Back door INFINITI QX56 2011 Factory Service Manual

EXTERIOR LAMP FUSEEXL-85
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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EXTERIOR LAMP FUSE
Diagnosis ProcedureINFOID:0000000006213954
1.CHECK FUSE
Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> The fuse is normal.
NO >> Repair the applicable circuit. And then replace the fuse.
Unit Location Fuse No. Capacity
Headlamp HI (LH) IPDM E/R #52 10 A
Headlamp HI (RH) IPDM E/R #51 10 A
Headlamp LO (LH) IPDM E/R #53 15 A
Headlamp LO (RH) IPDM E/R #54 15 A
Front fog lamp IPDM E/R #50 15 A
Parking lamp (LH)
 Front side marker lamp (LH) IPDM E/R #46 10 A
 Parking lamp (RH)
 Front side marker lamp (RH) IPDM E/R #47 10 A
 Tail lamp (Back door side LH/RH)
 Tail lamp (Body side LH)
 License plate lamp
 Rear side mark er lamp (LH) IPDM E/R #46 10 A
 Tail lamp (Body side RH)
 Rear side mark er lamp (RH) IPDM E/R #47 10 A
Stop lamp FUSE BLOCK (J/B) #7 10 A
Back-up lamp IPDM E/R #55 10 A
Revision: 2010 May2011 QX56

EXL-110
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
TAIL LAMP CIRCUIT
- Tail lamp (back door side)
- License plate lamp
3. Check continuity between IPDM E/R harness connec
tor and rear combination lamp harness connector.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace harness.
4.CHECK TAIL LAMP SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the following connectors.
- IPDM E/R
- Front combination lamp
- Rear combination lamp
- Tail lamp (back door side)
- License plate lamp
3. Check continuity between IP DM E/R harness connector and ground.
Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> Repair or replace harness.
5.CHECK TAIL LAMP GROUND OPEN CIRCUIT
Check continuity between rear combination lamp harness connector and ground.
Is the inspection result normal?
YES >> Replace rear combination lamp.
NO >> Repair or replace harness.
BACK DOOR SIDE
BACK DOOR SIDE : Co mponent Function CheckINFOID:0000000006238402
1.CHECK TAIL LAMP (BODY SIDE) OPERATION
Check that the tail lamp (body side) is turned ON.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to EXL-109, "
BODY SIDE : Component Function Check".
2.CHECK TAIL LAMP (BACK DOOR SIDE) OPERATION
CONSULT-III ACTIVE TEST
1. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2. With operating the lighting switch, check that the tail lamp (back door side) is turned ON.
IPDM E/R Rear combination lamp
Continuity
Connector Terminal Connector Terminal
RH E1438 B232
1 Existed
LH 44 B60
IPDM E/R
GroundContinuity
Connector Terminal
RH E1438
Not existed
LH 44
Rear combination lamp
GroundContinuity
Connector Terminal
RH B232 4 Existed
LH B60
Revision: 2010 May2011 QX56

TAIL LAMP CIRCUITEXL-111
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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Is the inspection result normal?
YES >> Tail lamp (back door side) circuit is normal.
NO >> Refer to E X L - 111 , "
BACK DOOR SIDE : Diagnosis Procedure".
BACK DOOR SIDE : Diagnosis ProcedureINFOID:0000000006238403
1.CHECK TAIL LAMP (BACK DOOR SIDE) BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace bulb.
2.CHECK TAIL LAMP (BACK DOOR SIDE) OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and tail lamp (back door side) connector.
3. Check continuity between IPDM E/R harness connec tor and tail lamp (back door side) harness connector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK TAIL LAMP (BACK DOOR SIDE) GROUND OPEN CIRCUIT
Check continuity between tail lamp (back door side) harness connector and ground.
Is the inspection result normal?
YES >> Check corresponding bulb socket and harness. Repair or replace if necessary.
NO >> Repair or replace harness. TAIL : Tail lamp (back door side) ON
Off : Tail lamp (back door side) OFF
IPDM E/R Tail lamp (back door side)
Continuity
Connector Terminal Connector Terminal
LH E14 44 D169
1 Existed
RH D117
Tail lamp (back door side)
GroundContinuity
Connector Terminal
LH D169 2Existed
RH D117
Revision: 2010 May2011 QX56

EXL-114
< SYMPTOM DIAGNOSIS >[XENON TYPE]
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Each lamp is not turned ON/OFF with lighting switch
AUTO. Combination switch
 Harness between combination
switch and BCM
BCM Combination switch
Refer to
BCS-80, "
Symptom Table".
 Optical sensor
 Harness between optical sen- sor and BCM
BCM Optical sensor
Refer to
EXL-102, "
Component
Function Check".
Front fog lamp is not
turned ON. One side
 Front fog lamp bulb
 Harness between IPDM E/R
and front fog lamp
 Front fog lamp
 IPDM E/R Front fog lamp circuit
Refer to
EXL-94, "
Component
Function Check".
Both sides Symptom diagnosis
“BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON”
Refer to
EXL-120, "
Diagnosis Procedure".
Parking lamp is not turned ON.  Parking lamp bulb
 Harness between IPDM E/R
and front combination lamp
 Front combination lamp
 IPDM E/R Parking lamp
circuit
Refer to EXL-96, "
Component
Function Check".
Front side marker lamp is not turned ON.  Front side marker lamp bulb
 Harness between IPDM E/R
and front combination lamp
 Front combination lamp
 IPDM E/R Front side marker lamp circuit
Refer to
EXL-98, "
Component
Function Check".
Tail lamp or rear side
marker lamp is not turned
ON. Body side
 Harness between IPDM E/R
and rear combination lamp
 Rear combination lamp Tail lamp circuit (body side)
Refer to
EXL-109, "
BODY SIDE :
Component Function Check".
Back door side  Harness between IPDM E/R
and tail lamp (back door side)
 Tail lamp (back door side) Tail lamp circuit (back door side)
Refer to
EXL-110, "
BACK DOOR
SIDE : Component Function
Check".
License plate lamp is not turned ON.  License plate lamp bulb
 Harness between IPDM E/R
and license plate lamp
 License plate lamp License plate lamp circuit
Refer to
EXL-112, "
Component
Function Check".
Tail lamp, rear side marker lamp and license plate
lamp are not turned ON. Fuse
 Harness between IPDM E/R
and rear combination lamp (LH)
 IPDM E/R Tail lamp circuit (body side)
Refer to
EXL-109, "
BODY SIDE :
Component Function Check".
 Parking lamp, side marker lamp, tail lamp and li- cense plate lamp are not turned ON.
 Parking lamp, side marker lamp, tail lamp and li- cense plate lamp are not turned OFF.
(Each illumination is turned ON/OFF.) Symptom diagnosis
“PARKING, LICENSE PLATE, SIDE MARKER LAMP AND TAIL LAMPS
ARE NOT TURNED ON”
Refer to
EXL-119, "
Diagnosis Procedure".
Tail lamp indicator is not turned ON.
(Parking, side marker lamp and tail lamps are turned
ON.) Combination meter Combination meter
Data monitor “LIGHT IND”
 BCM (HEAD LAMP) Active test “TAIL LAMP”
Turn signal lamp does not
blink. Indicator lamp is nor-
mal.
(Applicable side per-
forms the high flasher
activation.)
 Harness between BCM and
each turn signal lamp
 Turn signal lamp bulb Turn signal lamp circuit
Refer to
EXL-99, "
Component
Function Check".
Indicator lamp is includ-
ed.  Combination switch
 Harness between combination
switch and BCM
BCM Combination switch
Refer to
BCS-80, "
Symptom Table".
Symptom Possible cause Inspection item
Revision: 2010 May2011 QX56

LICENSE PLATE LAMPEXL-143
< REMOVAL AND INSTALLATION > [XENON TYPE]
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LICENSE PLATE LAMP
Exploded ViewINFOID:0000000006369489
Removal and InstallationINFOID:0000000006369490
CAUTION:
Disconnect the battery negative terminal or remove the fuse.
REMOVAL
1. Remove back door trim. Refer to INT-39, "Removal and Installation".
2. Disconnect license plate lamp connector.
3. Remove back door finisher center upper.
4. Remove license plate lamp while pushing a resin clip, and then remove license plate lamp.
INSTALLATION
Install in the reverse order of removal.
ReplacementINFOID:0000000006369491
CAUTION:
 Disconnect the battery negative terminal or remove the fuse.
 Never touch the glass of bulb directly by hand. Keep grease and other oily matters away from it.
Never touch bulb by hand while it is lit or right after being turned off.
 Never leave bulb out of lamp reflector for a long time because dust, moisture smoke, etc. may affect
the performance of lamp. When replacing bu lb, be sure to replace it with new one.
LICENSE PLATE LAMP BULB
1. Remove back door trim. Refer to INT-39, "Removal and Installation".
2. Disconnect license plate lamp connector.
1. License plate lamp harness 2. License plate lamp bulb socket 3. License plate lamp bulb
4. License plate lamp 5. Back door finisher center upper
JMLIA1122ZZ
Revision: 2010 May2011 QX56

EXT-2
FRONT PILLAR FINISHER ...............................40
Exploded View ..................................................... ...40
Removal and Installation ........................................40
REAR SPOILER ................................................41
Exploded View ..................................................... ...41
Removal and Installation ........................................41
DRIP MOLDING .................................................43
Exploded View ..................................................... ...43
Removal and Installation ...................................... ...43
BACK DOOR FINISHER ...................................44
Exploded View ..................................................... ...44
Removal and Installation .........................................44
SIDE STEP ........................................................45
Exploded View ..................................................... ...45
Removal and Installation .........................................45
Revision: 2010 May2011 QX56

REAR BUMPEREXT-17
< REMOVAL AND INSTALLATION >
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Removal and InstallationINFOID:0000000006367600
REMOVAL
CAUTION:
Bumper fascia is made of resin. Never apply strong force to it, and be careful to prevent contact with
oil.
1. Fully open back door assembly.
2. Remove rear combination lamp (LH and RH). Refer to EXL-138, "
Removal and Installation".
3. Remove bumper fascia fixing clips (A) and screws (B) (LH and RH).
4. Remove rear over fender fixing screws.
5. Remove bumper fascia lower mounting bolts.
6. Remove screws (A) of bumper fascia front end upper (LH and RH).
7. Pull bumper fascia assembly toward the vehicle outside as shown by the arrow in the figure, and then disengage the
bumper fascia assembly from bumper side brackets (LH and
RH).
8. Remove bumper fascia assembly. CAUTION:
When removing bumper fascia assembly, 2 workers ar e required so as to prevent it from dropping.
9. Remove the following parts after removing rear bumper fascia.  Bumper side brackets (LH and RH)
 Reflex reflector (LH and RH)
 Bumper stay bracket (LH and RH)
 Bumper stay (LH and RH)
10. Bumper lower finisher 11. Reflex reflector RH 12. Bumper stay RH
13. Bumper side stay RH 14. Energy absorber 15. Bumper side reinforcement RH
16. Bumper stay RH 17. Bumper side bracket RH
JMKIA5370ZZ
JMKIA5460ZZ
: Pawl
JMKIA5461ZZ
Revision: 2010 May2011 QX56

EXT-18
< REMOVAL AND INSTALLATION >
REAR BUMPER
 Bumper protector (LH and RH)
 Bumper side reinforcement (LH and RH)
10. Remove energy absorber.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
NOTE:
 The following table shows the specified values for checking normal installation status.
 Fitting adjustment cannot be performed.
JMKIA5455ZZ
Portion Clearance Surface height difference
Bumper fascia assembly –
Rear fender A – A0.0 – 1.0 mm
(0.000 – 0.039 in) (-0.7) – (+1.3) mm
[(-0.028) – (+0.051) in]
Bumper fascia assembly –
Rear combination lamp B – B0.3 – 3.0 mm
(0.012 – 0.118 in) —
Bumper fascia assembly –
Back door C – C2.8 – 6.1 mm
(0.110 – 0.240 in) —
Bumper fascia assembly –
Back door D – D3.8 – 7.8 mm
(0.150 – 0.307 in) —
Revision: 2010 May2011 QX56

EXT-38
< REMOVAL AND INSTALLATION >
DOOR SASH COVER
2. Insert a remover tool (A) between front door sash cover (1) anddoor panel, cut double-sided tape using a cutter (B) while lifting
front door sash cover, and remove front door sash cover.
CAUTION:
 Use a remover tool which is made of a material that doesnot damage door panel.
 Never lift front door sash cover with excessive force.
Installation
Note the following items, and then install in the reverse order of removal.
CAUTION:
 When installing, slid e and install front door sash cover (2)
from door rear side, so that front door outside molding (1) is
not deformed.
 Replace double-sided tape on back of front door sash cover with a new double-sided adhesive tape
if front door sash cover is reused.
 Replace EPT sealer of front door sash cover with a new EPT sealer if front door sash cover is
reused.
 Remove double-sided adhesive ta pe remaining on body and back of front door sash cover using
double-sided adhesive tape remover wh en removing front door sash molding.
 Install after cleaning adhesive parts of doo r side and back of front door sash cover.
 To secure contact, do not wash vehicle within 24 hours after installation.
REAR DOOR SASH COVER
Removal
1. Remove rear door sash cover fixing clips.
2. Insert a remover tool (A) between rear door sash cover (1) and
door panel, cut double-sided tape using a cutter (B) while lifting
rear door sash cover, and remove rear door sash cover.
CAUTION:
 Never use an item as a remover tool that could damagedoor panel.
 Never lift rear door sash cover with excessive force.
Installation
Note the following items, and install in the reverse order of removal.
CAUTION:
JMKIA2034ZZ
JMKIA5005ZZ
JMKIA2034ZZ
Revision: 2010 May2011 QX56

DOOR SASH COVEREXT-39
< REMOVAL AND INSTALLATION >
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 When installing, slide and inst all rear door sash cover (2) from
door front, so that rear door outside molding (1) is not
deformed.
 Replace double-sided adhesive tape on back of r ear door sash cover with a new double-sided adhe-
sive tape if rear door sash cover is reused.
 Replace EPT sealer of rear door sash cover with a new EPT sealer if rear door sash cover is reused.
 Remove double-sided adhesive tape remaining on bo dy and back of rear door sash cover using dou-
ble-sided adhesive tape remover when removing rear door sash cover.
 Install after cleaning adhesive parts of d oor side and back of rear door sash cover.
 To secure contact, do not wash vehicle within 24 hours after installation.
JMKIA5007ZZ
Revision: 2010 May2011 QX56