Nissan Sentra B18 (2020-2025) Service Manual: Headlamp (hi) Circuit
Component Function Check
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CHECK HEADLAMP (HI) OPERATION
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CONSULT-
Select “HEADLAMP (HI)” in “Active Test” mode of “IPDM E/R”.
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Turn lighting switch 2ND.
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With operating the test item, check that the headlamp (HI) is turned ON.
On
: Headlamp (HI) ON
Off
: Headlamp (HI) OFF
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Is the inspection result normal?
YES>>Headlamp (HI) circuit is normal.
NO>>Refer to Diagnosis Procedure.
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Diagnosis Procedure
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CHECK HEADLAMP (HI) OUTPUT VOLTAGE
-
CONSULT
-
Ignition switch ON.
-
Turn lighting switch 2ND.
-
Select “HEADLAMP (HI)” in “Active Test” mode of “IPDM E/R”.
-
With operating the test item, check voltage between IPDM E/R harness connector and ground.
+
-
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
RH
E48
54
Ground
HEADLAMP (HI)
On
Battery voltage
Off
0V
LH
E44
59
On
Battery voltage
Off
0V
-
Is the inspection result normal?
YES >>GO TO 2.
NO >>GO TO 3.
-
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CHECK HEADLAMP (HI) POWER SUPPLY CIRCUIT (OPEN)
-
-
Ignition switch OFF.
-
Turn lighting switch OFF.
-
Disconnect IPDM E/R connector and front combination lamp connector.
-
Check continuity between IPDM E/R harness connector and front combination lamp harness connector.
IPDM E/R
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E48
54
E38
8
Yes
LH
E44
59
E37
-
Is the inspection result normal?
YES>>Refer to Diagnosis Procedure.
NO>>Repair or replace harness.
-
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CHECK HEADLAMP (HI) POWER SUPPLY CIRCUIT (SHORT TO GROUND)
-
-
Ignition switch OFF.
-
Turn lighting switch OFF.
-
Disconnect IPDM E/R connector, front combination lamp RH connector and front combination lamp LH connector.
-
Check continuity between IPDM E/R harness connector and ground.
IPDM E/R
—
Continuity
Connector
Terminal
RH
E48
54
Ground
No
LH
E44
59
-
Is the inspection result normal?
YES >>Replace IPDM E/R. Refer to Removal and Installation.
NO >>Repair or replace harness.
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Radio waves may adversely affect electronic medical equipment. Drivers
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Jump starting
To start the engine of your Nissan Sentra using a booster (jump) battery, all
instructions and safety precautions listed below must be followed carefully. Incorrect
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WARNING
If performed incorrectly, jump start ...
