Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / B2626 Outside Antenna

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / B2626 Outside Antenna

DTC Description

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.

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC Detection Condition
B2626

OUTSIDE ANTENNA

(Outside antenna) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold An excessive high or low voltage from outside key antenna RH is sent to BCM
Diagnosis delay time —

POSSIBLE CAUSE

  • BCM

  • Outside key antenna (RH)

  • Harness or connector [Outside key antenna (RH) circuit is open or shorted.]

FAIL-SAFE

–

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Select “Self Diagnostic Result” mode of “BCM”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

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 OUTSIDE KEY ANTENNA INPUT SIGNAL 1

  1. Ignition switch OFF.

  2. Check signal between BCM harness connector and ground using oscilloscope.

    (+) (–) Condition

    Signal

    (Reference value)
    BCM
    Connector Terminal
    M80 114 Ground When the passenger door request switch is operated with ignition switch OFF. When Intelligent Key is in the antenna detection area. (The distance between Intelligent Key and antenna: 80 cm or less.)

    When Intelligent Key is not in the antenna detection area. (The distance between Intelligent Key and antenna: Approx. 2 m.)

    115 Ground When the passenger door request switch is operated with ignition switch OFF. When Intelligent Key is in the antenna detection area. (The distance between Intelligent Key and antenna: 80 cm or less.)

    When Intelligent Key is not in the antenna detection area. (The distance between Intelligent Key and antenna: Approx. 2 m.)

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK OUTSIDE KEY ANTENNA CIRCUIT

  1. Disconnect BCM connector and outside key antenna (RH) connector.

  2. Check continuity between BCM harness connector and outside key antenna (RH) harness connector.

    BCM Outside key antenna (RH) Continuity
    Connector Terminal Connector Terminal
    M80 114 D115 1 Yes
    115 2

  3. Check continuity between BCM harness connector and ground.

    BCM Ground Continuity
    Connector Terminal
    M80 114 No
    115

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness.

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2

  1. Replace outside key antenna (RH). (New antenna or other antenna)

  2. Connect BCM connector and outside key antenna (RH) connector.

  3. Check signal between BCM harness connector and ground using oscilloscope.

    (+) (–) Condition

    Signal

    (Reference value)
    BCM
    Connector Terminal
    M80 114 Ground When the passenger door request switch is operated with ignition switch OFF. When Intelligent Key is in the antenna detection area. (The distance between Intelligent Key and antenna: 80 cm or less.)

    When Intelligent Key is not in the antenna detection area. (The distance between Intelligent Key and antenna: Approx. 2 m.)

    115 Ground When the passenger door request switch is operated with ignition switch OFF. When Intelligent Key is in the antenna detection area. (The distance between Intelligent Key and antenna: 80 cm or less.)

    When Intelligent Key is not in the antenna detection area. (The distance between Intelligent Key and antenna: Approx. 2 m.)

Is the inspection result normal?

YES>>

Replace outside key antenna (RH). Refer to Removal and Installation.

NO>>

Replace BCM. Refer to Removal and Installation.

    B26ff Intelligent Tuner Comm Err

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition B26FF INTELLIGENT TUNER COMM ERR (Intelligent tuner communication error) Diagnosis condition When ignition switch is ON...

    U1320 Reprogramming

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition U1320–06 REPROGRAMMING (Automatic back door reprogramming) Diagnosis condition All times Signal (terminal) – Threshold When the automatic back door control module configuration is not successful Diagnosis delay time – U1320–42 REPROGRAMMING (Automatic back door reprogramming) Diagnosis condition All times Signal (terminal) – Threshold When the automatic back door control module configuration is not successful Diagnosis delay time – U1320–51 REPROGRAMMING (Automatic back door reprogramming) Diagnosis condition All times Signal (terminal) – Threshold When the automatic back door control module configuration is not successful Diagnosis delay time – POSSIBLE CAUSE Improper installation of back door assembly [CALIBRATION OF AUTOMATIC BACK DOOR POSITION INFORMATION]: not complete Back door mechanism Automatic back door control module Harness or connectors FAIL-SAFE— DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...

    Other information:

    Nissan Murano (Z52) 2015-2024 Owners Manual: Before starting the engine


    Make sure the area around the vehicle is clear. Check fluid levels such as engine oil, coolant, brake fluid, and windshieldwasher fluid as frequently as possible, or at least whenever you refuel. Check that all windows and lights are clean...

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


    System Description SYSTEM DIAGRAMTCU Input Signal (CAN Communication)Transmit unitSignal name Air bag diagnosis sensor unit Air bag crash order signal ABS actuator and electrical unit (Control unit) ABS malfunction signal BCM Door switches state signal Combination meter Nissan Murano Vehicle speed signal Hand brake switch signal ECM Engine RPM signal MIL lamp signal IPDM E/R Anti-theft horn status signal TCM Transmission range indication signal DESCRIPTION The Telematics system is a system for providing information by connecting the vehicle and the user to the NissanConnect center...

    Categories

    Driver and passenger supplemental knee air bag

    Nissan Murano. Driver and passenger supplemental knee air bag

    Driver’s side

    The knee air bag is located in the knee bolster, on the driver’s and passenger’s side. All of the information, cautions and warnings in this manual apply and must be followed. The knee air bag is designed to inflate in higher severity frontal collisions, although it may inflate if the forces in another type of collision are similar to those of a higher severity frontal impact. It may not inflate in certain collisions.

    Nissan Murano. Driver and passenger supplemental knee air bag

    Passenger’s side

    read more

     
    Copyright © 2025 www.nimurano.com