2011 INFINITI QX56 bulb

TURN SIGNAL LAMP CIRCUITEXL-101
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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Rear turn signal lamp
Is the inspection result normal?
YES >> Check corresponding bulb socket and harness. Repair or replace if necessary.
NO >> Repair or replace harness.
Rear combination lamp GroundContinuity
Connector Terminal
LH B60 4 Existed
RH B232
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-112
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
LICENSE PLATE LAMP CIRCUIT
LICENSE PLATE LAMP CIRCUIT
Component Function CheckINFOID:0000000006213978
1.CHECK TAIL LAMP OPERATION
Check that the tail lamp is turned ON.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to EXL-109, "
BODY SIDE : Component Function Check".
2.CHECK LICENSE PLATE LAMP OPERATION
CONSULT-III ACTIVE TEST
1. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2. With operating the lighting switch, check t hat the license plate lamp is turned ON.
Is the inspection result normal?
YES >> License plate lamp circuit is normal.
NO >> Refer to EXL-112, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006213979
1.CHECK LICENSE PLATE LAMP BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace bulb.
2.CHECK LICENSE PLATE LAMP OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and license plate lamp connector.
3. Check continuity between IPDM E/R harness connector and license plate lamp harness connector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK LICENSE PLATE LAMP GROUND OPEN CIRCUIT
Check continuity between license plate lamp 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 : License plate lamp ON
Off : License plate lamp OFF
IPDM E/R License plate lamp
Continuity
Connector Terminal Connector Terminal
LH E14 44 D167
1 Existed
RH D168
License plate lamp
GroundContinuity
Connector Terminal
LH D167 2 Existed
RH D168
Revision: 2010 May2011 QX56

EXTERIOR LIGHTING SYSTEM SYMPTOMSEXL-113
< SYMPTOM DIAGNOSIS > [XENON TYPE]
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SYMPTOM DIAGNOSIS
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom TableINFOID:0000000006213980
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
Headlamp does not
switch to the high beam. One sideFuse
 Harness between IPDM E/R
and the front combination lamp
 Front combination lamp
(High beam solenoid)
 IPDM E/R
 Harness between the front com- bination lamp and ground Headlamp (HI) circuit
Refer to
EXL-86, "
Component
Function Check".
Both sides Symptom diagnosis
“BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM”
Refer to
EXL-117, "
Diagnosis Procedure".
High beam indicator lamp is not turned ON.
[Headlamp (HI) is turned ON.] Combination meter Combination meter
Data monitor “HI-BEAM IND”
 BCM (HEAD LAMP) Active test “HEADLAMP”
Headlamp does not
switch to the low beam. One side
Front combination lamp (High
beam solenoid) —
Both sides  Combination switch
 Harness between the combina-
tion switch and BCM
BCM Combination switch
Refer to
BCS-80, "
Symptom Table".
High beam request signal
BCM
 IPDM E/R IPDM E/R
Data monitor “HL HI REQ”
IPDM E/R —
Headlamp is not turned
ON. One sideFuse
 Xenon bulb
 Harness between IPDM E/R
and the front combination lamp
 Front combination lamp (xenon
headlamp)
 IPDM E/R
 Harness between the front com- bination lamp and ground Headlamp (L
O) circuit
Refer to EXL-88, "
Component
Function Check".
Both sides Symptom diagnosis
“BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON”
Refer to EXL-118, "
Diagnosis Procedure".
Headlamp is not turned
OFF. When the ignition
switch is turned ON
The ignition switch is
turned OFF (After acti-
vating the battery sav-
er).
IPDM E/R —
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

EXL-116
< SYMPTOM DIAGNOSIS >[XENON TYPE]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006213981
XENON HEADLAMP
 Brightness and the color of light may change slightly
immediately after turning the headlamp ON until the
xenon bulb becomes stable. This is normal.
 Illumination time lag may occur between right and left. This is normal.
AUTO LIGHT SYSTEM
The headlamp may not be turned ON/OFF immediately afte r passing dark area or bright area (short tunnel,
sky bridge, shadowed area etc.) while using the auto light system. This causes for the control difference. This
is normal.
Revision: 2010 May2011 QX56

FRONT COMBINATION LAMPEXL-125
< REMOVAL AND INSTALLATION > [XENON TYPE]
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REMOVAL AND INSTALLATION
FRONT COMBINATION LAMP
Exploded ViewINFOID:0000000006369463
REMOVAL
DISASSEMBLY
CAUTION:
HID control unit and xenon bul b socket cannot be disassembled.
Removal and InstallationINFOID:0000000006369464
REMOVAL
CAUTION:
1. Front combination lamp
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1. Headlamp housing assembly 2. Retaining spring 3. Xenon bulb
4. Side marker lamp bulb 5. Side marker lamp bulb socket 6. Xenon bulb socket
7. Seal packing 8. Resin cap 9. Parking lamp bulb socket
10. Parking lamp bulb 11. Front turn signal lamp bulb 12. Front turn signal lamp bulb socket
13. HID control unit 14. Seal packing 15. Bumper bracket
Refer to GI-4, "
Components" for symbols not described above.
JMLIA1320ZZ
Revision: 2010 May2011 QX56

EXL-126
< REMOVAL AND INSTALLATION >[XENON TYPE]
FRONT COMBINATION LAMP
Disconnect the battery negative terminal or remove the fuse.
1. Remove front grille. Refer to
EXT-19, "
Removal and Installation".
2. Remove front bumper molding. Refer to EXT-13, "
Removal and Installation".
3. Remove front bumper fascia. Refer to EXT-13, "
Removal and Installation".
4. Remove headlamp mounting bolts.
5. Pull out headlamp assembly forward vehicle.
6. Disconnect connectors before removing headlamp assembly.
INSTALLATION
Install in the reverse order of removal.
NOTE:
After installation, perform aiming adjustment. Refer to EXL-121, "
description".
ReplacementINFOID:0000000006369465
CAUTION:
 Disconnect the battery negative terminal or remove the fuse.
 After installing the bulb, install the resin cap and the bulb socket securely for watertightness.
 Never touch the glass of bu lb directly by hand. Keep grease an d 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 ti me because dust, moisture smoke, etc. may affect
the performance of lamp. When replacing bulb, be sure to replace it with new one.
HEADLAMP BULB (HI/LO)
1. Remove fender protector. Refer to EXT-23, "FENDER PROTECTOR : Removal and Installation".
2. Rotate resin cap counterclockwise and unlock it.
3. Rotate bulb socket counterclockwise and unlock it.
4. Remove retaining spring lock. And then remove bulb from headlamp housing assembly.
CAUTION:
Never break the xenon bulb ceramic tube when replacing
the bulb.
PARKING LAMP BULB
1. Remove hood switch*.
*:When replace a right.
2. Rotate bulb socket counterclockwise and unlock it.
3. Remove bulb from bulb socket.
FRONT TURN SIGNAL LAMP BULB
1. Remove hood switch*.
*:When replace a right.
2. Rotate bulb socket counterclockwise and unlock it.
3. Remove bulb from bulb socket.
SIDE MARKER LAMP BULB
1. Remove fender protector. Refer to EXT-23, "FENDER PROTECTOR : Removal and Installation"
2. Rotate bulb socket counterclockwise and unlock it.
3. Remove bulb from bulb socket.
JPLIA0919ZZ
Revision: 2010 May2011 QX56