2011 INFINITI QX56 lock

B2110 SHIFT POSITION/CLUTCH INTERLOCK SWITCHSEC-139
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> Repair or replace harness.
(+)
(–) Continuity
IPDM E/R
Connector Terminal E15 48 Ground Not existed
Revision: 2010 May2011 QX56

SEC-144
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
HORN FUNCTION
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation".
NO >> Repair or replace harness.
4.CHECK VEHICLE SECURITY HORN RELAY POWER SUPPLY
1. Disconnect vehicle security horn relay.
2. Check voltage between vehicle security horn relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO-1 >> Check 10 A fuse [No. 36 located in the fuse block (J/B)].
NO-2 >> Check harness for open or short between vehicle security horn relay and fuse.
5.CHECK VEHICLE SECURITY HORN CONTROL CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connec tor and vehicle security horn relay harness connec-
tor.
3. Check continuity between IP DM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
6.CHECK VEHICLE SECURITY HORN CIRCUIT
1. Disconnect vehicle security horn connector.
2. Check continuity between vehicle security horn relay harness connector and vehicle security horn har-
ness connector.
3. Check continuity between vehicle secu rity horn relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 7.
IPDM E/R GroundContinuity
Connector Terminal
E13 34 Not existed
(+) (–)Voltage (V)
(Approx.)
Vehicle security horn relay
Connector Terminal E124 1 Ground Battery voltage
IPDM E/R Vehicle se curity horn relay
Continuity
Connector Terminal Connector Terminal
E1334E1243Existed
IPDM E/R GroundContinuity
Connector Terminal
E13 34 Not existed
Vehicle security horn re lay Vehicle security horn
Continuity
Connector Terminal Connector Terminal
E124 2 E125 1 Existed
Vehicle security horn relay GroundContinuity
Connector Terminal
E124 2 Not existed
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

VEHICLE SECURITY SYSTEM CANNOT BE SET
SEC-151
< SYMPTOM DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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VEHICLE SECURITY S YSTEM CANNOT BE SET
INTELLIGENT KEY
INTELLIGENT KEY : DescriptionINFOID:0000000006226329
Armed phase is not activated when door is locked using Intelligent Key.
NOTE:
Check that vehicle is under the condition shown in “C onditions of vehicle” before starting diagnosis, and check
each symptom.
CONDITION OF VEHICLE (OPERATING CONDITION)
Confirm the setting of “SECUTIRY ALARM SET” is ON in “WORK SUPPORT” mode of “THEFT ALM” of
“BCM” using CONSULT-III.
INTELLIGENT KEY : Diagnosis ProcedureINFOID:0000000006226330
1.CHECK INTELLIGENT KEY SYSTEM (REMOTE KEYLESS ENTRY FUNCTION)
Lock/unlock door with Intelligent Key.
Refer to DLK-19, "
DOOR LOCK FUNCTION : System Description".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Check Intelligent Key system (remote keyless entry function). Refer to DLK-175, "
Diagnosis Pro-
cedure".
2.CHECK HOOD SWITCH
Check hood swiwtch.
Refer to SEC-141, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace hood switch.
3.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.
DOOR REQUEST SWITCH
DOOR REQUEST SWITCH : DescriptionINFOID:0000000006226331
Armed phase is not activated when door is locked using door request switch.
NOTE:
Check that vehicle is under the condition shown in “C onditions of vehicle” before starting diagnosis, and check
each symptom.
CONDITION OF VEHICLE (OPERATING CONDITION)
Confirm the setting of “SECURITY ALARM SET” is ON in “WORK SUPPORT” mode of “THEFT ALM” of
“BCM” using CONSULT-III.
DOOR REQUEST SWITCH : Diagnosis ProcedureINFOID:0000000006226332
1.CHECK INTELLIGENT KEY SYS TEM (DOOR LOCK FUNCTION)
Lock/unlock door with door request switch.
Refer to DLK-19, "
DOOR LOCK FUNCTION : System Description".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Check Intelligent Key system (door lock function). Refer to DLK-172, "
ALL DOOR REQUEST
SWITCHES : Diagnosis Procedure".
Revision: 2010 May2011 QX56

SEC-152
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
VEHICLE SECURITY SYSTEM CANNOT BE SET
2.CHECK HOOD SWITCH
Check hood swiwtch.
Refer to SEC-141, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace hood switch.
3.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.
DOOR KEY CYLINDER
DOOR KEY CYLINDER : DescriptionINFOID:0000000006375072
Armed phase is not activated when door is locked using mechanical key.
NOTE:
Check that vehicle is under the condition shown in “C onditions of vehicle” before starting diagnosis, and check
each symptom.
CONDITION OF VEHICLE (OPERATING CONDITION)
Confirm the setting of “SECURITY ALARM SET” is ON in “WORK SUPPORT” mode of “THEFT ALM” of
“BCM” using CONSULT-III.
DOOR KEY CYLINDER : Diagnosis ProcedureINFOID:0000000006375073
1.CHECK POWER DOOR LOCK SYSTEM
Lock/unlock door with mechanical key.
Refer to DLK-16, "
System Description".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Check power door lock system. Refer to DLK-171, "
Diagnosis Procedure".
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