Nissan Versa (N17): Seat belt buckle switch signal circuit

Nissan Versa 2nd generation (N17) Service Manual / Driver information & multimedia / Warning chime system (WCS) / Seat belt buckle switch signal circuit

Type A

TYPE A : Description

Transmits a seat belt buckle switch LH signal to the combination meter.

TYPE A : Component Function Check

1. CHECK COMBINATION METER INPUT SIGNAL

Select "DATA MONITOR" for "METER/M&A" and check the "SEAT BELT W/L" monitor value.

SEAT BELT W/L

When seat belt is fastened : OFF

When seat belt is unfastened : ON

Is the inspection result normal?

YES >> Inspection End.

NO >> Refer to WCS "TYPE A : Diagnosis Procedure".

TYPE A : Diagnosis Procedure

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

1. CHECK COMBINATION METER INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between combination meter harness connector M24 terminal 34 and ground.

34 - Ground

When driver seat belt is fastened : Approx. 12V

When driver seat belt is unfastened : Approx. 0V

Is the inspection result normal?

YES >> Replace combination meter. Refer to MWI "Removal and Installation".

NO >> GO TO 2

2. CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter and seat belt buckle switch LH.

3. Check continuity between combination meter harness connector M24 terminal 34 and seat belt buckle switch LH harness connector B13 terminal 1.

34 - 1 : Continuity should exist.

4. Check continuity between combination meter harness connector M24 terminal 34 and ground.

34 - Ground : Continuity should not exist.

Is the inspection result normal?

YES >> GO TO 3

NO >> Repair or replace harness.

3. CHECK SEAT BELT BUCKLE SWITCH LH GROUND CIRCUIT

Check continuity between seat belt buckle switch LH harness connector B13 terminal 2 and ground.

2 - Ground : Continuity should exist.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair or replace harness.

TYPE A : Component Inspection

1. CHECK SEAT BELT BUCKLE SWITCH LH

1. Turn ignition switch OFF.

2. Disconnect the seat belt buckle switch LH.

3. Check continuity between the seat belt buckle switch LH terminals 1 and 2.

1- 2

When seat belt is fastened : Continuity should not exist.

When seat belt is unfastened : Continuity should exist.

Is the inspection result normal?

YES >> Inspection End.

NO >> Replace the seat belt buckle switch LH.

Type B

TYPE B : Description

Transmits a seat belt buckle switch LH signal to the combination meter.

TYPE B : Component Function Check

1. CHECK COMBINATION METER INPUT SIGNAL

Select "DATA MONITOR" for "METER/M&A" and check the "SEAT BELT W/L" monitor value.

SEAT BELT W/L

When seat belt is fastened : OFF

When seat belt is unfastened : ON

Is the inspection result normal?

YES >> Inspection End.

NO >> Refer to WCS "TYPE B : Diagnosis Procedure".

TYPE B : Diagnosis Procedure

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

1. CHECK COMBINATION METER INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between combination meter harness connector M82 terminal 9 and ground.

9 - Ground

When driver seat belt is fastened : Approx. 12V

When driver seat belt is unfastened : Approx. 0V

Is the inspection result normal?

YES >> Replace combination meter. Refer to MWI "Removal and Installation".

NO >> GO TO 2

2. CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter and seat belt buckle switch LH.

3. Check continuity between combination meter harness connector M82 terminal 9 and seat belt buckle switch LH harness connector B13 terminal 1.

9 - 1 : Continuity should exist.

4. Check continuity between combination meter harness connector M82 terminal 9 and ground.

9 - Ground : Continuity should not exist.

Is the inspection result normal?

YES >> GO TO 3

NO >> Repair or replace harness.

3. CHECK SEAT BELT BUCKLE SWITCH LH GROUND CIRCUIT

Check continuity between seat belt buckle switch LH harness connector B13 terminal 2 and ground.

2 - Ground : Continuity should exist.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair or replace harness.

TYPE B : Component Inspection

1. CHECK SEAT BELT BUCKLE SWITCH LH

1. Turn ignition switch OFF.

2. Disconnect the seat belt buckle switch LH.

3. Check continuity between the seat belt buckle switch LH terminals 1 and 2.

1- 2

When seat belt is fastened : Continuity should not exist.

When seat belt is unfastened : Continuity should exist.

Is the inspection result normal?

YES >> Inspection End.

NO >> Replace the seat belt buckle switch LH.

Meter buzzer circuit

Key switch signal circuit (without intelligent key)

Description Transmits a key switch signal to the BCM. Component Function Check 1. CHECK BCM INPUT SIGNAL Select "DATA MONITOR" for "BCM" and check the "KEY ON SW" monitor value. KEY ON SW ...

Other materials:

EPS control unit
Reference Value VALUES ON THE DIAGNOSIS TOOL CAUTION: The output signal indicates the EPS control unit calculation data. The normal values will be displayed even in the event that the output circuit (harness) is open. *1: Almost in accordance with the value of "MOTOR SIG". It is not a m ...

None of the power windows can be operated using any switch
Diagnosis Procedure 1.CHECK BCM POWER SUPPLY AND GROUND CIRCUIT Check BCM power supply and ground circuit. Refer to PWC "BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure" (with Intelligent Key system) or PWC "BCM (BODY CONTROL SYSTEM) (WITHOUT INTE ...

Categories


© 2017-2025 Copyright www.niveguide.com
0.0088