Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System :: Intelligent Key System / Dtc/circuit Diagnosis / B2033-4a Dongle Ng

Nissan Sentra B18 (2020-2025) Service Manual: B2033-4a Dongle Ng

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detection condition
B2033–4A	DONGLE NG (Dongle not good)	Diagnosis condition	Ignition switch ON
		Signal (terminal)	CAN communication signal
		Threshold	The ID verification results NG
		Diagnosis delay time	1 second or more

POSSIBLE CAUSE

Harness or connector

(The CAN communication line is open or shorted)
Intelligent Key unit
EPS control unit

FAIL-SAFE

—

Dtc Confirmation Procedure

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “HANDS FREE MODULE”.
Is the DTC detected?
YES>>
Refer to DTC Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirm after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

PERFORM INITIALIZATION
1. CONSULT
  1. Perform initialization of Intelligent Key unit and registration of all Intelligent Keys.
    
    For initialization and registration procedures, refer to CONSULT immobilizer mode and follow the on-screen instructions.
  2. Start the engine.
Dose the engine start?
YES >>
Inspection End.
NO >>
GO TO 2.
REPLACE INTELLIGENT KEY UNIT
1. Replace Intelligent Key unit. Refer to Removal and Installation.
Is the DTC detected?
YES >>
GO TO 3.
NO >>
Inspection End.
REPLACE EPS CONTROL UNIT
1. Replace EPS control unit. Refer to Removal and Installation.
>>
Inspection End.

 P161e Immobilizer

Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition P161E IMMOBILIZER (Immobilizer) Diagnosis co...

 B2070-68 Key Registration

Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B2070–68 Key registration (Key registratio...

Other materials:

Removal and Installation
Av Control Unit Exploded View Exploded View 1. AV control unit bracket (LH) 2. AV control unit ...

Knock Sensor
Component Inspection Component Inspection CHECK KNOCK SENSOR Turn ignition switch OFF. Disconnect knock sensor harness connector. Check resistance between knock sensor terminals ...

U214f Can Comm Err (bcm)
Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition ...