Nissan Frontier D22. Manual - part 154

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-53

C

D

E

F

G

H

J

K

L

M

A

B

BL

SYMPTOM CHART

X : Applicable
*1: Make sure the system is in the armed phase.

Before starting trouble diagnoses above, perform 

BL-52, "PRELIMINARY CHECK"

 .

Symptom numbers in the symptom chart correspond with those of “PRELIMINARY CHECK”.

REFERENCE PAGE (BL-

)

BL-52

BL-54

BL-55

BL-58

BL-59

BL-60

BL-60

BL-62

BL-34

SYMPTOM

PRELIM

INAR

Y CHECK

POW

E

R SUPPL

Y AND 

GROUND CI

RCUIT 

CHECK

DOO

R

 AND HO

OD SW

IT

CH CHECK

SECURI

TY

 INDI

CA

T

O

R L

A

MP CHECK

DOO

R

 KEY CYLINDER 

SW

ITCH 

CHECK

VEHI

C

L

E

 SECURITY 

HORN AL

A

R

M 

CHECK

VEHI

C

L

E

 SECURITY HEADL

A

MP AL

ARM 

CHECK

ST

AR

T

E

R INTERRUP

T SY

STEM CHECK

C

heck

 “

REM

O

TE KEY

LESS 

ENTR

Y

” sys

te

m

.

1

Vehicle security indicator does not 
turn ON or blink.

X

X

X

2

V

ehi

cl

e secu

ri

ty

sy

st

em

 ca

nnot

b

e

 s

e

t b

y

 ...

.

All items

X

X

X

Door outside key

X

X

Keyfob

X

X

3

*1

 V

e

hi

cl

e s

e

cur

it

y

s

yst

em

 d

oes 

no

t

al

ar

m

 w

hen .

..

Any door is opened.

X

X

Front door LH or RH 
(King Cab) is unlocked 
without using key or 
keyfob.

X

4

V

ehi

cl

e sec

u

ri

ty

a

la

rm

 does

 no

t

ac

ti

va

te

.

All function

X

X

X

Horn alarm

X

X

Headlamp alarm

X

X

Starter interrupt

X

X

5

V

e

h

icl

e se

cur

it

y

s

yst

em

 cann

ot

 be

canc

el

ed by .

..

.

Door outside key

X

X

Keyfob

X

X

BL-54

VEHICLE SECURITY (THEFT WARNING) SYSTEM

POWER SUPPLY AND GROUND CIRCUIT CHECK
Power Supply Circuit Check

If NG, check the following.

●

7.5A fuse [No. 28, located in the fuse block (J/B)]

●

10A fuse [No. 5, located in the fuse block (J/B)]

●

7.5A fuse [No. 20, located in the fuse block (J/B)]

●

Harness for open or short between smart entrance control unit
and fuse

Ground Circuit Check

Terminals

Ignition switch position

(+)

(

−)

OFF

ACC

ON

M112 - 49 (R/Y)

Ground

Battery volt-

age

Battery volt-

age 

Battery volt-

age

M111 - 26 (G)

Ground

0V

Battery volt-

age

Battery volt-

age

M111 - 27 (G/

W)

Ground

0V

0V

Battery volt-

age

LEL026A

Terminals

Continuity

M111 - 43 (B) - Ground

Yes

M112 - 64 (B) - Ground

LEL008A

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-55

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BL

DOOR AND HOOD SWITCH CHECK
Door Switch Check

1. 

PRELIMINARY CHECK

1.

Turn ignition switch OFF and remove key from ignition key cylinder.

2.

Close all doors and hood.
“SECURITY” indicator lamp should turn off.

3.

Open any passenger door.
“SECURITY” indicator lamp should blink every 2.6 seconds.

OK or NG

OK

>> Door switch is OK. Check hood switch. Refer to 

BL-56, "Hood Switch Check"

 .

NG

>> GO TO 2.

2. 

CHECK DOOR SWITCH INPUT SIGNAL

Check voltage between smart entrance control unit connector M110 terminals 1 (G/R), 2 (R/B), and 3 (R/B)
(Crew Cab) and ground.

Refer to 

BL-49, "Wiring Diagram — VEHSEC —"

 .

OK or NG

OK

>> Door switch is OK. Check hood switch. Refer to 

BL-56, "Hood Switch Check"

 .

NG

>> GO TO 3.

WEL517A

BL-56

VEHICLE SECURITY (THEFT WARNING) SYSTEM

3. 

CHECK DOOR SWITCH

1.

Disconnect door switch harness connector.

2.

Check continuity between door switch terminals.

OK or NG

OK

>> Check the following.

●

Front door switch LH ground circuit or door switch ground condition

●

Harness for open or short between smart entrance control unit and door switch

NG

>> Replace door switch.

Hood Switch Check

1. 

PRELIMINARY CHECK

1.

Turn ignition switch OFF and remove key from ignition key cylinder.

2.

Close all doors and hood.
“SECURITY” indicator lamp should turn off.

3.

Open hood.
“SECURITY” indicator lamp should blink every 2.6 seconds.

OK or NG

OK

>> Hood switch is OK.

NG

>> GO TO 2.

2. 

CHECK HOOD SWITCH FITTING CONDITION

OK or NG

OK

>> GO TO 3.

NG

>> Adjust installation of hood switch or hood.

Continuity

:

Front door switch LH terminals 2 - 3

Door switch is pressed - No

Door switch is released - Yes

Front door switch RH, rear door switch LH or 
RH terminal + - ground

Door switch is pressed - No

Door switch is released - Yes

AEL577C