Nissan Versa

 Sedan Service Manual

Body exterior, doors, roof & vehicle security » Door & lock (DLK)
Key switch (BCM Input)

Diagnosis Procedure

Regarding Wiring Diagram information, refer to DLK "Wiring Diagram".       

1.CHECK KEY SWITCH INPUT SIGNAL

With CONSULT

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT. Refer to BCS "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)".

• When key is inserted to ignition key cylinder:

KEY ON SW : ON

• When key is removed from ignition key cylinder:

KEY ON SW : OFF

Without CONSULT

Check voltage between BCM connector M18 terminal 37 and ground.                      

Is the inspection result normal?

YES >> Key switch (insert) circuit is OK.

NO >> GO TO 2

2.CHECK KEY SWITCH (INSERT)

1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check continuity between key switch terminals.                                   

Is the inspection result normal?

YES >> Repair or replace harness or fuse.

NO >> Replace key switch.

Precautions

Component parts

System (power door lock system)

Intelligent key system

Door lock function

Trunk open function

Remote keyless entry function

Key reminder function

Warning function

Diagnosis and repair work flow

Inspection and adjustment

B2621 Inside antenna

B2622 Inside antenna

B2623 Inside antenna

B2626 Outside antenna

B2627 Outside antenna

B2628 Outside antenna

Power supply and ground circuit

Combination meter buzzer

Door lock actuator

Rear LH

Rear RH

Door lock and unlock switch

Door request switch

Door switch

Hazard function

Intelligent key

Key warning lamp

Remote keyless entry receiver

Shift P Warning lamp

Trunk lid opener actuator

Trunk lid opener switch

Trunk lamp switch

Door does not lock/unlock with door lock and unlock switch

Door does not lock/unlock with driver side door lock knob or door key cylinder

Door does not lock/unlock with door request switch

Door does not lock/unlock with intelligent key

Trunk lid does not open

Ignition position warning function does not operate

Auto door lock operation does not operate

Vehicle speed sensing auto lock operation does not operate

IGN OFF Interlock door unlock function does not operate

Hazard and buzzer reminder does not operate

Key reminder function does not operate

OFF Position warning does not operate

P Position warning does not operate

ACC Warning does not operate

Take away warning does not operate

Intelligent key low battery warning does not operate

Door lock operation warning does not operate

Key id warning does not operate

Panic alarm function does not operate

Squeak and rattle trouble diagnoses

Hood assembly

Hood hinge

Radiator core support upper

Radiator core support lower

Front fender

Fender cover

Door assembly

Door hinge

Door check link

Door assembly

Door hinge

Door check link

Trunk lid assembly

Trunk lid striker

Trunk lid hinge

Torsion bar

Trunk lid weather-strip

Hood lock

Hood lock control cable

Hood lock secondary control

Door lock

Inside handle

Outside handle

Door lock

Inside handle

Outside handle

Trunk lid lock

Trunk lid opener handle

Trunk lid opener cable

Fuel filler opener cable

Fuel filler lid lock

Door switch

Inside key antenna

Outside key antenna

Intelligent key battery

Precautions

Component parts

Automatic door lock/unlock function

Power door lock system

Remote keyless entry system

Trunk lid opener system

Diagnosis system (BCM)

Diagnosis and repair workflow

U1000 CAN COMM

Power supply and ground circuit

Door switch

Door lock and unlock switch

Key cylinder switch

Key switch (BCM Input)

Door lock actuator

Trunk lid opener actuator

Remote keyless entry receiver

Keyfob battery and function

Horn function

Warning chime function

Hazard function

Keyfob ID set up with consult

Keyfob ID set up without consult

Power door lock system symptoms

Squeak and rattle trouble diagnoses

Hood assembly

Hood hinge

Radiator core support upper

Radiator core support lower

Front fender

Fender cover

Door assembly

Door hinge

Door check link

Door assembly

Door hinge

Door check link

Trunk lid assembly

Trunk lid striker

Trunk lid hinge

Torsion bar

Trunk lid weather-strip

Hood lock

Hood lock control cable

Hood lock bell crank

Door lock

Inside handle

Outside handle

Door lock

Inside handle

Outside handle

Trunk lid lock

Trunk lid opener handle

Trunk lid opener cable

Fuel filler lid

Fuel filler opener cable

Fuel filler lid lock

Door switch

Remote keyless entry receiver

Keyfob battery