Nissan Sentra B18 (2020-2025) Service Manual: B2e05 Air Bag Can

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Telematics System / Dtc/circuit Diagnosis / B2e05 Air Bag Can

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
B2E05-29	Air Bag CAN (Air Bag CAN)	Diagnosis condition	When ignition switch is ON
		Signal (terminal)	CAN communication signal
		Threshold	Transmission or reception error
		Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

Telematics system does not operate

Confirmation Procedure

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Ignition switch ON.
  2. Ignition switch OFF and wait at least 30 seconds.
  3. Ignition switch ON and wait at least 30 seconds or more.
  4. Select “Self Diagnostic Result” mode of “IVC”.
  5. Check DTC.
Is DTC B2E05–29 detected?
YES>>
Proceed to DTC Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

PERFORM CAN COMMUNICATION TROUBLE DIAGNOSIS
1. Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace harness or connector.
CHECK THE AIR BAG DIAGNOSIS SENSOR UNIT
1. CONSULT
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “AIR BAG”.
  3. Check DTC.
Is any DTC detected?
YES >>
Perform diagnosis on the detected DTC. Refer to DTC Index.
NO >>
GO TO 3.
PERFORM CONFIRMATION PROCEDURE AGAIN
1. CONSULT
  1. Ignition switch ON.
  2. Erase DTC.
  3. Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
Is DTC B2E05–29 detected again?
YES >>
Replace TCU. Refer to Removal and Installation.
NO >>
Inspection End.

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