Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / B2622 Inside Antenna

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / B2622 Inside 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
B2622

INSIDE ANTENNA

[(Inside key antenna (console)] 		Diagnosis condition When ignition switch is ON.
Signal (terminal) BCM terminals 116, 128
Threshold An excessive high or low voltage from inside key antenna (console) is sent to BCM
Diagnosis delay time —

POSSIBLE CAUSE

  • Inside key antenna (console)

  • Harness or connector

    [Inside key antenna (console) circuit is open or shorted]

  • BCM

FAIL-SAFE

—

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Select "Self Diagnostic Result" mode of "BCM".

  2. Check BCM for DTC.

Is inside key antenna DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

Inside key antenna (console) is OK.

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 INSIDE 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 116 Ground When Intelligent Key is in the antenna detection area.

    When Intelligent Key is not in the antenna detection area.

    128 Ground When Intelligent Key is in the antenna detection area.

    When Intelligent Key is not in the antenna detection area.

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK INSIDE KEY ANTENNA CIRCUIT

  1. Disconnect BCM connector and inside key antenna (console) connector.

  2. Check continuity between BCM harness connector and inside key antenna (console) harness connector.

    BCM Inside key antenna (console) Continuity
    Connector Terminal Connector Terminal
    M80 116 B83 1 Yes
    128 2

  3. Check continuity between BCM harness connector and ground.

    BCM Ground Continuity
    Connector Terminal
    M80 116 No
    128

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2

  1. Replace inside key antenna (console) (New antenna or other antenna).

  2. Connect BCM connector and inside key antenna (console) connector.

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

    (+) (–) Condition

    Signal

    (Reference value)
    BCM
    Connector Terminal
    M80 116 Ground When Intelligent Key is in the antenna detection area.

    When Intelligent Key is not in the antenna detection area.

    128 Ground When Intelligent Key is in the antenna detection area.

    When Intelligent Key is not in the antenna detection area.

Is the inspection result normal?

YES>>

Replace inside key antenna (console). Refer to Removal and Installation.

NO>>

Replace BCM. Refer to Removal and Installation.

    B261b Res Eng Run Stuck Malfunc

    DTC Description DTC DETECTION LOGICNOTE: If DTC B261B is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description...

    B26fd Shft Lck Slnoid Insid F/b Mlfnc

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition B26FD SHFT LCK SLNOID INSID F/B MLFNC (Shift lock solenoid inside feedback malfunction) Diagnosis condition When ignition switch is ON...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: P2610 Ecm Internal Timer


    DTC Description DESCRIPTIONThis ECM contains a timer and measures time between an ignition switch OFF and the next ignition switch ON. This enables the judging of the state of engine cooling at an engine start.DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P2610 ECM/PCM INTERNAL ENG OFF TIMER (ECM/PCM internal engine off timer performance) 1 Diagnosis condition — Signal (terminal) — Threshold ECM internal engine off timer is malfunctioning Diagnosis delay time — 2 Diagnosis condition — Signal (terminal) — Threshold The time calculated by ECM based on a descent allowance of engine coolant temperatures during ignition switch OFF is extremely shorter than the time counted by the Engine internal OFF timer Diagnosis delay time — POSSIBLE CAUSE ECM ECM power supply FAIL-SAFENot applicable DTC Confirmation Procedure INSPECTION START It is necessary to erase permanent DTC? YES>> GO TO 4...

    Nissan Murano (Z52) 2015-2024 Owners Manual: Brakes


    If the brakes do not operate properly, have the brakes checked. It is recommended that you visit a NISSAN dealer for this service. Self-adjusting brakes Your vehicle is equipped with self-adjusting brakes. The front and rear disc-type brakes selfadjust every time the brake pedal is applied...

    Categories

    Seatback pockets

    Nissan Murano. Seatback pockets

    Theremaybe one or two seatback pockets located on the back of the driver and passenger seats. The pockets can be used to store maps.

    WARNING

    read more

     
    Copyright © 2026 www.nimurano.com