lock INFINITI QX56 2006 Factory Service Manual

BL-130
DOOR
Revision: November 20092006 QX56
5. Remove the door-side hinge nuts and bolts, and remove the
door assembly.
Installation is in the reverse order of removal.
BACK DOOR
WARNING:
Always support back door when removing or replacing back door stays. Power back door opener will
not support back door with back door stays removed.
1. Remove the back door glass. Refer to GW-13, "
REAR WINDOW GLASS AND MOLDING" .
2. Remove the back door lock assembly. Refer to BL-135, "
BACK DOOR LOCK" .
3. Remove the rear wiper motor. Refer to WW-50, "
Rear Wiper Motor" .
4. Remove the back door wire harness.
5. Remove the rear washer nozzle and hose from the back door. Refer to WW-51, "
Rear Washer Nozzle" .
CAUTION:
Two technicians should be used to avoid damaging the back door during removal.
6. Support the back door.
7. Disconnect the power back door lift arm from the door.
8. Remove the back door stays.
9. Remove the door side nuts and the back door assembly.
Installation is in the reverse order of removal.
LIIA1504E
WIIA1364E

FRONT DOOR LOCKBL-131
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Revision: November 2009 2006 QX56
FRONT DOOR LOCKPFP:80502
Component StructureEIS00629
Removal and InstallationEIS0062A
REMOVAL
1. Remove front door speaker. Refer to AV- 5 6 , "FRONT DOOR SPEAKER" .
2. Remove the front door speaker housing and vapor sheet.
3. Remove the door side grommet, and the bolt (TORX T30) from the grommet hole.
4. While pulling the outside handle, remove the door key cylinder assembly or escutcheon.
1. Grommet 2. Front door striker3. Door lock assembly
4. Outside handle cable 5. Inside handle assembly6. Inside handle cable
7. Door lock cable 8. Key cylinder rod (Driver side only) 9. Key cylinder
10. Outside handle bracket 11. Front gasket12. Outside handle
13. Door key cylinder assembly (Driver side) Outside handle escutcheon
(Passenger side) 14. Rear gasket
WIIA0891E
Torx bolt
5.3 N·m (0.54 kg-m, 47 in-lb)
PIIA3553E
PIIA3554E

BL-132
FRONT DOOR LOCK
Revision: November 20092006 QX56
5. Separate the key cylinder rod from the door key cylinder assembly (if equipped).
6. While pulling the outside handle, slide it toward rear of vehicle to
remove.
7. Remove the front and rear gaskets.
8. Remove the TORX bolts (T30), and the door lock assembly.
9. While pulling the outside handle bracket, slide it toward the rear of vehicle to remove it and the door lock assembly.
10. Disconnect the door lock actuator electrical connector.
LIIA0532E
PIIA3557E
Door lock assembly bolts 7.5 N·m (0.77 kg-m, 00 in-lb)
PIIA1090E
PIIA3558E

FRONT DOOR LOCKBL-133
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Revision: November 2009 2006 QX56
11. Separate the outside handle cable connection from the outside
handle bracket.
INSTALLATION
Installation in the reverse order of removal.
CAUTION:
To install each rod, be sure to rotate the rod holder until a click is felt.
Disassembly and AssemblyEIS0062B
DOOR KEY CYLINDER ASSEMBLY
Remove the key cylinder escutcheon pawl and remove the door key cylinder.
PIIA5059E
PIIA4136E

BL-134
REAR DOOR LOCK
Revision: November 20092006 QX56
REAR DOOR LOCKPFP:82502
Component StructureEIS004SM
Removal and InstallationEIS004SN
REMOVAL
1. Remove the rear door window and rear door module assembly. Refer to GW-68, "REAR DOOR GLASS
AND REGULATOR" .
2. Remove door grommets, and remove outside handle nuts from grommet hole.
3. Remove outside handle.
4. Disconnect the door lock actuator connector.
5. Separate outside handle rod connection.
INSTALLATION
Installation is in the reverse order of removal.
WIIA0892E

BACK DOOR LOCKBL-135
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Revision: November 2009 2006 QX56
BACK DOOR LOCKPFP:90504
Power Back Door OpenerEIS0062F
REMOVAL
1. Remove the LH luggage side upper. Refer to EI-40, "LUGGAGE FLOOR TRIM" .
2. Disconnect the power back door motor electrical connector.
3. Disconnect the ball socket from the back door.
4. Remove the power back door motor assembly.
INSTALLATION
Installation is in the reverse order of removal.
WIIA0893E

BL-136
BACK DOOR LOCK
Revision: November 20092006 QX56
Door Lock AssemblyEIS0062G
REMOVAL
1. Remove the lower back door trim panel. Refer to EI-42, "BACK DOOR TRIM" .
2. Remove the weathershields.
3. Disconnect the back door lock electrical connectors.
4. Remove the back door lock assembly.
5. Disconnect the back door glass lock electrical connector.
6. Remove the back door glass lock.
INSTALLATION
Installation is in the reverse order of removal.
WIIA0894E

BL-142
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: November 20092006 QX56
6. Touch "OTHER".
7. Select “NATS V.5.0 ”.
If “NATS V5.0 ” is not indicated, go to GI-40, "
CONSULT-II Data
Link Connector (DLC) Circuit" .
8. Perform each diagnostic test mode according to each service procedure.
For further information, see the CONSULT-II Operation Manual
NATS-IVIS/NVIS.
CONSULT-II DIAGNOSTIC TEST MODE FUNCTION
NOTE:

When any initialization is performed, all IDs previously registered will be erased and all NATS ignition keys
must be registered again.

The engine cannot be started with an unregistered key. In this case, the system will show “DIFFERENCE
OF KEY ” or “LOCK MODE ” as a self-diagnostic result on the CONSULT-II screen.

In rare case, “CHAIN OF ECM-IMMU ” might be stored as a self-diagnostic result during key registration
procedure, even if the system is not malfunctioning.
LIIA0556E
SEL027X
SEL150X
CONSULT-II DIAGNOSTIC TEST
MODE Description
C/U INITIALIZATION When replacing any of the following components, C/U initialization and re-registration of all
NATS ignition keys are necessary.
[(NATS ignition key/ BCM/ ECM]
SELF-DIAG RESULTS Detected items (screen terms) are as shown in the chart.
Refer to
BL-143, "
IVIS (NATS) SELF-DIAGNOSTIC RESULTS ITEM CHART" .

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)BL-143
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Revision: November 2009 2006 QX56
HOW TO READ SELF-DIAGNOSTIC RESULTS
IVIS (NATS) SELF-DIAGNOSTIC RESULTS ITEM CHART
PIIA1124E
Detected items
[IVIS (NATS) program card screen
terms] P No. Code
(Self-diagnostic result of
“ ENGINE ”) Malfunction is detected when.....
Reference
page
CHAIN OF ECM-IMMU
[P1612] NATS MAL-
FUNCTION
P1612Communication impossible between ECM and BCM
In rare case,
“CHAIN OF ECM-IMMU ” might be stored
during key registration procedure, even if the system is
not malfunctioning. Refer to
BL-147
.
DIFFERENCE OF KEY
[P1615] NATS MAL-
FUNCTION
P1615BCM can receive the key ID signal but the result of ID
verification between key ID and BCM is NG.
Refer to
BL-148
.
CHAIN OF IMMU-KEY
[P1614] NATS MAL-
FUNCTION
P1614
BCM cannot receive the key ID signal.
Refer to
BL-151
.
ID DISCORD, IMM-ECM
[P1611] NATS MAL-
FUNCTION
P1611The result of ID verification between BCM and ECM is
NG. System initialization is required.
Refer to
BL-149
.
LOCK MODE
[P1610] NATS MAL-
FUNCTION
P1610When the starting operation is carried out five or more
times consecutively under the following conditions, IVIS
(NATS) will shift the mode to one which prevents the
engine from being started.

Unregistered ignition key is used.

BCM or ECM malfunctioning.
Refer to
BL-150
.
DON'T ERASE BEFORE CHECK-
ING ENG DIAG —All engine trouble codes except IVIS (NATS) trouble code
has been detected in ECM. Refer to
BL-144
.

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)BL-145
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Revision: November 2009 2006 QX56
Trouble DiagnosesEIS0061O
SYMPTOM MATRIX CHART 1
Self-diagnosis related item
*: When IVIS (NATS) detects a malfunction, the security indicator lights up while ignition key is in the “ON” position.
Symptom
Displayed
“SELF-DIAG
RESULTS ” on CON-
SULT-II screen. Diagnostic Procedure
(Reference page) System
(Malfunctioning part or
mode) Reference Part No. Of
Illustration On System
Diagram

Security indicator
lighting up*

Engine cannot be
started CHAIN OF ECM-IMMU
[P1612] PROCEDURE 1
(BL-147
) In rare case,
“CHAIN OF
ECM-IMMU ” might be
stored during key regis-
tration procedure, even if
the system is not mal-
functioning. —
Open circuit in battery
voltage line of BCM cir-
cuit C1
Open circuit in ignition
line of BCM circuit C2
Open circuit in ground
line of BCM circuit C3
Open or short circuit
between BCM and ECM
communication line C4
ECM B
BCM A
DIFFERENCE OF KEY [P1615] PROCEDURE 2
(BL-148
) Unregistered key D
BCM A
CHAIN OF IMMU-KEY [P1614] PROCEDURE 5
(BL-151
) Malfunction of key ID
chip
E5
Communication line
between ANT/ AMP and
BCM:
Open circuit or short cir-
cuit of battery voltage
line or ground line E1
E2
Open circuit in power
source line of ANT/ AMP
circuit E3
Open circuit in ground
line of ANT/ AMP circuit E4
NATS antenna amp. E6
BCM A
ID DISCORD, IMM-ECM [P1611] PROCEDURE 3
(BL-149
) System initialization has
not yet been completed.
F
ECM B
LOCK MODE [P1610] PROCEDURE 4
(BL-150
) LOCK MODE
D
Security indicator light-
ing up* DON'T ERASE
BEFORE CHECKING ENG DIAG WORK FLOW
(BL-144
) Engine trouble data and
IVIS (NATS) trouble data
have been detected in
ECM
—