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:
Low Tire Pressure Warning Lamp Does Not Turn Off
Symptom Description
Symptom Description
The low tire pressure warning lamp does not turn
OFF after several seconds is passed after the engine starts.
Diagnosis Procedure
Diagnosis Procedure
CHECK TIRE PRESSURE
Ignition switch ...
Front Auxiliary Input Jacks
Diagnosis Procedure
Diagnosis Procedure
AUX JACK
CHECK AUX JACK HARNESS CONTINUITY
Ignition switch OFF.
Disconnect AV control unit connector and front
auxiliary input j ...
Diagnosis System (bcm)
Common Item
Consult Function (bcm - Common Item)
CONSULT Function (BCM - COMMON ITEM)
BCM
Refer to CONSULT Function (BCM - COMMON ITEM).
Int Lamp
Consult Function (bcm - Int Lamp)
CON ...