress the brake pedal.

  2.  Check "Self Diagnostic Result" with CONSULT.

Diagnosis Procedure

1.PERFORM INITIALIZATION

Perform initialization with CONSULT. Re-register all Intelligent Keys.

For initialization and registration of Intelligent Key, refer to "CONSULT Immobilizer mode and follow the onscreen instructions.

    P1610 lock mode
    Description Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed. Prohibits the start of engine when an unregistered ID of Intelligent Key is us ...

    P1612 chain of ECM-IMMU
    Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM st ...

    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 ...

    Oil viscosity
    The engine oil viscosity or thickness changes with temperature. Because of this, it is important to select the engine oil viscosity based on the temperatures at which the vehicle will be operated before the next oil change. Choosing an oil viscosity other than that recommended could cause seri ...

    System description
    EPS SYSTEM System Diagram CONTROL DIAGRAM System Description The EPS system controls the power steering solenoid valvethrough the power steering control unit. The valve driving voltage to control the power steering solenoid valve varies according to the vehicle speed. OPERATION ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2022 Copyright www.nimainfo.com
    0.0059