Nissan Maxima Service and Repair Manual: Outside key antenna

Nissan Maxima Service and Repair Manual / Body exterior, doors, roof & vehicle security / Door & lock / DTC/circuit diagnosis / Outside key antenna

Description

Detects whether Intelligent Key is outside the vehicle.

Integrated in front outside handle (driver side, passenger side) and installed in rear bumper.

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 vehicle Intelligent Key antenna signal strength

1. CHECK DOOR REQUEST SWITCH

Check that door request switch operates normally

2. CHECK FUNCTION

Be sure that Intelligent Key is in each outside key antenna detection range.

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 OUTSIDE KEY ANTENNA INPUT SIGNAL 1

Nissan Maxima. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

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

Nissan Maxima. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

2. CHECK OUTSIDE KEY ANTENNA CIRCUIT

Nissan Maxima. CHECK OUTSIDE KEY ANTENNA CIRCUIT

  1. Disconnect BCM and front outside handle connector.
  2. Check continuity between BCM connector and outside key antenna connector.
  3. Check continuity between BCM connector and ground

Nissan Maxima. CHECK OUTSIDE KEY ANTENNA CIRCUIT

Nissan Maxima. CHECK OUTSIDE KEY ANTENNA CIRCUIT

3. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2

Nissan Maxima. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2

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

Nissan Maxima. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2

4. CHECK INTERMITTENT INCIDENT

    Intelligent key warning buzzer
    Description Answers back and warns for an inappropriate operation. Component Function Check 1. CHECK FUNCTION With CONSULT Check Intelligent Key warning buzzer OUTSIDE BUZZER in Active Test mode ...

    Remote keyless entry receiver
    Description Receives Intelligent Key operation and transmits to BCM. Component Function Check 1. CHECK FUNCTION With CONSULT Check remote keyless entry receiver RKE OPE COUN1 in Data Monitor mod ...

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    Sunroof switch
    Description Transmits switch operation signal to sunroof motor assembly. Diagnosis Procedure 1.CHECK SUNROOF SWITCH INPUT SIGNAL Turn ignition switch ON. Check voltage between sunroof motor assembly harness connector and ground. 2.CHECK SUNROOF SWITCH CIRCUIT Turn ...

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    Description  The door ajar warning is displayed even though all of the doors and the trunk are closed.  The door ajar warning is not displayed even though a door or the trunk is ajar. Diagnosis Procedure 1.CHECK BCM INPUT SIGNAL Connect CONSULT and check the BC ...

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