Nissan Maxima Service and Repair Manual: B2622 inside key antenna 2

Description

Detects whether Intelligent Key is inside the vehicle.

Installed under the center console.

DTC Logic

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 vehicle Intelligent Key antenna signal strength

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Perform front console antenna INSIDE ANT DIAGNOSIS on "Work Support" of "INTELLIGENT KEY".
  2. Perform "INTELLIGENT KEY" Self Diagnostic Result.

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 vehicle Intelligent Key antenna signal strength

1. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 1

Nissan Maxima. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 1

  1. Turn ignition switch OFF.
  2. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 1

2. CHECK FRONT CONSOLE ANTENNA CIRCUIT

  1. Disconnect BCM and front console antenna connector.
  2. Check continuity between BCM connector and front console antenna connector.
  3. Check continuity between BCM connector and ground.

Nissan Maxima. CHECK FRONT CONSOLE ANTENNA CIRCUIT

Nissan Maxima. CHECK FRONT CONSOLE ANTENNA CIRCUIT

3. CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 2

Nissan Maxima. . CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 2

  1. Replace front console antenna (new antenna or other antenna).
  2. Connect BCM and front console antenna connector.
  3. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. . CHECK FRONT CONSOLE ANTENNA INPUT SIGNAL 2

    U1010 control unit (CAN)

    B2623 inside key antenna 3