INFINITI QX56 2011 Factory Service Manual

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

PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT
INL-65
< DTC/CIRCUIT DIAGNOSIS >
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PUSH-BUTTON IGNITION SWIT CH ILLUMINATION CIRCUIT
Component Function CheckINFOID:0000000006265016
1.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION OPERATION
CONSULT-III ACTIVE TEST
1. Turn the ignition switch ON.
2. Select “ENGINE SW ILLUMI” of BCM (I NTELLIGENT KEY) active test item.
3. With operating the test items, check that the pus h-button ignition switch illumination turns ON/OFF.
Does the push-button ignition switch illumination turn ON/OFF?
YES >> Push-button ignition switch illumination circuit is normal.
NO >> Refer to INL-65, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006265017
1.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OUTPUT
1. Turn ignition switch OFF.
2. Lighting switch OFF.
3. Disconnect push-button ignition switch connector.
4. Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK PUSH-BUTTON IGNITION SWITCH ILLU MINATION POWER SUPPLY OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and the push-button ignition switch harness connector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harnesses.
3.CHECK PUSH-BUTTON IGNITION SWITCH ILLU MINATION POWER SUPPLY SHORT CIRCUIT
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
On : Push-button ignition
switch illumination ON
Off : Push-button ignition switch illumination OFF
(+)
(–) Condition Vo l ta g e
(Approx.)
Push-button ignition switch
Connector Terminal
M101 3 Ground Push-button ignition
switch illuminationON Condition 12 V
OFF Condition 0 V
BCM Push-button ignition switch Continuity
Connector Terminal Connector Terminal
M71 90 M101 3 Existed
BCM GroundContinuity
Connector Terminal
M71 90 Not existed
Revision: 2010 May2011 QX56

INL-66
< DTC/CIRCUIT DIAGNOSIS >
PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT
NO >> Repair or replace harnesses.
4.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT-1
1. Connect push-button ignition switch connector.
2. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace BCM. Refer to BCS-81, "
Removal and Installation".
5.CHECK PUSH-BUTTON IGNITION SWIT CH ILLUMINATION GROUND CIRCUIT-2
1. Check continuity between push-button ignition switch harness connector and BCM harness connector.
2. Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES >> Replace push-button ignition switch.
NO >> Repair or replace harnesses.
(+) (–) Condition Vo l ta g e
(Approx.)
BCM
Connector Terminal
M71 92 Ground Push-button ignition switch
illuminationON Condition 0 V
Push-button ignition switch BCM
Continuity
Connector Terminal Connector Terminal
M101 2 M71 92 Existed
Push-button ignition switch GroundContinuity
Connector Terminal
M101 2 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

INL-68
< REMOVAL AND INSTALLATION >
MAP LAMP
REMOVAL AND INSTALLATION
MAP LAMP
Exploded ViewINFOID:0000000006288640
Removal and InstallationINFOID:0000000006288641
Refer to INT-29, "Removal and Installation" for the map lamp assembly removal and installation.
ReplacementINFOID:0000000006288642
CAUTION:
 Disconnect the battery cable from negative terminal or remove the fuse.
 Never touch the glass of bulb directly by hand. Keep grease and other oily substaces away from it.
Never touch bulb by hand while it is lit or right after it is off.
 Never leave bulb out of lamp reflector for a long ti me because dust, moisture smoke, etc. may affect
the performance of lamp. When replacing bu lb, be sure to replace it with a new one.
MAP LAMP BULB
1. Insert any appropriate tool into the gap between the lens, and then remove the lens.
2. Remove the bulb.
1. Map lamp assembly 2. Bulb 3. Lens
: Pawl
JMLIA0539ZZ
Revision: 2010 May2011 QX56

VANITY MIRROR LAMPINL-69
< REMOVAL AND INSTALLATION >
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VANITY MIRROR LAMP
Exploded ViewINFOID:0000000006288643
ReplacementINFOID:0000000006288644
CAUTION:
 Disconnect the battery cable from negative terminal or remove the fuse.
 Never touch the glass of bulb directly by hand. Keep grease and other oily substaces away from it.
Never touch bulb by hand while it is lit or right after it is 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 a new one.
VANITY MIRROR LAMP BULB
1. Insert any appropriate tool into the gap between the lens, and then remove the lens.
2. Remove the bulb.
1. Lens 2. Bulb
: Pawl
JMLIA1048ZZ
Revision: 2010 May2011 QX56

INL-70
< REMOVAL AND INSTALLATION >
GLOVE BOX LAMP
GLOVE BOX LAMP
Exploded ViewINFOID:0000000006288647
ReplacementINFOID:0000000006288648
CAUTION:
 Disconnect the battery cable from negative terminal or remove the fuse.
 Never touch the glass of bulb directly by hand. Keep grease and other oily substaces away from it.
Never touch bulb by hand while it is lit or right after it is off.
 Never leave bulb out of lamp reflector for a long ti me because dust, moisture smoke, etc. may affect
the performance of lamp. When replacing bu lb, be sure to replace it with a new one.
GLOVE BOX LAMP BULB
1. Remove glove box assembly. Refer to IP-14, "Removal and Installation".
2. Rotate the bulb socket counterclockwise and unlock it.
3. Remove the bulb.
1. Glove box assembly 2. Bulb socket 3. Bulb
4. Lamp housing
JMLIA1050ZZ
Revision: 2010 May2011 QX56

FOOT LAMPINL-71
< REMOVAL AND INSTALLATION >
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FOOT LAMP
DRIVER SIDE
DRIVER SIDE : Exploded ViewINFOID:0000000006288649
DRIVER SIDE : ReplacementINFOID:0000000006288650
CAUTION:
 Disconnect the battery cable from negative terminal or remove the fuse.
 Never touch the glass of bulb directly by hand. Keep grease and other oily substaces away from it.
Never touch bulb by hand while it is lit or right after it is 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 a new one.
FOOT LAMP BULB (DRIVER SIDE)
1. Remove instrument lower panel LH. Refer to IP-14, "Removal and Installation".
2. Rotate the bulb socket counterclockwise and unlock it.
3. Remove the bulb.
PASSENGER SIDE
PASSENGER SIDE : Exploded ViewINFOID:0000000006288651
1. Bulb socket 2. Bulb 3. Lamp housing
4. Instrument lower panel LH
JMLIA1051ZZ
JMLIA1052ZZ
Revision: 2010 May2011 QX56

INL-72
< REMOVAL AND INSTALLATION >
FOOT LAMP
PASSENGER SIDE : Replacement
INFOID:0000000006288652
CAUTION:
 Disconnect the battery cable from negative terminal or remove the fuse.
 Never touch the glass of bulb directly by hand. Keep grease and other oily substaces away from it.
Never touch bulb by hand while it is lit or right after it is off.
 Never leave bulb out of lamp reflector for a long ti me because dust, moisture smoke, etc. may affect
the performance of lamp. When replacing bu lb, be sure to replace it with a new one.
FOOT LAMP BULB (PASSENGER SIDE)
1. Remove instrument lower cover. Refer to IP-14, "Removal and Installation".
2. Rotate the bulb socket counterclockwise and unlock it.
3. Remove the bulb.
REAR FOOT LAMP
REAR FOOT LAMP : Exploded ViewINFOID:0000000006288653
REAR FOOT LAMP : Re moval and InstallationINFOID:0000000006288654
CAUTION:
 Disconnect the battery cable from negative terminal or remove the fuse.
 Never touch rear foot lamp assembly directly by hand. Keep grease and other oily substaces away
from it.
 Never touch rear foot lamp assembly by hand while it is lit or right after it is off.
REMOVAL
1. Remove seat cushion front finisher. Refer to SE-112, "Removal and Installation".
2. Release seatback lower carpet band fr om the back of seat cushion frame.
3. Pull seatback lower carpet toward vehicle rear from underside.
1. Instrument lower cover 2. Lamp housing 3. Bulb
4. Bulb socket
1. Rear foot lamp assembly 2. Seatback lower carpet
: Clip
: Pawl
Vehicle front
JMLIA1149ZZ
Revision: 2010 May2011 QX56

FOOT LAMPINL-73
< REMOVAL AND INSTALLATION >
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4. Disengage rear foot lamp assembly fixing pawls using a small flat-bladed screwdriver (A) as shown by the arrow in the figure.
5. Remove rear foot lamp assembly from seatback lower carpet.
INSTALLATION
Note the following items, and install in the reverse order of removal.
CAUTION:
 Rear foot lamp cannot be disassembled.
 Always replace rear foot lamp as an assembly, when replacing.
:Pawl
:Vehicle front
JMLIA1150ZZ
Revision: 2010 May2011 QX56