Infiniti QX56 (JA60). Manual - part 251

INTELLIGENT KEY UNIT

DLK-175

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

11

Y

Power source (Fuse)

—

—

Battery voltage

12

B

Ground

—

—

0

13

B/W

Center console area 
antenna (front) (+) 
signal

LOCK

Any door open 

→ all doors closed

14

W/G

Center console area 
antenna (front) (-) 
signal

15

G

Center console area 
antenna (rear) (+) 
signal

LOCK

Any door open 

→ all doors closed

16

L

Center console area 
antenna (rear) (-) sig-
nal

17

W/L

Rear bumper anten-
na (+) signal

LOCK

Lift back door handle (close switch).

18

W/R

Rear bumper anten-
na (-) signal

19

P

Front outside anten-
na LH (+) signal

LOCK

Press front door request switch LH.

20

V

Front outside anten-
na LH (-) signal

21

B/W

Remote keyless en-
try receiver RSSI sig-
nal

—

—

23

L/W

Power back door out-
put

—

Power liftgate switch ON.

0

Power liftgate switch OFF.

Battery voltage

25

P/L

Front door request 
switch RH

—

Press front door request switch RH.

0

Other than above

Battery voltage

27

R/B

Ignition knob switch

—

Press ignition switch.

Battery voltage

Return ignition switch to LOCK position.

0

28

R

Unlock sensor
(driver side)

—

Door (driver side) is locked.

5

Door (driver side) is unlocked.

0

Terminal

Wire 

Color

Item

Condition

Voltage (V)

Approx.

Ignition 

Switch Po-

sition

Operation or Conditions

PIIB7441E

PIIB7441E

SIIA1910J

SIIA1910J

PIIA2344E

DLK-176

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

29

LG/W

Back door open 
switch input

—

Back door handle switch ON.

0

Back door handle switch OFF.

Battery voltage

30

G/B

Remote keyless en-
try receiver power 
supply

—

—

5

32

L/O

Steering lock sole-
noid communication 
signal

LOCK

When Intelligent Key is inside vehicle, 
press ignition knob switch.

Other than above

5

33

W

Overhead console 
area antenna (+) sig-
nal

LOCK

Press ignition knob switch: ON (Ignition 
knob switch)

34

BR

Overhead console 
area antenna (-) sig-
nal

35

O

Luggage area anten-
na (+) signal

LOCK

Back door open 

→ all doors closed

36

R

Luggage area anten-
na (-) signal

37

LG

Front outside anten-
na (+) signal RH

LOCK

Press front door request switch RH.

38

B/Y

Front outside anten-
na (-) signal RH

39

L/R

P range switch

—

Selector lever is in “P” position.

0

Other than above

Battery voltage

40

V

AS select unlock out-
put

—

UNLOCK with rear door locks disabled.

0

Other than above

Battery voltage

Terminal

Wire 

Color

Item

Condition

Voltage (V)

Approx.

Ignition 

Switch Po-

sition

Operation or Conditions

SIIA1911J

PIIB7441E

PIIB7441E

SIIA1910J

INTELLIGENT KEY UNIT

DLK-177

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Terminal Layout - Steering Lock Solenoid

INFOID:0000000005380592

Physical Values - Steering Lock Solenoid

INFOID:0000000005380593

WIIA1169E

Terminal

Wire 

Color

Signal Designation

Condition

Voltage (V)

Approx.

Ignition 

Switch Posi-

tion

Operation or Conditions

1

G/Y

Power source (fuse)

LOCK

—

Battery voltage

2

L/Y

Steering lock solenoid 
power supply

LOCK

—

5

3

L/O

Steering lock solenoid 
communication signal

LOCK

When Intelligent Key is inside ve-
hicle, press ignition knob switch.

Other than the above

5

4

B

Steering lock solenoid 
ground

—

—

0

SIIA1911J

DLK-178

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

Wiring Diagram — INTELLIGENT KEY SYSTEM —

INFOID:0000000005147027

ABKWA0486GB