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 / Trunk Lid Opener Switch / Diagnosis Procedure

Diagnosis Procedure

CHECK TRUNK LID OPENER INPUT SIGNAL

Ignition switch OFF.
Disconnect trunk lid opener switch connector.

Check voltage between trunk lid opener switch harness connector and ground.

(+)	(–)	Voltage (Approx.)
M15	2	Ground	Battery voltage

(+)

(–)

Voltage

(Approx.)

Trunk lid opener switch

Connector

Terminal

M15

Ground

Battery voltage

Is the inspection result normal?

YES >>

GO TO 3.

NO >>

GO TO 2.

CHECK TRUNK LID OPENER SWITCH CIRCUIT

Disconnect BCM connector.

Check continuity between BCM harness connector and trunk lid opener switch harness connector.

BCM		Trunk lid opener switch		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M84	12	M15	2	Yes

Check continuity between BCM harness connector and ground.

BCM		—	Continuity
Connector	Terminal	—	Continuity
M84	12	Ground	No

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK TRUNK LID OPENER SWITCH GROUND CIRCUIT

Check continuity between trunk lid opener switch harness connector and ground.

Trunk lid opener switch		—	Continuity
Connector	Terminal	—	Continuity
M15	3	Ground	Yes

Is the inspection result normal?

YES >>

GO TO 4.

NO >>

Repair or replace harness.

CHECK TRUNK LID OPENER SWITCH
1. Refer to Component Inspection.
Is the inspection result normal?
YES >>
GO TO 5.
NO >>
Replace trunk lid opener switch. Refer to Removal and Installation.
CHECK INTERMITTENT INCIDENT
1. Refer to Intermittent Incident.
>>
Inspection End.

Component Function Check

Component Function Check CHECK FUNCTION CONSULT Select "Back door/trunk opener switch" in "Data Monitor" m ...

Component Inspection

Component Inspection CHECK TRUNK LID OPENER SWITCH Ignition switch OFF. Disconnect trunk lid ...

Other materials:

Trunk Rear Plate
Removal and Installation Removal and Installation REMOVAL Remove trunk floor trim. Refer to Exploded View. Remove clips (A). Using a suitable tool, release clips and remove trunk rear plate. Refer to Exploded View. INSTALLATION Installation is in the revers ...

Diagnostic Work Sheet
Diagnostic Work Sheet Description In general, customers have their own criteria for a problem. Therefore, it is important to understand the symptom and status well enough by asking the customer about his/her concerns carefully. To systemize all the information ...

Diagnosis system (combination meter)
Consult function (meter/m&a) Application items Consult can perform the following diagnosis modes via can communication and the combination meter. Self diag result Refer to mwi-26, "dtc index". Data monitor Display item list Note: Some items are not available accor ...