2009 INFINITI QX56 Dlk

BACK DOOR CONTROL UNITDLK-199
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
ABKIA0076GB
Revision: December 20092009 QX56

DLK-200
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
BACK DOOR CONTROL UNIT
ABKIA0077GB
Revision: December 20092009 QX56

BACK DOOR CONTROL UNITDLK-201
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
ABKIA0078GB
Revision: December 20092009 QX56

DLK-202
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
BACK DOOR CONTROL UNIT
AAKIA0088GB
Revision: December 20092009 QX56

BACK DOOR CONTROL UNITDLK-203
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
AAKIA0089GB
Revision: December 20092009 QX56

DLK-204
< ECU DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
BACK DOOR CONTROL UNIT
AAKIA0090GB
Revision: December 20092009 QX56

BACK DOOR CONTROL UNITDLK-205
< ECU DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
Fail SafeINFOID:0000000003775832
Fail-safe operation
The automatic back door system operation will be interrupt ed if the back door control unit loses power, switch
input signals or communication with the BCM.
ABKIA0079GB
Revision: December 20092009 QX56

DLK-206
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
INTELLIGENT KEY SYSTEM SYMPTOMS
Symptom TableINFOID:0000000003775833
ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE
NOTE:
• Before performing the diagnosis in the following table, check “WORK FLOW”. Refer to
DLK-6, "
Work Flow".
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following symptoms are detected, check syst ems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• “ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when se tting on CONSULT-III.
• All doors are closed.
Symptom Diagnosis/service procedureReference page
All doors and ignition switch do not respond to
Intelligent Key command. 1. Check Intelligent Key function and battery inspection.
DLK-106
2. Check Intelligent Key unit power supply and ground circuit. DLK-68
3. Check remote keyless entry receiver.DLK-103
4. Check BCM power supply and ground circuit. DLK-68
5. Replace Intelligent Key unit.DLK-106
Revision: December 20092009 QX56