Back door INFINITI QX56 2011 Factory Service Manual

BACK DOORDLK-233
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3. Disconnect back door harness connectors (A) and remove back door harness clip (B).
4. Remove back door harness grommet, and then pull harness out of vehicle through roof panel hole.
5. Disconnect washer tube.
6. Remove washer tube grommet, and then pull was her tube out of vehicle through roof panel hole.
7. Support back door lock with the proper material to prevent it from falling. WARNING:
Body injury may occur if no sup porting rod is holding the back door open when removing the
back door stay.
8. Remove back door stay. Refer to DLK-236, "
BACK DOOR STAY : Removal and Installation".
9. Remove back door hinge mounting nuts on back door and remove back door assembly.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
 Apply anticorrosive agen t onto the mounting surface.
 Check back door open/close, lock/un lock operation after installation.
 After installation, perform fitting adjustment. Refer to DLK-234, "
BACK DOOR ASSEMBLY : Adjust-
ment".
JMKIA5262ZZ
Revision: 2010 May2011 QX56

DLK-234
< REMOVAL AND INSTALLATION >
BACK DOOR
BACK DOOR ASSEMBLY : Adjustment
INFOID:0000000006226088
Check the clearance and the surface height between back door and each part by visually and touching.
If the clearance and the surface height are out of spec ification, adjust them according to the procedures
shown below.
1. Back door assembly 2. Back door hinge 3. Back door striker
4. TORX bolt 5. Bumper rubber 6. Roof
7. Rear roof spoiler 8. Body side outer 9. Back door glass
10. Rear combination lamp 11. Back up lamp 12. Rear bumper fascia
Refer to GI-4, "
Components" for symbols in the figure.
JMKIA5483GB
Revision: 2010 May2011 QX56

BACK DOORDLK-235
< REMOVAL AND INSTALLATION >
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Unit: mm (in)
1. Remove luggage rear plate mask. Refer to INT-35, "LUGGAGE REAR PLATE : Removal and Installation".
2. Loosen back door striker mounting bolts.
3. Loosen back door hinge mounting nuts (back door side).
4. Loosen bumper rubber (side and lower).
5. Lift up back door approximately 100 – 150 mm (3.937 – 5.906 in) height then close it lightly and check that
it is engaged firmly with back door closed.
6. Check the clearance and surface height.
7. Finally tighten back door hinge, bumper rubber, and back door striker.
8. Install luggage rear plate mask. Refer to INT-35, "
LUGGAGE REAR PLATE : Removal and Installation".
BACK DOOR STRIKER ADJUSTMENT
Adjust back door striker so that i becomes parallel with back door lock insertion direction.
BACK DOOR STRIKER
BACK DOOR STRIKER : Removal and InstallationINFOID:0000000006226089
REMOVAL
1. Remove luggage rear plate. Refer to INT-35, "LUGGAGE REAR PLATE : Removal and Installation".
2. Remove mounting TORX bolts, and then remove back door striker.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
 Check back door open/close ope ration after installation.
 When removing and installing b ack door striker, check to perform th e fitting adjustment. Refer to
DLK-234, "
BACK DOOR ASSEMBLY : Adjustment".
Portion Standard
Difference
(LH/RH, MAX)
Roof – Rear roof spoiler A – A H Clearance
5.0 – 9.0
(0.197 – 0.354) —
I Surface height (
− 1.0) – (+3.0)
[( −0.039) – (+0.118)] —
Body side outer panel –
Rear roof spoiler B – B J Clearance 3.8 – 7.8
(0.150 – 0.307) ≤
2.0
(0.079)
Body side outer panel –
Back door glass C – CK Clearance
3.0 – 7.0
(0.118 – 0.276) ≤
2.0
(0.079)
L Surface height 0.0 – 4.0
(0.000 – 0.157) ≤
2.0
(0.079)
Body side outer panel –
Back door D – DM Clearance
4.0 – 6.0
(0.157 – 0.236) ≤
1.0
(0.039)
N Surface height (
− 1.0) – (+1.0)
[( −0.039) – (+0.039)] ≤
1.0
(0.039)
Rear combination lamp
– Back up lamp E – EO Clearance
2.5 – 7.5
(0.098 – 0.295) ≤
2.2
(0.087)
P Surface height (
− 2.2) – (+2.2)
[( −0.087) – (+0.087)] ≤
2.2
(0.087)
Rear bumper fascia –
Back door F – F Q Clearance 2.9 – 7.1
(0.114 – 0.280) ≤
2.1
(0.083)
Rear bumper fascia –
Back door G – G R Clearance 4.0 – 8.0
(0.157 – 0.315) —
Revision: 2010 May2011 QX56

DLK-236
< REMOVAL AND INSTALLATION >
BACK DOOR
BACK DOOR HINGE
BACK DOOR HINGE : Removal and InstallationINFOID:0000000006226090
CAUTION:
 Operate with two workers, because of its heavy weight.
 Use protective tape or cloth to protect fr om damage during remove and installation.
REMOVAL
1. Remove back door assembly. Refer to DLK-232, "BACK DOOR ASSEMBLY : Removal and Installation".
2. Remove back door hinge mounting nuts (body side), and then remove back door hinge.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
 Apply anticorrosive agent onto the mounting surface.
 Check back door open/close op eration after installation.
 Check back door hinge ro tating part for poor lubricatio n. If necessary, apply body grease.
 When removing and installing back door assembly, perform the fitting adjustment. Refer to DLK-234,
"BACK DOOR ASSEMBLY : Adjustment".
 After installation, apply touch-up paint (the body color) onto the head of back door hinge mounting
nuts.
BACK DOOR STAY
BACK DOOR STAY : Removal and InstallationINFOID:0000000006226091
REMOVAL
1. Support back door lock with the proper material to prevent it from falling.
WARNING:
Body injury may occur if no su pporting rod is holding the back door op en when removing the
back door stay.
2. Remove the metal clip (3) located on the connection between the back door stay (1) and the stud ball (2) (back door side) by
using a flatted-blade screwdriver (A).
3. Remove back door stay (back door side).
4. In the same way, remove back door stay (body side).
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
Check back door open/close ope ration after installation.
JMKIA2255ZZ
Revision: 2010 May2011 QX56

BACK DOORDLK-237
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BACK DOOR STAY : Disposal INFOID:0000000006226092
1. Fix back door stay (1) using a vise (C).
2. Using hacksaw (A) slowly make 2 holes in the back door stay, in numerical order as shown in the figure.
CAUTION:
 When cutting a hole on back door stay, always cover ahacksaw using a shop cloth (B) to avoid scattering metal
fragments or oil.
 Wear eye protection (safety glasses).
 Wear gloves.
BACK DOOR WEATHER-STRIP
BACK DOOR WEATHER-STRIP : Removal and InstallationINFOID:0000000006226093
REMOVAL
1. Remove stud ball of back door support rod from back door assembly. Refer to DLK-247, "BACK DOOR
SUPPORT ROD : Removal and Installation".
2. Pull up and remove engagement with body from weather-strip joint. CAUTION:
Never pull strongly on weather-strip.
INSTALLATION
1. Working from the upper section, align weather-strip mark with vehicle center position mark and install
weather-strip onto the vehicle.
2. For the lower section, align weather-str ip seam with center of back door striker.
3. Pull weather-strip gently to ensure that there is no loose section. NOTE:
Check that weather-strip is fit tightly at each corner and luggage rear plate.
4. Install mounting bolts of power back door drive assembly (Back door side).
5. Install stud ball of back door support rod to back door assembly. Refer to DLK-247, "
BACK DOOR SUP-
PORT ROD : Removal and Installation".
JMKIA3336ZZ
A: 20 mm (0.787 in)
B: Cut at the groove.
JMKIA3609ZZ
Revision: 2010 May2011 QX56

DLK-246
< REMOVAL AND INSTALLATION >
BACK DOOR LOCK
BACK DOOR LOCK
Exploded ViewINFOID:0000000006226105
DOOR LOCK
DOOR LOCK : Removal and InstallationINFOID:0000000006226106
REMOVAL
1. Remove back door finisher lower. Refer to INT-39, "Removal and Installation".
2. Disconnect back door lock assembly harness connector.
3. Remove back door lock mounting bolts, and then remove back door lock assembly.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
Check back door open/close, lock/unlo ck operation after installation.
TOUCH SENSOR
TOUCH SENSOR : Removal and InstallationINFOID:0000000006226107
CAUTION:
Take care not to bend touch sensor.
REMOVAL
1. Remove back door finisher side. Refer to INT-39, "Removal and Installation".
2. Disconnect touch sensor connector.
1. Back door support rod 2. Touch sensor 3. Automatic back door control module
4. Back door lock assembly 5. Back door assembly 6. Stud ball
7. Screw grommet
Refer to GI-4, "
Components" for symbols in the figure.
JMKIA5484GB
Revision: 2010 May2011 QX56

BACK DOOR LOCKDLK-247
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3. Remove clips and TORX screws of touch sensor.
4. Pull harness of touch sensor out of back door and remove touch sensor.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
Check back door open/close operation after installation.
BACK DOOR SUPPORT ROD
BACK DOOR SUPPORT ROD : Removal and InstallationINFOID:0000000006226108
REMOVAL
1. Remove cap of back door finisher side (LH). Refer to INT-39, "Exploded View".
2. Remove stud ball (1) of back door support rod (3) from back door assembly (2).
3. Remove automatic back door control module. Refer to DLK-262, "
Removal and Installation".
NOTE:
When replacing back door support rod, replace stud ba ll and automatic back door control module as a set,
since back door support rod is engaged and connected to stud ball and automatic back door control mod-
ule.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
 When reusing stud ball, always a pply locking sealant before installing stud ball to back door.
 Check back door open/close opera tion after installation.
EMERGENCY LEVER
EMERGENCY LEVER : Unlock proceduresINFOID:0000000006226109
UNLOCK PROCEDURES
NOTE:
If back door lock cannot be unlocked due to a malfuncti on or battery discharge, follow the procedures to
unlock back door.
1. Remove the emergency handle mask. Refer to INT-39, "
Exploded View".
2. From inside the vehicle, rotate emergency lever toward lower direction and unlock.
JMKIA5442ZZ
JMKIA5264ZZ
Revision: 2010 May2011 QX56

DOOR REQUEST SWITCHDLK-255
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DOOR REQUEST SWITCH
DRIVER SIDE
DRIVER SIDE : Remova l and InstallationINFOID:0000000006226116
REMOVAL
Remove the driver side outside handle. Refer to DLK-241, "OUTSIDE HANDLE : Removal and Installation".
INSTALLATION
Install in the reverse order of removal.
PASSENGER SIDE
PASSENGER SIDE : Removal and InstallationINFOID:0000000006226117
REMOVAL
Remove the passenger side outside handle. Refer to DLK-241, "OUTSIDE HANDLE : Removal and Installa-
tion".
INSTALLATION
Install in the reverse order of removal.
BACK DOOR
BACK DOOR : Removal and InstallationINFOID:0000000006226118
REMOVAL
Remove the back door finisher. Refer to INT-39, "Removal and Installation".
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

OUTSIDE KEY ANTENNADLK-257
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OUTSIDE KEY ANTENNA
DRIVER SIDE
DRIVER SIDE : Remova l and InstallationINFOID:0000000006226122
REMOVAL
Remove the driver side outside handle. Refer to DLK-241, "OUTSIDE HANDLE : Removal and Installation".
INSTALLATION
Install in the reverse order of removal.
PASSENGER SIDE
PASSENGER SIDE : Removal and InstallationINFOID:0000000006226123
REMOVAL
Remove the passenger side outside handle. Refer to DLK-241, "OUTSIDE HANDLE : Removal and Installa-
tion".
INSTALLATION
Install in the reverse order of removal.
BACK DOOR
BACK DOOR : Removal and InstallationINFOID:0000000006226124
REMOVAL
Remove the back door finisher inner. Refer to INT-39, "Removal and Installation".
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

BACK DOOR CONTROL UNITDLK-261
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BACK DOOR CONTROL UNIT
Removal and InstallationINFOID:0000000006226128
REMOVAL
1. Remove the back door finisher inner. Refer to INT-39, "Removal and Installation".
2. Remove the back door control unit mounting bolts, and then remove back door control unit.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56