Nissan Sentra Service Manual: The door open warning continues displaying, or does not display

Description

• The door ajar warning is displayed even though all of the doors are closed.
• The door ajar warning is not displayed even though a door is ajar.

Diagnosis procedure

1.Check bcm input signal

Check the bcm input signal. Refer to dlk-102, "component function check" (with intelligent key) or dlk- 253, "component function check" (without intelligent key).

Is the inspection result normal? Yes >> go to 2.

No >> go to 3.

2.Check combination meter input signal

Select the METER/M&A Data Monitor and check the DOOR W/L monitor value while opening and closing doors.

Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-77, "Removal and Installation".

NO >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key) or BCS-126, "Removal and Installation" (without Intelligent Key).

3.Check door switch signal circuit

Check the door switch signal circuit. Refer to dlk-102, "diagnosis procedure" (with intelligent key) or dlk- 253, "diagnosis procedure" (without intelligent key).

Is the inspection result normal? Yes >> go to 4.

No >> repair or replace harness or connector.

4.Check door switch

Perform a unit check for the door switch. Refer to DLK-103, "Component Inspection" (with Intelligent Key) or DLK-255, "Component Inspection" (without Intelligent Key).

Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-77, "Removal and Installation".

NO >> Replace applicable door switch. Refer to DLK-194, "Removal and Installation" (with Intelligent Key) or DLK-341, "Removal and Installation" (without Intelligent Key).