Nissan Murano: 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.

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Inside key antenna (console)

• Harness or connector

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

• BCM

FAIL-SAFE

—

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

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

2. Check BCM for DTC.

Is inside key antenna DTC detected?

Refer to DTC Diagnosis Procedure.

Inside key antenna (console) is OK.

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 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?

Replace BCM. Refer to Removal and Installation.

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?

GO TO 3.

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?

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

Replace BCM. Refer to Removal and Installation.