2011 INFINITI QX56 ignition

HORN FUNCTIONSEC-145
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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NO >> Repair or replace harness.
7.CHECK VEHICLE SECURITY HORN RELAY
Refer to SEC-145, "
Component Inspection".
Is the inspection result normal?
YES >> Replace vehicle security horn.
NO >> Replace vehicle security horn relay.
Component InspectionINFOID:0000000006248777
1.CHECK VEHICLE SECURITY HORN RELAY
1. Turn ignition switch OFF.
2. Disconnect vehicle security horn relay.
3. Check voltage between vehicle security horn relay terminal and ground under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace vehicle security horn relay.
(+)
(− ) Condition Voltage (V)
(Approx.)
Vehicle security horn relay
Te r m i n a l
2Ground 12 V direct current supply between terminals 1 and 3 12
No current supply 0
Revision: 2010 May2011 QX56

SEC-146
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
SECURITY INDICATOR LAMP
SECURITY INDICATOR LAMP
Component Function CheckINFOID:0000000006226312
1.CHECK FUNCTION
1. Perform “THEFT IND” in “ACTIVE TEST” m ode of “IMMU” of “BCM” using CONSULT-III.
2. Check security indicator lamp operation.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to SEC-146, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006226313
1.CHECK SECURITY INDICATOR LA MP POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector.
3. Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO-1 >> Check 10 A fuse [No. 11, located in the fuse block (J/B)].
NO-2 >> Check harness for open or short between combination meter and fuse.
2.CHECK SECURITY INDI CATOR LAMP SIGNAL
1. Connect combination meter connector.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 4.
3.REPLACE BCM
1. Replace BCM. Refer to BCS-81, "
Removal and Installation".
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
>> INSPECTION END
4.CHECK SECURITY INDI CATOR LAMP CIRCUIT
1. Disconnect combination meter connector.
2. Check continuity between combination meter harness connector and BCM harness connector.
Te s t i t e m D e s c r i p t i o n
THEFT IND ON
Security indicator lamp Illuminates
OFF Does not illuminate
(+) (–)Voltage (V)
(Approx.)
Combination meter
Connector Terminal M34 1 Ground Battery voltage
(+) (–)Voltage (V)
(Approx.)
BCM
Connector Terminal
M68 23 Ground Battery voltage
Revision: 2010 May2011 QX56

SEC-148
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
ENGINE DOES NOT START WHEN INTELLI
GENT KEY IS INSIDE OF VEHICLE
SYMPTOM DIAGNOSIS
ENGINE DOES NOT START WHEN INTELLIGENT KEY IS INSIDE OF VE-
HICLE
DescriptionINFOID:0000000006226323
Engine does not start when push-button ignition swit ch is pressed while carrying Intelligent Key.
NOTE:
 Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
 The engine start function, door lock function, power di stribution system, and NATS-IVIS/NVIS in the Intelli-
gent Key system are closely related to each other regar ding control. The vehicle security function can oper-
ate only when the door lock and power dist ribution system are operating normally.
Conditions of Vehicle (Operating Conditions)
 “ENGINE START BY I-KEY” in “WORK SUPPOR T” is ON when setting on CONSULT-III.
 Intelligent Key is not inserted in key slot.
 One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
Diagnosis ProcedureINFOID:0000000006226324
1.PERFORM WORK SUPPORT
Perform “INSIDE ANT DIAGNOSIS” on Work Support in “INTELLIGENT KEY”.
Refer to SEC-22, "
INTELLIGENT KEY : CONSULT-III F unction (BCM - INTELLIGENT KEY)".
>> GO TO 2.
2.PERFORM SELF-DIAGNOSIS RESULT
Perform Self-Diagnosis Result in “BCM”, and check whether or not DTC of inside key antenna is detected.
Is DTC detected?
YES >> Refer to BCS-57, "DTCIndex".
NO >> GO TO 3.
3.CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch.
Refer to PCS-71, "
ComponentFunctionCheck".
Is the operation normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
Revision: 2010 May2011 QX56

STEERING DOES NOT LOCKSEC-149
< SYMPTOM DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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STEERING DOES NOT LOCK
DescriptionINFOID:0000000006226325
Steering does not lock when door is open while ignition switch is OFF.
NOTE:
Before performing the diagnosis, check “Work Flow”. Refer to SEC-48, "
Work Flow".
Diagnosis ProcedureINFOID:0000000006226326
1.CHECK DOOR SWITCH
Check door switch.
Refer to DLK-117, "
ComponentFunctionCheck".
Is the inspection normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
Revision: 2010 May2011 QX56

SEC-150
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
SECURITY INDICATOR LAMP DO
ES NOT TURN ON OR BLINK
SECURITY INDICATOR LAMP DOES NOT TURN ON OR BLINK
DescriptionINFOID:0000000006226327
Security indicator lamp does not blink when i gnition switch is in a position other than ON
NOTE:
 Before performing the diagnosis, check “Work Flow”. Refer to SEC-48, "
Work Flow".
 Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
Conditions of Vehicle (Operating Conditions)
Ignition switch is not in the ON position.
Diagnosis ProcedureINFOID:0000000006226328
1.CHECK SECURITY INDICATOR LAMP
Check security indicator lamp.
Refer to SEC-146, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
Revision: 2010 May2011 QX56

SEC-154
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
PANIC ALARM FUNCTION DOES NOT OPERATE
PANIC ALARM FUNCTION
DOES NOT OPERATE
DescriptionINFOID:0000000006226336
NOTE:
 Before performing the diagnosis following procedure, check “Work Flow”. Refer to SEC-48, "
Work Flow".
 Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
CONDITIONS OF VEHICLE (OPERATION CONDITIONS)
 Ignition switch is in OFF or LOCK position.
 Intelligent Key is removed from key slot.
Diagnosis ProcedureINFOID:0000000006226337
1.CHECK REMOTE KEYL ESS ENTRY FUNCTION
Check remote keyless entry function.
Does door lock/unlock with Intelligent key button?
YES >> GO TO 2.
NO >> Go to DLK-175, "
Diagnosis Procedure".
2.CHECK VEHICLE SECURITY ALARM OPERATION
Check vehicle security alarm operation.
Does alarm (headlamps and horns) active?
YES >> GO TO 3.
NO >> Go to SEC-18, "
VEHICLE SECURITY SYSTEM : System Description".
3.CHECK “PANIC ALARM SET” SETTING IN “WORK SUPPORT”
Check “PANIC ALARM SET” setting in “WORK SUPPORT”.
Refer to SEC-22, "
INTELLIGENT KEY : CONSULT-III F unction (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Set “PANIC ALARM SET” setting in “WORK SUPPORT”.
4.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> GO TO 1.
Revision: 2010 May2011 QX56

NATS ANTENNA AMP.SEC-155
< REMOVAL AND INSTALLATION > [WITH INTELLIGENT KEY SYSTEM]
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REMOVAL AND INSTALLATION
NATS ANTENNA AMP.
Removal and InstallationINFOID:0000000006226338
REMOVAL
1. Remove the push-button ignition switch. Refer to SEC-156, "Removal and Installation".
2. Disengage the NATS antenna amp. pawl, and then remove NATS antenna amp.
INSTALLATION
Install in the reverse order of removal.
: Pawl
JMKIA5307ZZ
Revision: 2010 May2011 QX56

SEC-156
< REMOVAL AND INSTALLATION >[WITH INTELLIGENT KEY SYSTEM]
PUSH-BUTTON IGNITION SWITCH
PUSH-BUTTON IGNITION SWITCH
Exploded ViewINFOID:0000000006226339
Refer to
IP-13, "Exploded View".
Removal and InstallationINFOID:0000000006226340
REMOVAL
1. Remove the cluster lid A. Refer to IP-14, "Removal and Installation".
2. Disengage the push-button ignition switch fixing pawl and then remove push-button ignition switch.
INSTALLATION
Install in the reverse order of removal.
: Pawl
JMKIA5306ZZ
Revision: 2010 May2011 QX56