Nissan Sentra. Manual - part 790

SEC-188

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2196 DONGLE UNIT

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK DONGLE UNIT GROUND CIRCUIT

Check continuity between dongle unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace dongle unit.

NO

>> Repair or replace harness.

Dongle unit

Ground

Continuity

Connector

Terminal

M39

4

Yes

POWER SUPPLY AND GROUND CIRCUIT

SEC-189

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000010289534

Regarding Wiring Diagram information, refer to 

BCS-111, "Wiring Diagram"

.

1.

CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connectors.

3. Check voltage between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Terminal No.

Signal name

Fuses and fusible link No.

63

Battery power supply

12 (10A)

70

G (40A)

11

Ignition switch ACC or ON

18 (10A)

BCM

Ground

Ignition switch position

Connector

Terminal

OFF

ACC

ON

M20

63

Battery voltage

Battery voltage

Battery voltage

70

M21

11

—

0 V

Battery voltage

Battery voltage

BCM

Ground

Continuity

Connector

Terminal

M20

65

—

Yes

SEC-190

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

VEHICLE SECURITY INDICATOR

VEHICLE SECURITY INDICATOR

Description

INFOID:0000000009756839

• Vehicle security indicator is built in combination meter.

• NATS (Nissan Anti-Theft System) condition is indicated by blink or illumination of vehicle security indicator.

Component Function Check

INFOID:0000000009756840

1.

CHECK FUNCTION

1. Perform Active Test of THEFT IND in the IMMU mode with CONSULT.

2. Check vehicle security indicator operation.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

SEC-190, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009756841

Regarding Wiring Diagram information, refer to 

SEC-152, "Wiring Diagram"

.

1.

CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter connector.

3. Check voltage between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO-1 >> Check 10 A fuse [No. 8, located in the fuse block (J/B)].

NO-2 >> Check harness for open or short between combination meter and fuse.

2.

CHECK SECURITY INDICATOR LAMP SIGNAL

1. Connect combination meter connector.

2. Disconnect BCM connector.

3. Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-126, "Removal and Installation"

.

NO

>> GO TO 3.

3.

CHECK SECURITY INDICATOR LAMP CIRCUIT

1. Disconnect combination meter connector.

Test item

Description

THEFT IND

ON

Vehicle security indicator

ON

OFF

OFF

(+)

(–)

Voltage (V)

Combination meter

Connector

Terminal

M24

27

Ground

Battery voltage

(+)

(–)

Voltage (V)

BCM

Connector

Terminal

M21

23

Ground

Battery voltage

VEHICLE SECURITY INDICATOR

SEC-191

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

2. Check continuity between combination meter harness connector and BCM harness connector.

3. Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-77, "Removal and Installation"

.

NO

>> Repair or replace harness.

Combination meter

BCM

Continuity

Connector

Terminal

Connector

Terminal

M24

18

M21

23

Yes

Combination meter

Ground

Continuity

Connector

Terminal

M24

18

No