2010 INFINITI QX56 ECU

DLK-174
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
Terminal Layout - Intelligent Key Unit
INFOID:0000000005380590
Physical Values - Intelligent Key UnitINFOID:0000000005380591
DOOR BK SW Back door opener switch OFF CLOSE
While the back door opener switch is turned ON
OPEN
VEHICLE SPEED While driving Equivalent to speedo meter reading
Monitor Item
Condition Value/Status
WIIA1168E
Te r m i n a lWire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch Po- sition Operation or Conditions
1L/Y Steering lock sole-
noid power supply LOCK
— 5
2 L CAN-H —— —
3 P CAN-L —— —
4GR Intelligent Key warn-
ing buzzer (front of
vehicle) LOCK
Operate door request
switch. Buzzer OFF
Battery voltage
Buzzer ON 0
5B/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 LOCKInsert mechanical key into ignition key
cylinder.
Battery voltage
Remove mechanical key from ignition
key cylinder. 0
8G Remote keyless en-
try receiver ground
—— 0
9GR Remote keyless en-
try receiver signal —When remote keyless entry receiver re-
ceives signal from keyfob.
Stand-by
OCC3879D
Revision: April 20092010 QX56

INTELLIGENT KEY UNITDLK-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 si
de) is locked. 5
Door (driver side ) is unlocked. 0
Te r m i n a l
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch Po-
sition Operation or Conditions
PIIB7441E
PIIB7441E
SIIA1910J
SIIA1910J
PIIA2344E
Revision: April 20092010 QX56

DLK-176
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
29 LG/WBack 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 LOCKWhen Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above
5
33 W Overhead console
area antenna (+) sig-
nal
LOCKPress 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
Te r m i n a l
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch Po-
sition Operation or Conditions
SIIA1911J
PIIB7441E
PIIB7441E
SIIA1910J
Revision: April 20092010 QX56

INTELLIGENT KEY UNITDLK-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 SolenoidINFOID:0000000005380592
Physical Values - Stee ring Lock SolenoidINFOID:0000000005380593
WIIA1169E
Te r m i n a lWire
Color Signal Designation Condition
Voltage (V)Approx.
Ignition
Switch Posi- tion Operation or Conditions
1 G/Y Power source (fuse) LOCK —Battery voltage
2L/Y Steering lock solenoid
power supply LOCK
— 5
3L/O Steering lock solenoid
communication signal LOCKWhen Intelligent Key is inside ve-
hicle, press ignition knob switch.
Other than the above
5
4B Steering lock solenoid
ground —— 0
SIIA1911J
Revision: April 20092010 QX56

DLK-178
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
Wiring Diagram — INTELLI GENT KEY SYSTEM —
INFOID:0000000005147027
ABKWA0486GB
Revision: April 20092010 QX56

INTELLIGENT KEY UNITDLK-179
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
ABKWA0487GB
Revision: April 20092010 QX56

DLK-180
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
ABKWA0460GB
Revision: April 20092010 QX56

INTELLIGENT KEY UNITDLK-181
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
ABKWA0461GB
Revision: April 20092010 QX56