Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B203d-14 Inside Antenna

Nissan Rogue (T33) 2021-Present Service Manual / Body Exterior, Doors, Roof & Vehicle Security :: Door & Lock / Dtc/circuit Diagnosis :: B203d-14 Inside Antenna

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detecting condition
B203D-14

Inside antenna

(Inside antenna) 		Diagnosis condition Work supports “Inside/outside antenna diagnosis”: activated
Signal (terminal) Inside key antenna signal (Intelligent Key unit connector terminal: 33, 34)
Threshold Inside key antenna circuit is shorted to ground
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • Intelligent Key unit

  • Inside key antenna

  • Harness or connector (inside key antenna circuit is open or shorted)

FAIL-SAFE

–

DTC CONFIRMATION PROCEDURE

DTC CONFIRMATION

CONSULT

  1. Select “Inside/outside antenna diagnosis” in “Work supports” mode of “INTELLIGENT KEY”.

  2. Select “Self diagnosis result” mode of “INTELLIGENT KEY”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

  1. Ignition switch ON.

  2. Check signal between Intelligent Key unit harness connector and ground using oscilloscope.

    (+) (–) Condition

    Signal

    (Reference value)
    Intelligent Key unit
    Connector Terminal
    M184 33 Ground Press push-button ignition switch When Intelligent Key is in the passenger compartment

    When Intelligent Key is not in the passenger compartment

    34 When Intelligent Key is in the passenger compartment

    When Intelligent Key is not in the passenger compartment

Is the inspection result normal?

YES>>

Replace Intelligent Key unit. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK INSIDE KEY ANTENNA CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect Intelligent Key unit connector and inside key antenna connector.

  3. Check continuity between Intelligent Key unit harness connector and inside key antenna harness connector.

    Japan production models
    Intelligent Key unit Inside key antenna Continuity
    Connector Terminal Connector Terminal
    M184 33 B77 2 Yes
    34 1
    USA production models
    Intelligent Key unit Inside key antenna Continuity
    Connector Terminal Connector Terminal
    M184 33 B83 2 Yes
    34 1

  4. Check continuity between Intelligent Key unit harness connector and ground.

    USA production models
    Intelligent Key unit — Continuity
    Connector Terminal
    M184 33 Ground No
    34
    Japan production models
    Intelligent Key unit — Continuity
    Connector Terminal
    M184 33 Ground No
    34

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. (New antenna or other antenna)

  2. Connect Intelligent Key unit connector and inside key antenna connector.

  3. Ignition switch ON.

  4. Check signal between Intelligent Key unit harness connector and ground using oscilloscope.

    (+) (–) Condition

    Signal

    (Reference value)
    Intelligent Key unit
    Connector Terminal
    M184 33 Ground Press push-button ignition switch When Intelligent Key is in the passenger compartment

    When Intelligent Key is not in the passenger compartment

    34 When Intelligent Key is in the passenger compartment

    When Intelligent Key is not in the passenger compartment

Is the inspection result normal?

YES>>

Replace inside key antenna. Refer to Removal and Installation (Japan production models) or Removal and Installation (USA production models).

NO>>

Replace Intelligent Key unit. Refer to Removal and Installation.

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