Nissan Sentra B18 (2020-2025) Service Manual: B20bd-14 Battery Current Sensor
Dtc Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen items (Trouble diagnosis content) |
DTC Detection Condition |
|
|---|---|---|---|
|
B20BD–14 |
BATTERY CURRENT SENSOR (Battery current sensor) |
Diagnosis condition |
When ignition switch is ON. |
|
Signal (terminal) |
Battery current sensor signal |
||
|
Threshold |
Battery current sensor circuit is shorted to ground or open. |
||
|
Diagnosis delay time |
10 seconds or more. |
||
POSSIBLE CAUSE
-
Harness or connectors
-
Battery current sensor input signal (current) circuit is shorted (Ground)
-
Battery current sensor input signal (current) circuit is open
-
-
Battery current sensor
FAIL-SAFE
—
Confirmation Procedure
-
PERFORM COMPONENT FUNCTION CHECK
-
CONSULT-
Start engine and wait for 10 seconds or more.
-
Select “Self Diagnostic Result” mode of “IPDM E/R”.
-
Is the inspection result normal?
YES >>To check malfunction symptom before repair: Refer to Intermittent Incident.
YES >>Confirmation after repair: Inspection End.
NO >>Refer to DTC Diagnosis Procedure.
-
Dtc Diagnosis Procedure
-
CHECK BATTERY CURRENT INPUT SIGNAL CIRCUIT 1
-
-
Disconnect IPDM E/R connector.
-
Check the continuity between battery current sensor harness connector and ground.
Battery current sensor
—
Continuity
Connector
Terminal
E39
1
Ground
No
-
Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair or replace harness.
-
-
CHECK BATTERY CURRENT INPUT SIGNAL CIRCUIT 2
-
-
Disconnect battery current sensor connector.
-
Check the continuity between battery current sensor harness connector and IPDM E/R harness connector.
Battery current sensor
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E39
1
F98
97
Yes
-
Is the inspection result normal?
YES >>GO TO 3.
NO >>Repair or replace harness.
-
-
CHECK BATTERY CURRENT SENSOR
-
Refer to Component Inspection.
Is the inspection result normal?
YES>>Refer to Intermittent Incident. If the inspection result of the connector is normal then replace IPDM E/R. Refer to Removal and Installation.
NO>>Replace battery current sensor. Refer to Removal and Installation.
-
Other materials:
Starting System :: Basic Inspection. Diagnosis and Repair Work Flow
Diagnosis and Repair Work Flow
Work Flow (with 165-Dss-5000p)
Work Flow (With
165-DSS-5000P)
STARTING SYSTEM DIAGNOSIS WITH 165-DSS-5000P
To test the starting system, use the following
special service tool:
Battery and electrical diagnostic analyzer 165-DSS-5000P.
...
The seat belt reminder warning
continues sounding, or does not
sound
Description
Seat belt reminder warning does not sound.
Seat belt reminder warning sounds continuously.
Diagnosis procedure
1.Check seat belt warning lamp
Turn ignition switch on.
Check the operation of the seat belt warning lamp in the combination
meter.
Is the inspection ...
Front suspension assembly
Inspection
COMPONENT PART
Check the mounting conditions (looseness, backlash) of each component. Verify
the component conditions
(wear, damage) are normal.
Ball Joint Axial End Play
Set the front wheels in a straight-ahead position.
Hold the axle side of the transverse link, and check th ...