Nissan Sentra B18 (2020-2025) Service Manual: B2e4f Bcm Pairing
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
|
|---|---|---|---|
|
B2E4F-08 |
BCM pairing (BCM pairing) |
Diagnosis condition |
When ignition switch is ON |
|
Signal (terminal) |
BCM CAN signal |
||
|
Threshold |
— |
||
|
Diagnosis delay time |
— |
||
POSSIBLE CAUSE
-
After TCU replacement, Intelligent Key registration has not been performed
-
TCU-BCM pairing during Intelligent Key registration has not been performed
FAIL-SAFE
Remote engine start functions cannot be used
Confirmation Procedure
Confirmation Procedure
-
PERFORM DTC CONFIRMATION PROCEDURE
-
CONSULT-
Ignition switch ON.
-
Ignition switch OFF and wait at least 30 seconds.
-
Ignition switch ON and wait at least 30 seconds or more.
-
Select “Self Diagnostic Result� mode of “IVC�.
-
Check DTC.
-
Is DTC B2E4F–08 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
-
RE-REGISTER INTELLIGENT KEYS
-
Re-register all Intelligent Keys. For initialization and registration of Intelligent Keys, refer to CONSULT Immobilizer mode and follow the on-screen instructions.
GO TO 2.
-
-
PERFORM SELF DIAGNOSTIC RESULT
-
CONSULT-
Erase “Self Diagnostic Result� mode of “IVC�.
-
Ignition switch OFF –> ON.
-
Select “Self Diagnostic Result� mode of “IVC�.
-
Check DTC.
-
Is DTC B2E4F–08 detected?
YES>>Replace TCU. Refer to Removal and Installation.
NO>>Inspection End.
-
Other materials:
Unit Disassembly and Assembly. Combination Meter
Combination Meter
Exploded View
Exploded View
1.
Front cover
2.
Combination meter
...
Ambient Sensor Signal Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK AMBIENT SENSOR POWER
SUPPLY
Ignition switch OFF.
Disconnect ambient sensor harness
connector.
...
Fuses
The Nissan Sentra uses four different types of fuses to protect the electrical
circuits from overload and short circuits. Each fuse type is designed for a specific
fuse box location and electrical load.
Type A fuses are used exclusively in the passenger compartment fuse box and are
design ...