Nissan Versa Sedan. Instruction - part 718

SEC-144

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

VEHICLE SECURITY INDICATOR

VEHICLE SECURITY INDICATOR

Description

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• 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

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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-144, "Diagnosis Procedure"

.

Diagnosis Procedure

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Regarding Wiring Diagram information, refer to 

SEC-120, "Wiring Diagram"

.

1.

SECURITY INDICATOR LAMP ACTIVE TEST

With CONSULT

Check "THEFT IND” in "ACTIVE TEST" of IMMU mode with CONSULT.

Without CONSULT

1. Disconnect BCM.

2. Check voltage between BCM harness connector M18 terminal 23 and ground.

Is the inspection result normal?

YES

>> Security indicator lamp is OK.

NO

>> GO TO 2

2.

SECURITY INDICATOR LAMP CHECK

Check security indicator lamp condition.
Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace combination meter. Refer to 

MWI-104, "Removal and Installation"

 (type B) or 

MWI-53,

"Removal and Installation"

 (type A).

3.

CHECK HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect BCM and security indicator lamp connector.

3. Check continuity between BCM connector M18 terminal 23 and combination meter type B connector M82

terminal 18 or type A connector M24 terminal 31.

Test item

Description

THEFT IND

ON

Vehicle security indicator

ON

OFF

OFF

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M18

23

Ground

ON

0

OFF

Battery voltage

VEHICLE SECURITY INDICATOR

SEC-145

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

4. Check continuity between BCM connector M18 terminal 23 and ground.

Is the inspection result normal?

YES

>> Check the following:

• 10A fuse [No. 8, located in fuse block (J/B)]

• Harness for open or short between security indicator lamp and fuse

NO

>> Repair or replace harness.

Type B: 23 - 18

: Continuity should exist.

Type A: 23 - 31

: Continuity should exist.

23 - Ground

: Continuity should not exist.

SEC-146

< SYMPTOM DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS

SYMPTOM DIAGNOSIS

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS

Symptom Table

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NOTE:

• Before performing the diagnosis in the following table, check “

SEC-126, "Work Flow"

”. 

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and

check each symptom.

• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

• Mechanical key is not inserted into key cylinder.

• Ignition knob switch is not depressed.

Symptom

Diagnosis/service procedure

Reference page

Security indicator does not turn ON or flash.

1. Check vehicle security indicator

SEC-144

2. Check Intermittent Incident

GI-45

NATS ANTENNA AMP.

SEC-147

< REMOVAL AND INSTALLATION >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

REMOVAL AND INSTALLATION

NATS ANTENNA AMP.

Removal and Installation

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NOTE:

• If NATS antenna amp. is not installed correctly, NVIS (NATS) system will not operate properly and "SELF-

DIAG RESULTS" on CONSULT screen will show "LOCK MODE" or "CHAIN OF IMMU-KEY".

• Initialization is not necessary when only the NATS antenna amp. is replaced with a new one.

REMOVAL

1. Disconnect the battery negative terminal. Refer to 

PG-63, "Removal and Installation"

.

2. Remove the instrument lower panel LH. Refer to 

IP-20, "Removal and Installation"

.

3. Remove the NATS antenna amp bolt (A).
4. Disconnect the harness connector (1) from the NATS antenna

amp. (2) and remove.

INSTALLATION

Installation is in the reverse order of removal.

AWKIA1481ZZ