2008 INFINITI QX56 Factory Service Manual

fuel type cooling change wheel brake pads buttons clock reset

Page 849 of 4083

INFINITI QX56 2008 Factory Service Manual DLK-56
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 1 (RE
AR OF CENTER CONSOLE)
INSIDE KEY ANTENNA 1 (REAR OF CENTER CONSOLE)
DescriptionINFOID:0000000001538946
Detects whet

DLK-56
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 1 (RE
AR OF CENTER CONSOLE)
INSIDE KEY ANTENNA 1 (REAR OF CENTER CONSOLE)
DescriptionINFOID:0000000001538946
Detects whether Intelligent Key is inside the vehicle.
Component Function CheckINFOID:0000000001538947
1.CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1. Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2. Touch “INSIDE KEY ANTENNA 1”.
3. When Intelligent Key is inside key antenna (rear of center console) detection area, hazard lamps flash.
Is the inspection result normal?
YES >> Inside key antenna 1 (rear of center console) is OK.
NO >> Refer to DLK-56, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001538948
1.CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with an oscilloscope.
Is the inspection result normal?
YES >> Inside key antenna 1 (rear of center console) is OK.
NO >> GO TO 2
2.CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and inside key antenna 1 (rear of center console) connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 15, 16 and inside key antenna 1 (rear of center console) har ness connector (B) M209 terminals 1, 2.
3. Check continuity between Inte lligent Key unit harness connector
(A) M70 terminals 15, 16 and ground.
Test Item Condition Possible cause
INSIDE KEY ANTENNA 1 An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit • Inside key antenna 1 (rear of center console)
• Between Intelligent Key unit and inside key antenna 1
(rear of center console)
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 15 Ground Ignition
switch is
pushed.
ALKIA0585ZZPIIB7441E
Intelligent Key
unit connector
Te r m i n a l sInside key antenna
1 (rear of center
console) connector Terminals Continuity
A: M70 15
B: M209 1
Ye s
16 2
ALKIA0586ZZ
Revision: March 2010 2008 QX56

Page 850 of 4083

INFINITI QX56 2008 Factory Service Manual INSIDE KEY ANTENNA 1 (REAR OF CENTER CONSOLE)DLK-57
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair

Page 851 of 4083

INFINITI QX56 2008 Factory Service Manual DLK-58
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 2 (LUGGAGE COMPARTMENT)
INSIDE KEY ANTENNA 2 (LUGGAGE COMPARTMENT)
DescriptionINFOID:0000000001538949
Detects whether Int

DLK-58
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 2 (LUGGAGE COMPARTMENT)
INSIDE KEY ANTENNA 2 (LUGGAGE COMPARTMENT)
DescriptionINFOID:0000000001538949
Detects whether Intelligent Key is inside the vehicle.
Component Function CheckINFOID:0000000001538950
1.CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1. Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2. Touch “INSIDE KEY ANTENNA 2”.
3. When Intelligent Key is inside key antenna (luggage compartment) detection area, hazard lamps flash.
Is the inspection result normal?
YES >> Inside key antenna 2 (luggage compartment) is OK.
NO >> Refer to DLK-58, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001538951
1.CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with an oscilloscope.
Is the inspection result normal?
YES >> Inside key antenna 2 (luggage compartment) is OK.
NO >> GO TO 2
2.CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and inside key antenna 2 (luggage compartment) connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 35, 36 and inside key antenna 2 (luggage compartment) harness connector (B) B76 terminals 1, 2.
3. Check continuity between Inte lligent Key unit harness connector
(A) M70 terminals 35, 36 and ground.
Test Item Condition Possible cause
INSIDE KEY ANTENNA 2 An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit • Inside key antenna 2 (luggage compartment)
• Between Intelligent Key unit and inside key antenna 2
(luggage compartment)
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 35 Ground Ignition
switch is
pushed.
ALKIA0587ZZPIIB7441E
Intelligent Key
unit connector
Te r m i n a l sInside key antenna
2 (luggage compart-
ment) connector Terminals Continuity
A: M70 35
B: B76 1
Ye s
36 2
ALKIA0588ZZ
Revision: March 2010 2008 QX56

Page 852 of 4083

INFINITI QX56 2008 Factory Service Manual INSIDE KEY ANTENNA 2 (LUGGAGE COMPARTMENT)DLK-59
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or

Page 853 of 4083

INFINITI QX56 2008 Factory Service Manual DLK-60
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 3 (FRONT OF CENTER CONSOLE)
INSIDE KEY ANTENNA 3 (FRO
NT OF CENTER CONSOLE)
DescriptionINFOID:0000000001538952
Detects wh

DLK-60
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 3 (FRONT OF CENTER CONSOLE)
INSIDE KEY ANTENNA 3 (FRO
NT OF CENTER CONSOLE)
DescriptionINFOID:0000000001538952
Detects whether Intelligent Key is inside the vehicle.
Component Function CheckINFOID:0000000001538953
1.CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1. Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2. Touch “INSIDE KEY ANTENNA 3”.
3. When Intelligent Key is inside key antenna (front of center console) detection area, hazard lamps flash.
Is the inspection result normal?
YES >> Inside key antenna 3 (front of center console) is OK.
NO >> Refer to DLK-60, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001538954
1.CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with an oscilloscope.
Is the inspection result normal?
YES >> Inside key antenna 3 (front of center console) is OK.
NO >> GO TO 2
2.CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and inside key antenna 3 (front of center console) connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 13, 14 and inside key antenna 3 (front of center console) har ness connector (B) M210 terminals 1, 2.
3. Check continuity between Inte lligent Key unit harness connector
(A) M70 terminals 13, 14 and ground.
Test Item Condition Possible cause
INSIDE KEY ANTENNA 3 An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit • Inside key antenna 3 (front of center console)
• Between Intelligent Key unit and inside key antenna 3
(front of center console)
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 13 Ground Ignition
switch is
pushed.
ALKIA0583ZZPIIB7441E
Intelligent Key
unit connector
Te r m i n a l sInside key antenna
3 (front of center
console) connector Terminals Continuity
A: M70 13
B: M210 1
Ye s
14 2
ALKIA0584ZZ
Revision: March 2010 2008 QX56

Page 854 of 4083

INFINITI QX56 2008 Factory Service Manual INSIDE KEY ANTENNA 3 (FRONT OF CENTER CONSOLE)
DLK-61
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
Is the inspection result normal?
YES >> GO TO 3
NO >> Repa

Page 855 of 4083

INFINITI QX56 2008 Factory Service Manual DLK-62
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 4
(OVERHEAD CONSOLE AREA)
INSIDE KEY ANTENNA 4 (OVERHEAD CONSOLE AREA)
DescriptionINFOID:0000000001538955
Detects whethe

DLK-62
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INSIDE KEY ANTENNA 4
(OVERHEAD CONSOLE AREA)
INSIDE KEY ANTENNA 4 (OVERHEAD CONSOLE AREA)
DescriptionINFOID:0000000001538955
Detects whether Intelligent Key is inside the vehicle.
Component Function CheckINFOID:0000000001538956
1.CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1. Check “ANTENNA” in “Active Test” mode with CONSULT-III.
2. Touch “INSIDE KEY ANTENNA 4”.
3. When Intelligent Key is inside key antenna (over head console area) detection area, hazard lamps flash.
Is the inspection result normal?
YES >> Inside key antenna 4 (overhead console area) is OK.
NO >> Refer to DLK-62, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001538957
1.CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with an oscilloscope.
Is the inspection result normal?
YES >> Inside key antenna 4 (overhead console area) is OK.
NO >> GO TO 2
2.CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and inside key antenna 4 (overhead console area) connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 33, 34 and inside key antenna 4 (overhead console area) harness connector (B) R210 terminals 1, 2.
3. Check continuity between Inte lligent Key unit harness connector
(A) M70 terminals 33, 34 and ground.
Test Item Condition Possible cause
INSIDE KEY ANTENNA 4 An excessive high or low voltage from inside
antenna is sent to the Intelligent Key Unit • Inside key antenna 4 (overhead console area)
• Between Intelligent Key unit and inside key antenna 4
(overhead console area)
Connector Item Te r m i n a l s
Condition Signal (V)
(Reference value)
(+) (–)
M70 Intelligent
Key unit 33 Ground Ignition
switch is
pushed.
ALKIA0589ZZPIIB7441E
Intelligent Key
unit connector
Te r m i n a l sInside key antenna
4 (overhead console
area) connector Terminals Continuity
A: M70 33
B: R210 1
Ye s
34 2
ALKIA0590ZZ
Revision: March 2010 2008 QX56

Page 856 of 4083

INFINITI QX56 2008 Factory Service Manual INSIDE KEY ANTENNA 4 (OVERHEAD CONSOLE AREA)DLK-63
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
DLK
N
O P
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair

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