Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / Intelligent Key

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / Intelligent Key

Component Function Check

NOTE:

The Signal Tech II Tool [- (J-50190)] can be used to perform the following functions: Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength.

  • Confirm Nissan Murano vehicle Intelligent Key antenna signal strength.

CHECK FUNCTION

CONSULT

  1. Select “RKE OPE COUN1” in “Data Monitor” mode of “BCM(INTELLIGENT KEY)”.

  2. Check that the function operates normally according to the following conditions:

Monitor Item Condition
RKE OPE COUN1 Check that the numerical value is changing while operating the Intelligent Key.

Is the inspection result normal?

YES>>

Intelligent Key is OK.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

NOTE:

The Signal Tech II Tool [- (J-50190)] can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength.

  • Confirm Nissan Murano vehicle Intelligent Key antenna signal strength.

CHECK INTELLIGENT KEY FUNCTION

Check Intelligent Key function using Signal Tech II Tool [- (J-50190)] or Remote Keyless Entry Tester [- (J-43241)] (shown).

Does the test pass?

YES>>

Intelligent Key is OK.

NO>>

GO TO 2.

CHECK INTELLIGENT KEY COMPONENTS

  1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.

  2. Insert a flat-blade screwdriver (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the lower part.

    CAUTION:

    • Do not touch the circuit board or battery terminal.

    • The Intelligent Key is water-resistant. However, if it does get wet, immediately wipe it dry.

  3. Remove the Intelligent Key battery.

    CAUTION:

    • Keep dirt, grease, and other foreign materials off the electrode contact area.

  4. Visually inspect Intelligent Key internal components.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace malfunctioning parts.

CHECK INTELLIGENT KEY BATTERY

Check by connecting a resistance (approximately 300Ω) so that the current value becomes about 10 mA.

Standard : Approx. 2.5 - 3.0V

Is the measurement value within specification?

YES>>

Intelligent Key battery is OK. Check remote keyless entry receiver. Refer to Component Function Check.

NO>>

GO TO 4.

REPLACE INTELLIGENT KEY BATTERY

  1. Replace the Intelligent Key battery.

  2. Align the tips of the upper and lower parts, and then push them together until it is securely closed.

    CAUTION:

    • When replacing battery, keep dirt, grease, and other foreign materials off the electrode contact area.

  3. After replacing the battery, check that all Intelligent Key functions work properly.

Is the inspection result normal?

YES>>

Intelligent Key is OK.

NO>>

Check remote keyless entry receiver. Refer to Component Function Check.

    Intelligent Key Warning Buzzer

    Component Function Check CHECK FUNCTION CONSULT Select “OUTSIDE BUZZER” in “Active Test” mode of “BCM(INTELLIGENT KEY)”. Select “On” or “Off” to check that it works normally...

    Meter Buzzer Circuit

    Description The buzzer for the warning chime system is installed in the combination meter. The combination meter sounds the buzzer based on the signals transmitted from various units...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: System


    System Description SYSTEM DIAGRAMDISTANCE SENSOR (ICC SENSOR) INPUT/OUTPUT SIGNAL ITEMInput Signal Item Transmit unit Signal name Description ADAS control unit ITS communication ADAS sensor signal State of ADAS Output Signal Item Reception unit Signal name Description ADAS control unit ITS communication Distance sensor (ICC sensor) signal Transmits information for ICC ADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEMInput Signal Reception unit Signal name Description ECM CAN communication Engine speed signal Receives engine speed Accelerator pedal position signal Receives accelerator pedal position (angle) Closed throttle position signal Receives idle position state (ON/OFF) ICC prohibition signal Receives operable/inoperable state of the ICC system ICC steering switch signal Main switch signal Receives the operational state of the ICC steering switch SET/COAST switch signal CANCEL switch signal RESUME/ACCELERATE switch signal DISTANCE switch signal Stop lamp switch signal Receives an operational state of the brake pedal Brake pedal position switch signal Receives an operational state of the brake pedal TCM CAN communication Input speed signal Receives the number of revolutions of input shaft Output shaft revolution signal Receives the number of revolutions of output shaft Current gear position signal Receives a current gear position Shift position signal Receives a selector lever position ABS actuator and electric unit (control unit) CAN communication ABS malfunction signal Receives a malfunction state of ABS ABS operation signal Receives an operational state of ABS ABS warning lamp signal Receives an ON/OFF state of ABS warning lamp TCS malfunction signal Receives a malfunction state of TCS TCS operation signal Receives an operational state of TCS VDC OFF switch signal Receives an ON/OFF state of VDC VDC malfunction signal Receives an malfunction state of VDC VDC operation signal Receives an operational state of VDC Nissan Murano Vehicle speed signal (ABS) Receives wheel speeds of four wheels Stop lamp switch signal Receives an operational state of the brake pedal Yaw rate signal Receives yaw rate acting on Nissan Murano vehicle Combination meter CAN communication Parking brake switch signal Receives an operational state of the parking brake System selection signal Receives a selection state of AEB system Steering angle sensor CAN communication Steering angle sensor malfunction signal Receives a malfunction state of steering angle sensor Steering angle sensor signal Receives the number of revolutions and turning direction of the steering wheel Steering angle speed signal Receives the turning angle speed of the steering wheel Distance sensor (ICC sensor) ITS communication Distance sensor (ICC sensor) signal Receives detection information, such as the presence or absence of a leading Nissan Murano vehicle, and distance from the vehicle...

    Nissan Murano (Z52) 2015-2024 Service Manual: Distance Sensor (icc Sensor) Alignment


    Work Procedure Always perform the radar alignment after removing and installing or replacing the distance sensor.Application Notice Type Description TYPE 1 When using KV99112700 for radar alignment. Refer to Description. TYPE 2 When using 1-20-2851-1 for radar alignment...

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