Nissan Sentra B18 (2020-2025) Service Manual: Hood Switch

Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System :: Intelligent Key System / Dtc/circuit Diagnosis / Hood Switch

Component Function Check

Component Function Check

CHECK FUNCTION

CONSULT

Select “Hood switch” and “HOOD SW (CAN)” in “Data Monitor” mode of “IPDM E/R”.
Check “Hood switch” and “HOOD SW (CAN)” indication under the following condition.

Monitor item	Condition		Indication
Hood switch	Hood	Open	Close
Hood switch		Close	Open
HOOD SW (CAN)		Open	OPEN
HOOD SW (CAN)		Close	CLOSE

Is the indication normal?

YES >>

Hood switch is OK.

NO >>

Refer to Diagnosis Procedure.

Diagnosis Procedure

Diagnosis Procedure

CHECK HOOD SWITCH SIGNAL

Ignition switch OFF.
Check voltage between hood switch harness connector and ground.

(+)		(–)	Condition	Voltage (Approx.)
Hood switch
Connector	Terminal
E58	2	Ground	Close the hood	0 – 1 V
E58	2	Ground	Open the hood	Battery voltage

Is the inspection result normal?

YES >>

GO TO 3.

NO >>

GO TO 2.

CHECK HOOD SWITCH SIGNAL CIRCUIT

Disconnect IPDM E/R connector and hood switch connector.

Check continuity between IPDM E/R harness connector and hood switch harness connector.

IPDM E/R		Hood switch		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E48	52	E58	2	Yes

Check continuity between IPDM E/R harness connector and ground.

IPDM E/R		—	Continuity
Connector	Terminal	—	Continuity
E48	52	Ground	No

Is the inspection result normal?

YES >>

Replace IPDM E/R. Refer to Removal and Installation.

NO >>

Repair or replace harness.

CHECK HOOD SWITCH GROUND CIRCUIT

Check continuity between hood switch harness connector and ground.

Hood switch		—	Continuity
Connector	Terminal	—	Continuity
E58	1	Ground	Yes

Is the inspection result normal?

YES >>

GO TO 4.

NO >>

Repair or replace harness.

CHECK HOOD SWITCH
1. Refer to Component Inspection.
Is the inspection result normal?
YES >>
GO TO 5.
NO >>
Replace hood lock assembly. Refer to Removal and Installation.
CHECK INTERMITTENT INCIDENT
1. Refer to Intermittent Incident.
>>
Inspection End.

Component Inspection

Component Inspection

CHECK HOOD SWITCH

Ignition switch OFF.
Disconnect hood switch connector.

Check continuity between hood switch terminals.

Hood switch		Condition		Continuity
Terminals		Condition		Continuity
1	2	Hood	Open	Yes
1	2	Hood	Close	No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace hood lock assembly. Refer to Removal and Installation.

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