2011 INFINITI QX56 Factory Service Manual

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Page 4665 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-58
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
P1614 CHAIN OF IMMU-KEY
YES >> GO TO 7.
NO >> Replace NATS antenna amp. Refer to
SEC-155, "
Removal and Installation".
7.CHECK NATS ANTE

Page 4666 of 5598

INFINITI QX56 2011 Factory Service Manual
P1614 CHAIN OF IMMU-KEYSEC-59
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
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SEC
N
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YES >> GO TO 11.
NO >> Repair or replace harness.
11 .CHECK INTERMITTENT INCIDE

Page 4667 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-60
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
B2192 ID DISCORD, IMMU-ECM
DTC LogicINFOID:0000000006226210
DTC DETECTION LOGIC
NOTE:
If DTC B2192 is displa

SEC-60
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
B2192 ID DISCORD, IMMU-ECM
DTC LogicINFOID:0000000006226210
DTC DETECTION LOGIC
NOTE:
If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
BCS-70, "
DTC Logic".
If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-71, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES >> Go to SEC-60, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006226211
1.PERFORM INITIALIZATION
Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK SELF-DIAGNOSIS RESULT
1. Select “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
2. Erase DTC.
3. Perform DTC CONFIRMATION PROCEDURE for DTC B2192. Refer to SEC-60, "
DTC Logic".
Is DTC detected?
YES >> GO TO 3.
NO >> INSPECTION END
3.REPLACE BCM
1. Replace BCM. Refer to BCS-81, "
Removal and Installation".
2. Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT-III. For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
Can the system be initialized and can the engi ne be started with registered Intelligent Key?
YES >> INSPECTION END
NO >> GO TO 4.
4.REPLACE ECM
1. Replace ECM. Refer to EC-535, "
Removal and Installation".
2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to EC-143, "
Work Procedure".
>> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2192 ID DISCORD BCM-ECM The ID verification results between
BCM and ECM are NG. Harness or connectors
(The CAN communication line is open
or shorted.)
BCM
ECM
Revision: 2010 May2011 QX56

Page 4668 of 5598

INFINITI QX56 2011 Factory Service Manual
B2193 CHAIN OF ECM-IMMUSEC-61
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
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B2193 CHAIN OF ECM-IMMU
DTC LogicINFOID:0000000006226212
DTC DETECTION LOGIC
NO

Page 4669 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-62
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2195 ANTI-SCANNING
B2195 ANTI-SCANNING
DTC LogicINFOID:0000000006226214
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CON

Page 4670 of 5598

INFINITI QX56 2011 Factory Service Manual
B2196 DONGLE UNITSEC-63
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
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SEC
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B2196 DONGLE UNIT
DescriptionINFOID:0000000006226660
BCM performs ID verification bet

Page 4671 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-64
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2196 DONGLE UNIT
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK DONGLE UNIT GROUND CIRCUIT
Check continuity between dongle uni

Page 4672 of 5598

INFINITI QX56 2011 Factory Service Manual
B2198 NATS ANTENNA AMP.SEC-65
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
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M A
B
SEC
N
O P
B2198 NATS ANTENNA AMP.
DTC LogicINFOID:0000000006226216
DTC DETECTION LOGIC
DT

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