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:
Right Knee Air Bag Module
Exploded View
Exploded View
1.
Right knee air bag
module
Front
...
P0500 Vss
Dtc Description
DTC Description
ECM receives vehicle speed signals from two different paths via
CAN communication line: One is from the ABS actuator and electric unit (control
unit) via the combination unit and the other is from TCM.
DTC DETECTION LOGIC
...
Operation
Switch Name and Function
Switch Name and Function
STEERING SWITCH
The steering switch is located on the steering
wheel.
Transmits the steering switch signal to the
combination meter.
...