Nissan Sentra Service Manual: Component parts

Nissan Sentra Service Manual / Driver information & multimedia / Warning chime system / System description / Component parts

Component parts location

Combination meter
Combination switch (lighting and turn signal switch)
Key switch (without intelligent key system)
Push-button ignition switch (with intelligent key system)
Seat belt buckle switch lh
Front door switch lh
Bcm (view with instrument panel removed)
ABS actuator and electric unit (control unit)
Parking brake switch (view with center console removed)

Component description

Unit	Description
Combination meter	Judges whether the parking brake is released using the vehicle speed signal and the parking brake switch signal, and sounds the buzzer if necessary. Receives the seat belt buckle switch signal from the seat belt buckle switch and transmits it to bcm with can communication line. Receives a buzzer output signal from bcm with can communication line.
Lighting switch	Transmits lighting switch status signal to the bcm.
BCM	Transmits signals provided by various units to the combination meter with can communication line.
Front door switch lh	Transmits door switch signal to bcm.
Key switch	Transmits key switch signal to bcm.
Push-button ignition switch	Provides ignition switch status to the bcm
Seat belt buckle switch LH	Transmits seat belt buckle switch lh signal to the combination meter.
Parking brake switch	Transmits parking brake switch signal to the combination meter.
Abs actuator and electric unit (control unit)	Transmits the vehicle speed signal to combination meter with can communication line.

System

Warning chime system Warning chime system : system diagram Warning chime system : system description Description The buzzer for warning chime system is installed in the combination meter. ...

Other materials:

Parking brake switch signal circuit
Component function check 1.Check parking brake switch operation Check that brake warning lamp in combination meter turns on/off when parking brake is actuated. Is the inspection result normal? Yes >> inspection end. No >> proceed to diagnosis procedure. Refer to mwi-60, " ...

Symptom diagnosis
Audio system Symptom table Related to audio Related to hands-free phone Before performing diagnosis, confirm that the cellular phone being used by the customer is compatible with the vehicle. It is possible that a malfunction is occurring due to a version change of the p ...

The steering switch (meter control switch) is inoperative
Description If any of the following malfunctions is found for the steering switch (meter control switch) operation. All switches are inoperative The specified switch cannot be operated Diagnosis procedure 1.Check steering switch signal circuit Check the steering switch signal circuit. ...