2010 INFINITI QX56 ECU

DLK-190
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
ABKIA0071GB
Revision: April 20092010 QX56

INTELLIGENT KEY UNITDLK-191
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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D
E
F
G H
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L
M A
B
DLK
N
O P
ABKIA1362GB
Revision: April 20092010 QX56

DLK-192
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
ABKIA1469GB
Revision: April 20092010 QX56

INTELLIGENT KEY UNITDLK-193
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
ABKIA0072GB
Revision: April 20092010 QX56

DLK-194
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
AAKIA0087GB
Revision: April 20092010 QX56

INTELLIGENT KEY UNITDLK-195
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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M A
B
DLK
N
O P
Fail SafeINFOID:0000000005380595
Fail-safe operation
The Intelligent Key system operation will be interrupted if the Intelligent Key unit loses power or communica-
tion with the BCM.
ABKIA1363GB
Revision: April 20092010 QX56

DLK-196
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
DTC Inspection Priority Chart
INFOID:0000000005380596
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC IndexINFOID:0000000005380597
NOTE: Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF → ON again.
• 1 - 39: Displayed if any previous malfunction is pr esent when current condition is normal. It increases 1 → 2
→ 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF → ON after returning to the normal condition if the malfunction is detected again.
Priority DTC
1 • U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
2 • B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2194: ID DISCORD IMMU-I-KEY
3 • B2013: ID DISCORD BCM-S/L
• B2552: INTELLIGENT KEY
• B2590: ID DISCORD BCM-I-KEY
• P1610: LOCK MODE
• P1611: ID DISCORD, IMMU-ECM
• P1612: CHAIN OF ECM-IMMU
• P1614: CHAIN OF IMMU-KEY
• P1615: DIFFERENCE OF KEY
CONSULT display
Fail-safeFreeze Frame Data
•Vehicle Speed
•Odo/Trip Meter
•Vehicle Condition Intelligent Key warn-
ing lamp ON Reference page
No DTC is detected.
Further testing
may be required. ————
U1000: CAN COMM ———DLK-58
U1010: CONTROL UNIT(CAN) ———DLK-59
B2013: ID DISCORD BCM-S/L ××—SEC-28
B2190: NATS ANTENNA AMP ×—— SEC-31
B2191: DIFFERENCE OF KEY ×—— SEC-34
B2192: ID DISCORD BCM-ECM ×—— SEC-35
B2193: CHAIN OF BCM-ECM ×—— SEC-37
B2194: ID DISCORD IMMU-I-KEY ×—— SEC-38
B2552: INTELLIGENT KEY —×× SEC-39
B2590: IID DISCORD BCM-I-KEY —×× SEC-40
P1610: LOCK MODE —×× SEC-41
P1611: ID DISCORD, IMMU-ECM —×× SEC-42
P1612: CHAIN OF ECM-IMMU —— ×SEC-44
P1614: CHAIN OF IMMU-KEY ××× SEC-45
P1615: DIFFERENCE OF KEY—×× SEC-48
Revision: April 20092010 QX56

BACK DOOR CONTROL UNITDLK-197
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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M A
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DLK
N
O P
BACK DOOR CONTROL UNIT
Reference ValueINFOID:0000000005147029
TERMINAL LAYOUT
PHYSICAL VALUES
LIIA2444E
Te r m i n a l Wire Col-
or Item
Condition Voltage (V)
(Approx.)
1 B Ground ——
2 B Ground ——
3 Y/R Battery power supply —Battery voltage
4 G Hazard lamp output Request to flash hazardsPulse must be >50ms
but less than 250ms
5 B/P Pinch strip ground ——
6 R Warning chime output Back door motor activeBattery voltage
7 G/R Ignition switch Ignition switch ON
Battery voltage
Ignition switch OFF 0
8 GR/B Back door close switch Close position ON
0
Neutral position OFF Battery voltage
9 L Warning chime ground ——
10 L/B Battery power —Battery voltage
11 Y Cinch latch motor
CLOSE output Back door close operation
Battery voltage
12 L Closure motor
RETURN output Back door release operation
Battery voltage
13 P/L Back door close switch Cancel position
0
Neutral position 5
14 P Close switch signal While fully opening back door
PIIA3278E
WIIA1047E
Revision: April 20092010 QX56