Nissan Sentra B18 (2020-2025) Service Manual: B2046-46 Eeprom
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen items (Trouble diagnosis content) |
DTC Detection Condition |
|
|---|---|---|---|
|
B2046–46 |
EEPROM (Electrically Erasable Programmable Read-Only Memory) |
Diagnosis condition |
Ignition switch ON |
|
Signal (terminal) |
— |
||
|
Threshold |
EEPROM in Intelligent Key unit is malfunctioning |
||
|
Diagnosis delay time |
1 second or less |
||
POSSIBLE CAUSE
Intelligent Key unit
FAIL-SAFE
—
Confirmation Procedure
Confirmation Procedure
-
PERFORM DTC CONFIRMATION PROCEDURE
-
CONSULT-
Erase DTC.
-
Ignition switch OFF.
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “HANDS FREE MODULE”.
-
Is DTC detected?
YES>>Refer 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
-
REPLACE INTELLIGENT KEY UNIT
-
When DTC “B2046–46” is detected, replace Intelligent Key unit.
Replace Intelligent Key unit. Refer to Removal and Installation.
-
Other materials:
Remote Keyless Entry Function
System Diagram
System Diagram
System Description
System Description
The Intelligent Key has the same functions as the
remote control entry system. Therefore, it can be used in the same
manner as the remote controller by operating the door lock/unlock
button.
OPERATION
Re ...
Brake Booster
Exploded View
Exploded View
1.
Brake booster
2.
Vacuum sensor
3.
Space ...
A/c Switch Assembly Signal Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK WITH SELF DIAGNOSTIC RESULT FUNCTION
CONSULT
Select “Self Diagnostic Result” mode of “HVAC”.
Check DTC.
...