Infiniti QX56 (JA60). Manual - part 861

SEC-90

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

INTELLIGENT KEY UNIT

Reference Value - Intelligent Key Unit

INFOID:0000000005282715

TERMINAL LAYOUT

PHYSICAL VALUES

WIIA1168E

Terminal

Wire 

Color

Item

Condition

Voltage (V)

Approx.

Ignition 

Switch Po-

sition

Operation or Conditions

1

L/Y

Steering lock sole-
noid power supply

LOCK

—

5

2

L

CAN-H

—

—

—

3

P

CAN-L

—

—

—

4

GR

Intelligent Key warn-
ing buzzer (front of 
vehicle)

LOCK

Operate door request 

switch.

Buzzer OFF

Battery voltage

Buzzer ON

0

5

B/W

Front door request 
switch LH

—

Press front door request switch LH.

0

Other than above

Battery voltage

6

G/R

Ignition switch (ON)

ON

—

Battery voltage

7

B/R

Key switch

LOCK

Insert mechanical key into ignition key 
cylinder.

Battery voltage

Remove mechanical key from ignition 
key cylinder.

0

8

G

Remote keyless en-
try receiver ground

—

—

0

9

GR

Remote keyless en-
try receiver signal

—

When remote keyless entry receiver re-
ceives signal from keyfob.

Stand-by

11

Y

Power source (Fuse)

—

—

Battery voltage

12

B

Ground

—

—

0

OCC3879D

INTELLIGENT KEY UNIT

SEC-91

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

13

B/W

Inside key antenna 3 
(front of center con-
sole) (+) signal

LOCK

Any door open 

→ all doors closed

14

W/G

Inside key antenna 3 
(front of center con-
sole) (-) signal

15

G

Inside key antenna 1 
(rear of center con-
sole) (+) signal

LOCK

Any door open 

→ all doors closed

16

L

Inside key antenna 1 
(rear of center con-
sole) (-) signal

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

29

LG/W

Back door open 
switch input

—

Back door handle switch ON.

0

Back door handle switch OFF.

Battery voltage

Terminal

Wire 

Color

Item

Condition

Voltage (V)

Approx.

Ignition 

Switch Po-

sition

Operation or Conditions

PIIB7441E

PIIB7441E

SIIA1910J

SIIA1910J

PIIA2344E

SEC-92

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

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

Rear parcel shelf an-
tenna (+) signal

LOCK

Press ignition knob switch: ON (Ignition 
knob switch)

34

BR

Rear parcel shelf an-
tenna (-) signal

35

O

Inside key antenna 2 
(luggage compart-
ment) (+) signal

LOCK

Back door open 

→ all doors closed

36

R

Inside key antenna 2 
(luggage compart-
ment) (-) 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

SEC-93

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Reference Value - Steering Lock Solenoid

INFOID:0000000005147138

TERMINAL LAYOUT

PHYSICAL VALUES

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