2011 INFINITI QX56 Back door

INL-60
< DTC/CIRCUIT DIAGNOSIS >
LUGGAGE ROOM LAMP CIRCUIT
LUGGAGE ROOM LAMP CIRCUIT
DescriptionINFOID:0000000006216071
Controls the luggage room lamp and automatic back door close switch illumination (ground side) to turn the
luggage room lamp and automatic back door close switch illumination ON and OFF.
Diagnosis ProcedureINFOID:0000000006216072
CAUTION:
Before performing the diagnosis, check that the following are normal.
 Interior room lamp power supply
 Luggage room lamp bulb
1.CHECK LUGGAGE ROOM LAMP OUTPUT
1. Turn ignition switch OFF.
2. Remove the luggage room bulb.
3. Disconnect automatic back door close switch connector.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to BCS-81, "
Removal and Installation".
2.CHECK LUGGAGE ROOM LAMP OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness c onnector and luggage room lamp harness connector.
3. Check continuity between BCM harness connector and automatic back door close switch harness con-
nector.
Is the inspection result normal?
YES >> Replace luggage room lamp or automatic back door close switch.
NO >> Repair or replace harnesses.
3.CHECK LUGGAGE ROOM LAMP SHORT CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
BCM
Ground Condition Continuity
Connector Terminal
M69 49 Back door Open Existed
Closed Not existed
BCM Luggage room lamp Continuity
Connector Terminal Connector Terminal
M69 49 B11 1 Existed
BCM Automatic back door close switch Continuity
Connector Terminal Connector Terminal
M69 49 D158 4 Existed
BCM GroundContinuity
Connector Terminal
M69 49 Not existed
Revision: 2010 May2011 QX56

INL-64
< DTC/CIRCUIT DIAGNOSIS >
PUDDLE LAMP CIRCUIT
PUDDLE LAMP CIRCUIT
DescriptionINFOID:0000000006216076
Controls the puddle lamp (ground side) to turn the puddle lamp ON and OFF.
Diagnosis ProcedureINFOID:0000000006216077
CAUTION:
Before performing the diagnosis, check that the following is normal.
 Interior room lamp power supply
1.CHECK PUDDLE LAMP OUTPUT
1. Turn ignition switch OFF.
2. Disconnect puddle lamp connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to BCS-81, "
Removal and Installation".
2.CHECK PUDDLE LAMP OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and puddle lamp harness connector.
Is the inspection result normal?
YES >> Replace puddle lamp.
NO >> Repair or replace harnesses.
3.CHECK PUDDLE LAMP SHORT CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> Repair or replace harnesses.
BCM
Ground Condition Continuity
Connector Terminal
M71 72 Any door
(except back door)Open Existed
Closed Not existed
BCM Puddle lamp Continuity
Connector Terminal Connector Terminal
M71 72 Driver side D3
14 Existed
Passenger side D23
BCM
GroundContinuity
Connector Terminal
M71 72 Not existed
Revision: 2010 May2011 QX56

INTERIOR LIGHTING SYSTEM SYMPTOMSINL-67
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
INTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom TableINFOID:0000000006216080
CAUTION:
Perform the self-diagnosis with CONS ULT-III before the symptom diagnosis. Perform the trouble diag-
nosis if any DTC is detected.
Symptom Possible cause Inspection item
All the following lamps do not turn ON.
Map lamp
Personal lamp
 Vanity mirror lamp
Foot lamp
Step lamp
 Puddle lamp
 Luggage room lamp
 Automatic back door close switch illumination  Harness between BCM and each
interior room lamp
BCM Interior room lamp
power supply cir-
cuit
Refer to INL-56, "
Component Func-
tion Check".
 Interior room lamp does not turn ON even though the door is open.
(It turns ON when turning the interior room
lamp ON.)
 Interior room lamp does not turn OFF even
though the door is closed.  Harness between BCM and each
door switch
 Harness between BCM and each
interior room lamp
BCM Door switch circuit
Refer to
DLK-117,
"ComponentFunctionCheck".
Interior room lamp control circuit
Refer to INL-58, "
Component Func-
tion Check".
Interior room lamp timer does not activate.
(It turns ON/ OFF when the door opens/closes.) —Check the interior room lamp setting.
Refer to
INL-14
.
 Puddle lamp does not turn ON even though the door is open.
 Puddle lamp does not turn OFF even though the door is closed.  Harness between BCM and each
door switch
 Harness between BCM and puddle lamp
BCM Door switch circuit
Refer to
DLK-117,
"ComponentFunctionCheck".
Puddle lamp circuit
Refer to INL-64, "
Diagnosis Proce-
dure".
 Luggage room lamp or automatic back door close switch illumination does not turn ON even
though the back door is open.
(It turns ON when turning the luggage room
lamp ON.)
 Luggage room lamp or automatic back door
close switch illumination does not turn OFF
even though the back door is closed.  Harness between BCM and back
door switch
 Harness between BCM and lug- gage room lamp
 Harness between BCM and auto- matic back door close switch
BCM Back door switch circuit
Refer to
DLK-120,
"ComponentFunctionCheck".
Luggage room lamp circuit
Refer to INL-60, "
Diagnosis Proce-
dure".
 Step lamps (ALL) do not turn ON.
 Step lamps (ALL) do not turn OFF.  Harness between BCM and each
step lamp
BCM Door switch circuit
Refer to
DLK-117,
"ComponentFunctionCheck".
Step lamp circuit
Refer to INL-62
.
Push-button ignition switch illumination does not
illuminate.  Harness between BCM and push-
button ignition switch
BCM Push-button ignition switch illumina-
tion circuit
Refer to
INL-65, "
Component Func-
tion Check".
Interior room lamp battery saver does not acti-
vate. BCMReplace BCM.
Refer to
BCS-81, "
Removal and In-
stallation".
Revision: 2010 May2011 QX56

INT-2
LUGGAGE FLOOR REAR BOARD ..........................34
LUGGAGE FLOOR REAR BOARD : Removal and
Installation ..............................................................
34
LUGGAGE REAR PLATE ...................................... ...35
LUGGAGE REAR PLATE : Removal and Installa-
tion ....................................................................... ...
35
LUGGAGE SIDE LOWER FINISHER .................... ...36
LUGGAGE SIDE LOWER FINISHER : Removal
and Installation .......................................................
36
REAR PILLAR FINISHER ...................................... ...37
REAR PILLAR FINISHER : Removal and Installa-
tion ..........................................................................
37
BACK PILLAR GARNISH ...................................... ...37
BACK PILLAR GARNISH : Removal and Installa-
tion ..........................................................................
37
LUGGAGE SIDE UPPER FINISHER ..................... ...38
LUGGAGE SIDE UPPER FINISHER : Removal
and Installation ........................................................
38
BACK DOOR TRIM ........................................ ...39
Exploded View ..................................................... ...39
Removal and Installation .........................................39
Revision: 2010 May2011 QX56

HEADLININGINT-31
< REMOVAL AND INSTALLATION >
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14. Remove luggage side lower finisher (LH and RH). Refer to INT-36, "LUGGAGE SIDE LOWER FINISHER
: Removal and Installation".
15. Remove front body side welt (LH and RH) and rear body side welt (LH and RH). Refer to INT-20, "
BODY
SIDE WELT : Removal and Installation".
16. Remove center pillar upper garnish (LH and RH). Refer to INT-22, "
CENTER PILLAR UPPER GARNISH :
Removal and Installation".
17. Remove rear pillar finisher (LH and RH). Refer to INT-37, "
REAR PILLAR FINISHER : Removal and
Installation".
18. Remove back pillar garnish (LH and RH). Refer to INT-37, "
BACK PILLAR GARNISH : Removal and
Installation".
19. Remove luggage side upper finisher (LH and RH). Refer to INT-38, "
LUGGAGE SIDE UPPER FINISHER
: Removal and Installation".
20. Insert a remover tool between map lamp assembly (1) and headlining assembly to disengage the fixing metal clips, and
then remove map lamp assembly.
21. Peel off dual lock fastener between headlining assembly and roof panel.
22. Remove headlining clips located at the rear side
23. Remove headlining assembly (1) through the back door.
CAUTION:
 When removing, 2 workers are required.
 Never bend headlini ng when removing.
 Be careful not to scratch or damage any part of the body while taking out the headlining.
24. Remove the following parts after removing headlining assembly.
: Metal clip
JMJIA4062ZZ
JMJIA4068ZZ
Revision: 2010 May2011 QX56

LUGGAGE FLOOR TRIMINT-37
< REMOVAL AND INSTALLATION >
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 Visually check the clips and pawls for deformation and damage during installation. Replace with new
ones if necessary.
 When installing luggage side lo wer finisher, check that clips and pawls are securely fitted in body
panel holes, and press them in.
REAR PILLAR FINISHER
REAR PILLAR FINISHER : Removal and InstallationINFOID:0000000006220262
REMOVAL
1. Remove luggage side lower finisher. INT-36, "LUGGAGE SIDE LOWER FINISHER : Removal and Instal-
lation".
2. Disengage lower side of rear pillar finisher fixing clip.
3. Pull rear pillar upper garnish (1) from inside passenger room, disengage rear pillar upper garnish upper side fixing pawl as shown in the following figure, and then remove rear pillar upper garnish from body
panel (2).
CAUTION:
Be careful not to apply excessive force when removing rear pillar finisher. Otherwise, pawl may be
damaged and fragments may drop in body panel holes on body.
INSTALLATION
Note the following items, and install in the reverse order of removal.
CAUTION:
 Replace rear pillar finisher wi th a new part after removal. Never reuse rear pillar finisher.
 Visually check the clip and pawl for deformation an d damage during installation. Replace with new
ones if necessary.
 When installing rear pillar finisher, check that cl ip and pawl are securely fitted in body panel holes,
and press them in.
BACK PILLAR GARNISH
BACK PILLAR GARNISH : Removal and InstallationINFOID:0000000006220263
REMOVAL
1. Remove luggage side lower finisher. INT-36, "LUGGAGE SIDE LOWER FINISHER : Removal and Instal-
lation".
2. Remove cap of back door finisher side (LH), and then remove stud ball. Refer to DLK-247, "
BACK DOOR
SUPPORT ROD : Removal and Installation" (LH side only).
3. Disengage back pillar garnish (1) fixing clips and pawl using a remover tool (A), and then remove back pillar garnish.
JMJIA1176ZZ
: Clip
: Pawl
JMJIA4045ZZ
Revision: 2010 May2011 QX56

BACK DOOR TRIMINT-39
< REMOVAL AND INSTALLATION >
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BACK DOOR TRIM
Exploded ViewINFOID:0000000006220265
Removal and InstallationINFOID:0000000006220266
REMOVAL
1. Fully open back door.
1. Back door finisher lower 2. Auto back door switch finisher 3. Pull handle
4. Back door assembly 5. Back door finisher side RH 6. Back door finisher upper
7. Back door finisher side LH 8. Cap 9. Lamp mask
10. Emergency handle mask : Clip
: Pawl
: Metal clip
JMJIA4421ZZ
Revision: 2010 May2011 QX56

INT-40
< REMOVAL AND INSTALLATION >
BACK DOOR TRIM
2. Disengage pull handle finisher (1) fixing pawls using a removertool (A), and then remove pull handle finisher.
3. Disengage auto back door switch finisher (1) fixing pawls using a remover tool (A), and then disconnect auto back door switch
harness connector.
4. Remove back door finisher inner lower (1) fixing clips (A).
5. Remove the back door finisher inner lower. 1. Disengage back door finisher inner lower (1) fixing clips and pawls using a remover tool (A).
NOTE:
Start disengaging from the position where pa wls are located as shown in the figure.
: Pawl
JMJIA4048ZZ
: Pawl
JMJIA4049ZZ
JMJIA4047ZZ
: Clip
: Pawl
JMJIA4050ZZ
Revision: 2010 May2011 QX56