Nissan Sentra B18 (2020-2025) Service Manual: B1231-11 Dtrl Rh Pwr Sply Circ
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen items (Trouble diagnosis content) |
DTC detection condition |
||
|---|---|---|---|---|
|
B1231–11 |
DTRL RH PWR SPLY CIRC (Daytime running light right hand power supply circuit) |
[CIRCUIT SHORT TO GROUND] |
Diagnosis condition |
When daytime running light ON conditions are satisfied (Smart FET inside IPDM E/R is ON) |
|
Signal (terminal) |
Daytime running light RH power supply circuit |
|||
|
Threshold |
Overcurrent is detected |
|||
|
Diagnosis delay time |
1 second or less |
|||
POSSIBLE CAUSE
-
Harness or connector
-
Front combination lamp RH
-
LED (parking lamp/daytime running light)
-
Harness
-
-
IPDM E/R
FAIL-SAFE
Shuts off the power supply to the daytime running light RH power supply circuit until the daytime running light ON conditions are no longer satisfied.
Dtc Confirmation Procedure
DTC Confirmation Procedure
-
PRECONDITIONING
-
CONSULT-
Ignition switch ON.
-
Select “DTRL (RH) circ malfunctn” in “Data Monitor” mode of “IPDM E/R”.
-
Check the monitor status.
Monitor item
Monitor status
DTRL (RH) circ malfunctn
0
1
-
What is the monitor status?
“0”>>GO TO 2.
“1”>>A short circuit is detected multiple times in the daytime running light RH power supply circuit, and damage accumulates at the Smart FET inside the IPDM E/R. For this reason, IPDM E/R does not turn ON the Smart FET. Because the DTC cannot be reproduced in this state, refer to DTC Diagnosis Procedure and replace IPDM E/R after the malfunctioning part is repaired. Refer to Removal and Installation.
-
-
PERFORM DTC CONFIRMATION PROCEDURE
-
CONSULT-
Ignition switch OFF.
-
Start the engine.
-
Select “Self Diagnostic Result” mode of “IPDM E/R”.
-
Check DTC.
-
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
-
CHECK DAYTIME RUNNING LIGHT RH POWER SUPPLY CIRCUIT (SHORT)
-
-
Ignition switch OFF.
-
Disconnect IPDM E/R connector and front combination lamp RH connector.
-
Check continuity between IPDM E/R harness connector and ground.
IPDM E/R
—
Continuity
Connector
Terminal
E44
58
Ground
No
-
Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair or replace harness.
-
-
CHECK DAYTIME RUNNING LIGHT RH POWER SUPPLY
-
CONSULT-
Connect IPDM E/R connector.
-
Ignition switch ON.
-
Turn lighting switch 1ST.
-
Select “DAYTIME RUNNING LIGHT” in “Active Test” mode of “IPDM E/R”.
-
With operating the test item, check voltage between front combination lamp RH harness connector and ground.
+
-
Test item
Voltage
(Approx.)
Front combination lamp RH
Connector
Terminal
E38
5
Ground
DAYTIME RUNNING LIGHT
On
Battery voltage
Off
0V
-
Is the inspection result normal?
YES >>GO TO 3.
NO >>Replace IPDM E/R. Refer to Removal and Installation.
-
-
CHECK DAYTIME RUNNING LIGHT RH
-
Check the daytime running light RH. Refer to Component Inspection.
Is the inspection result normal?
YES >>Inspection End.
NO >>Repair or replace the malfunctioning part.
-
Other materials:
Power Outlet. Preparation. Preparation. Special Service Tool
Preparation. Special Service Tool
Special Service Tool
Special Service Tool
The actual shape of the tools may differ from those
illustrated here.
Tool number
(TechMate No.)
Tool name
&nb ...
Power Outlet. Service Data and Specifications (sds). Service Data and Specifications (sds). Power Socket
Service Data and Specifications (sds). Power Socket
Power Socket
Power Socket
Rated voltage
DC 12 V
Maximum electric
capacity
120 ...
P0715-00 Input Speed Sensor a
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
conditi ...