Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / Hood Switch / Diagnosis Procedure

Diagnosis Procedure

CHECK HOOD SWITCH SIGNAL CIRCUITS

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

(+)	(–)	Voltage (Approx.)
E58	2	Ground	Battery voltage

(+)

(–)

Voltage

(Approx.)

Hood switch

Connector

Terminal

E58

Ground

Battery voltage

Is the inspection result normal?

YES >>

GO TO 3.

NO >>

GO TO 2.

CHECK HOOD SWITCH SIGNAL CIRCUITS

Disconnect IPDM E/R 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	1	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 >>
Inspection End.
NO >>
Replace hood switch. Refer to Removal and Installation.

Component Function Check

Component Function Check CHECK FUNCTION CONSULT Select "Hood switch" in "Data Monitor" mode of "IPDM E/R". ...

Component Inspection

Component Inspection CHECK HOOD SWITCH Ignition switch OFF. Disconnect hood switch connector ...

Other materials:

Dtc Description
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis name) DTC detection condition ...

System Setting
Target Evaporator Temp Upper Limit Target Evaporator Temp Upper Limit DESCRIPTION Set the target evaporator temperature upper limit. HOW TO SET CONSULT Select “TARGET EVAPORATOR TEMP UPPER LIMIT SETTING” in “Work support” mode of “HVAC”. ...

Nvh Troubleshooting Chart
NVH Troubleshooting Chart Use chart below to find the cause of the symptom. If necessary, repair or replace these parts. Reference ...