Nissan Frontier. Manual - part 255

DLK-66

< ECU DIAGNOSIS INFORMATION >

BCM (BODY CONTROL MODULE)

KEYLESS PANIC

PANIC button of key fob is not pressed

Off

PANIC button of key fob is pressed

On

KEYLESS UNLOCK

UNLOCK button of key fob is not pressed

Off

UNLOCK button of key fob is pressed

On

LIGHT SW 1ST

Lighting switch OFF

Off

Lighting switch 1st

On

OIL PRESS SW

• Ignition switch OFF or ACC
• Engine running

Off

Ignition switch ON

On

OPTICAL SENSOR

Bright outside of the vehicle

Close to 5V

Dark outside of the vehicle

Close to 0V

PASSING SW

Other than lighting switch PASS

Off

Lighting switch PASS

On

REAR DEF SW

Rear window defogger switch OFF

Off

Rear window defogger switch ON

On

TURN SIGNAL L

Turn signal switch OFF

Off

Turn signal switch LH

On

TURN SIGNAL R

Turn signal switch OFF

Off

Turn signal switch RH

On

VEHICLE SPEED

While driving

Equivalent to speedometer reading

WARNING LAMP

Low tire pressure warning lamp in combination meter OFF

Off

Low tire pressure warning lamp in combination meter ON

On

Monitor Item

Condition

Value/Status

BCM (BODY CONTROL MODULE)

DLK-67

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Terminal Layout

INFOID:0000000010220570

Physical Values

INFOID:0000000010220571

LIIA2443E

DLK-68

< ECU DIAGNOSIS INFORMATION >

BCM (BODY CONTROL MODULE)

Terminal

Wire 

color

Item

Signal 

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition 

switch

Operation or condition

1

BR

Ignition keyhole illumi-
nation

Output

OFF

Door is locked (SW OFF)

Battery voltage

Door is unlocked (SW ON)

0V

2

P

Combination switch 
input 5

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

3

SB

Combination switch 
input 4

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

4

V

Combination switch 
input 3

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

5

L

Combination switch 
input 2

Input

ON

Lighting, turn, wiper OFF
Wiper dial position 4

6

R

Combination switch 
input 1

7

GR

Front door lock as-
sembly LH (key cylin-
der switch) unlock

Input

OFF

ON (open, 2nd turn)

Momentary 1.5V

OFF (closed)

0V

8

SB

Front door lock as-
sembly LH (key cylin-
der switch) lock

Input

On (open)

Momentary 1.5V

OFF (closed)

0V

9

LG

Brake  sw

Input

OFF

OFF (brake pedal is not de-
pressed)

0V

ON (brake pedal is de-
pressed)

Battery voltage

11

G/B

Ignition switch (ACC 
or ON)

Input

ACC or 

ON

Ignition switch ACC or ON

Battery voltage

12

LG

Front door switch RH 
(All)

Input

OFF

ON (open)

0V

Rear door switch up-
per RH (King Cab)

OFF (closed)

Battery voltage

Rear door switch low-
er RH (King Cab)

SKIA5291E

SKIA5292E

SKIA5291E

SKIA5292E

BCM (BODY CONTROL MODULE)

DLK-69

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

13

L

Rear door switch RH 
(Crew Cab)

Input

OFF

ON (open)

0V

OFF (closed)

Battery voltage

15

W

Tire pressure warning 
check connector

Input

OFF

—

5V

18

BR

Remote keyless entry 
receiver and optical 
sensor (Ground)

Output

OFF

—

0V

19

V

Remote keyless entry 
receiver (power sup-
ply)

Output

OFF

Ignition switch OFF

20

G

Remote keyless entry 
receiver signal (Sig-
nal)

Input

OFF

Stand-by (keyfob buttons re-
leased)

When remote keyless entry 
receiver receives signal from 
keyfob (keyfob buttons 
pressed)

21

GR

NATS antenna amp.

Input

OFF 

→ 

ON

Ignition switch (OFF 

→ ON)

Just after turning ignition switch 

ON: Pointer of tester should 

move.

23

G

Security indicator 
lamp

Output

OFF

Goes OFF 

→ illuminates (Ev-

ery 2.4 seconds)

Battery voltage 

→ 0V

25

BR

NATS antenna amp.

Input

OFF 

→ 

ON

Ignition switch (OFF 

→ ON)

Just after turning ignition switch 

ON: Pointer of tester should 

move.

27

W

Compressor ON sig-
nal

Input

ON

A/C switch OFF

5V

A/C switch ON

0V

28

R

Front blower monitor

Input

ON

Front blower motor OFF

Battery voltage

Front blower motor ON

0V

29

G

Hazard switch

Input

OFF

ON

0V

OFF

5V

31

GR

Cargo lamp switch

Input

OFF

ON

0V

OFF

Battery voltage

Terminal

Wire 

color

Item

Signal 

input/

output

Measuring condition

Reference value or waveform

(Approx.)

Ignition 

switch

Operation or condition

LIIA1893E

LIIA1894E

LIIA1895E