2010 INFINITI QX56 Factory Service Manual

Page 3401 of 4210

INFINITI QX56 2010  Factory Service Manual SEC-50
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2
2. CHECK P

Page 3402 of 4210

INFINITI QX56 2010  Factory Service Manual KEY CYLINDER SWITCHSEC-51
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
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L
M A
B
SEC
N
O P
KEY CYLINDER SWITCH
DescriptionINFOID:0000000005147120
The main power window and door

Page 3403 of 4210

INFINITI QX56 2010  Factory Service Manual SEC-52
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
KEY CYLINDER SWITCH
NO >> GO TO 2
2.CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect front door l

Page 3404 of 4210

INFINITI QX56 2010  Factory Service Manual IGNITION KNOB SWITCHSEC-53
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
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G H
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M A
B
SEC
N
O P
IGNITION KNOB SWITCH
Ignition Knob Switch CheckINFOID:0000000005147123
Regarding Wiri

Page 3405 of 4210

INFINITI QX56 2010  Factory Service Manual SEC-54
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
IGNITION KNOB SWITCH
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace key switch and ignition knob switch.
4.CHECK IGNITION KNO

Page 3406 of 4210

INFINITI QX56 2010  Factory Service Manual HOOD SWITCHSEC-55
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
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L
M A
B
SEC
N
O P
HOOD SWITCH
Diagnosis ProcedureINFOID:0000000005147124
Regarding Wiring Diagram information, r

Page 3407 of 4210

INFINITI QX56 2010  Factory Service Manual SEC-56
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
HOOD SWITCH
4.CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch connector E13 terminal 2 and ground.
Is the inspection r

Page 3408 of 4210

INFINITI QX56 2010  Factory Service Manual HORN FUNCTIONSEC-57
< COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
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M A
B
SEC
N
O P
HORN FUNCTION
Symptom TableINFOID:0000000005147125
HAZARD AND HORN REMINDER FUNCTION MALFUNC