light INFINITI QX56 2011 Factory Service Manual

INSPECTION AND ADJUSTMENTEXL-61
< BASIC INSPECTION > [XENON TYPE]
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLAC ING CONTROL UNIT (AFS CONTROL
UNIT)
ADDITIONAL SERVICE WHEN REPLAC ING CONTROL UNIT (AFS CONTROL
UNIT) : Description
INFOID:0000000006213923
Perform “LEVELIZER ADJUSTMENT” with CONSUL T-III when replacing the AFS control unit.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (AFS CONTROL
UNIT) : Special Repair Requirement
INFOID:0000000006213924
1.LEVELIZER ADJUSTMENT
Perform “LEVELIZER ADJUSTMENT”.
>> Refer to EXL-61, "
LEVELIZER ADJUSTMENT : Special Repair Requirement".
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (HEIGHT SEN-
SOR)
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (HEIGHT SENSOR) :
Description
INFOID:0000000006213925
Perform “LEVELIZER ADJUSTMENT” with CONS ULT-III when replacing the height sensor.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (HEIGHT SENSOR) :
Special Repair Requirement
INFOID:0000000006213926
1.LEVELIZER ADJUSTMENT
Perform “LEVELIZER ADJUSTMENT”.
>> Refer to EXL-61, "
LEVELIZER ADJUSTMENT : Special Repair Requirement".
LEVELIZER ADJUSTMENT
LEVELIZER ADJUSTMENT : DescriptionINFOID:0000000006213927
Perform “LEVELIZER ADJUSTME NT” when installing, removing, and replacing the height sensor and the sus-
pension components.
LEVELIZER ADJUSTMENT : S pecial Repair RequirementINFOID:0000000006213928
CAUTION:
If perform aiming adjustment after the levelizer initia lization, be sure to start the engine running after
turning ignition switch OFF.
1.CHECK VEHICLE CONDITION
1. Park the vehicle in the straight-forward position.
2. Unload the vehicle (no passenger aboard).
>> GO TO 2.
2.LEVELIZER ADJUSTMENT
CONSULT-III WORK SUPPORT
1. Select “LEVELIZER ADJUSTMENT” of ADAPTIVE LIGHT work support item.
2. Select “START”.
3. When “ADJUSTMENT IS CO MPLETED”, select “END”.
CAUTION:
Revision: 2010 May2011 QX56

B2503, B2504 SWIVEL ACTUATOREXL-65
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace harnesses.
5.CHECK SWIVEL MOTOR CIRCUIT VOLTAGE OUTPUT
1. Connect AFS control unit connector.
2. Start the engine.
3. Turn the headlamp ON.
4. Select “LOW BEAM TEST RIGHT” or “LOW BEAM TEST LEFT” of ADAPTIVE LIGHT active test item.
5. With operating the test item, check voltage between AFS control unit harness connector and ground.
Is the inspection result normal?
YES >> Replace front combination lamp.
NO >> Replace AFS control unit. Refer to EXL-135, "
Removal and Installation"
6.CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT INPUT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect headlamp swivel actuator connector.
3. Turn ignition switch ON.
4. Check voltage between headlamp swivel actuator harness connector and ground.
AFS control unit
GroundContinuity
Connector Terminal
RH M135 11
Not existed
13
32
34
LH 15
17
36
38
(+)
(− ) Condition Vo l ta g e
(Approx.)
AFS control unit
Connector Terminal
RH
M135 11
Ground Swivel motor Active
8 - 12 V
32
LH 15
36
RH 13
Stop 9.5 - 11.5 V
34
LH 17
38
SKIB2408J
(+)
(− ) Vol tag e
(Approx.)
Headlamp swivel actuator
Connector Terminal
RH E123 2Ground5 V
LH E122
Revision: 2010 May2011 QX56

EXL-90
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
XENON HEADLAMP
XENON HEADLAMP
Diagnosis ProcedureINFOID:0000000006213959
1.CHECK XENON BULB
Install the normal bulb to the applicable headlamp. Turn the lighting switch ON.
Is the headlamp turned ON?
YES >> Replace xenon bulb.
NO >> GO TO 2.
2.CHECK HID CONTROL UNIT
Install the normal HID control unit to the applicable headlamp. Turn the lighting switch ON
Is the headlamp turned ON?
YES >> Replace HID control unit.
NO >> Xenon headlamp is normal. Check headlamp control system.
Revision: 2010 May2011 QX56

HEADLAMP LEVELIZER CIRCUITEXL-91
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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HEADLAMP LEVELIZER CIRCUIT
Component Function CheckINFOID:0000000006213960
1.CHECK AIMING MOTOR OPERATION
CONSULT-III ACTIVE TEST
1. Start the engine.
2. Turn the lighting switch 2ND.
3. Select “LEVELIZER TEST” of ADAP TIVE LIGHT active test item.
4. With operating the test item, check the operation.
Is the operation normal?
YES >> Headlamp levelizer circuit is normal.
NO >> Refer to EXL-91, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006213961
1.CHECK AIMING MOTOR DRIVE SIGNAL OUTPUT
CONSULT-III ACTIVE TEST
1. Start the engine.
2. Turn light switch 2ND.
3. Select “LEVELIZER TEST” of ADAP TIVE LIGHT active test item.
4. With operating the test item, check voltage between AFS control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK AIMING MOTOR DRIVE SIGNAL OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector and headlamp aiming motor connector.
3. Check continuity between AFS control unit har ness connector and head lamp aiming motor harness con-
nector.
Is the inspection result normal?
YES >> Replace front combination lamp.
NO >> Repair or replace harness.
Te s t i t e m Optical axis
LEVELIZER TEST
Origin Standard positonPeak Lowest position
(+) (− ) Test item Voltag e
(Approx.)
AFS control unit
Connector Terminal
RH M13519
Ground LEVELIZER TEST Origin 7.5 V
Peak 7.3 V
LH 40 Origin 7.5 V
Peak 7.3 V
AFS control unit Headlamp aiming motor
Continuity
Connector Terminal Connector Terminal
RH M13519 E121
1 Existed
LH 40 E120
Revision: 2010 May2011 QX56

EXL-98
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
FRONT SIDE MARKER LAMP CIRCUIT
FRONT SIDE MARKER LAMP CIRCUIT
Component Function CheckINFOID:0000000006238400
1.CHECK PARKING LAMP OPERATION
Check that the parking lamp is turned ON.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to EXL-96, "
Component Function Check".
2.CHECK FRONT SIDE MARKER LAMP 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 front side marker lamp is turned ON.
Is the inspection result normal?
YES >> Front side marker lamp circuit is normal.
NO >> Refer to EXL-98, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006238401
1.CHECK FRONT SIDE MARKER LAMP BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace bulb.
2.CHECK FRONT SIDE MARKER LAMP OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front combination lamp connector.
3. Check continuity between IPDM E/R harness connec tor and front combination lamp harness connector.
Is the inspection result normal?
YES >> Check corresponding bulb socket and harness. Repair or replace if necessary.
NO >> Repair or replace harness. TAIL : Front side marker lamp ON
Off : Front side marker lamp OFF
IPDM E/R Front combination lamp
Continuity
Connector Terminal Connector Terminal
LH E1443 E118
4 Existed
RH 37 E119
Revision: 2010 May2011 QX56

EXL-102
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
OPTICAL SENSOR
OPTICAL SENSOR
Component Function CheckINFOID:0000000006213969
1.CHECK OPTICAL SENSOR SI
GNAL BY CONSULT-III
CONSULT-III DATA MONITOR
1. Turn ignition switch ON.
2. Select “OPTISEN (DTCT)” of BCM (HEADLAMP) data monitor item.
3. Turn lighting switch AUTO.
4. With the optical sensor illuminating, check the monitor status.
*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.
Is the inspection result normal?
YES >> Optical sensor is normal.
NO >> Refer to EXL-102, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006213970
1.CHECK OPTICAL SENSOR POWER SUPPLY INPUT
1. Turn ignition switch ON.
2. Turn lighting switch AUTO.
3. Check voltage between optical sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK OPTICAL SENSOR GROUND INPUT
Check voltage between optical sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 6.
3.CHECK OPTICAL SENSOR SIGNAL OUTPUT
With illuminating the optical sensor, check vo ltage between optical sensor harness connector and ground.
Monitor item Condition Voltage (Approx.)
OPTISEN (DTCT) Optical sensor When illuminating 3.1 V or more *
When shutting off light 0.6 V or less
(+)
(− ) Vo l ta g e
(Approx.)
Optical sensor
Connector Terminal M17 1 Ground 5 V
(+) (− ) Vo l ta g e
(Approx.)
Optical sensor
Connector Terminal M17 3 Ground 0 V
Revision: 2010 May2011 QX56

OPTICAL SENSOREXL-103
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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*: Illuminate the optical sensor. The value may be less than the standard if brightness is weak.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace the optical sensor.
4.CHECK OPTICAL SENSOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect optical sensor connector and BCM connector.
3. Check continuity between optical sensor harness connector and BCM harness connector.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace harness.
5.CHECK OPTICAL SENSOR SHORT CIRCUIT
Check continuity between optical sensor harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> Repair or replace harness.
6.CHECK OPTICAL SENSOR GROUND OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect optical sensor connector and BCM connector.
3. Check continuity between optical sensor harness connector and BCM harness connector.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> Repair or replace harness.
7.CHECK OPTICAL SENSOR SIGNAL OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect optical sensor connector and BCM connector.
3. Check continuity between optical sensor harness connector and BCM harness connector.
(+)
(− ) Condition Vo l ta g e
(Approx.)
Optical sensor
Connector Terminal
M17 2 Ground Optical sensor When illuminating 3.1 V or more *
When shutting off light 0.6 V or less
Optical sensor BCM
Continuity
Connector Terminal Connector Terminal
M17 1 M68 17 Existed
Optical sensor GroundContinuity
Connector Terminal
M17 1 Not existed
Optical sensor BCM Continuity
Connector Terminal Connector Terminal
M17 3 M68 18 Existed
Revision: 2010 May2011 QX56

AFS SWITCHEXL-107
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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AFS SWITCH
Component Function CheckINFOID:0000000006213973
1.CHECK AFS SWITCH SIGNAL BY CONSULT-III
CONSULT-III DATA MONITOR
1. Turn ignition switch ON.
2. Select “AFS SW” of ADAPTIVE LIGHT data monitor item.
3. With operating the AFS switch , check the monitor status.
Is the inspection result normal?
YES >> AFS switch circuit is normal.
NO >> Refer to EXL-107, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006213974
1.CHECK AFS SWITCH FUSE
1. Turn ignition switch OFF.
2. Check that the following fuses is not fusing.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the applicable. And then replace the fuse.
2.CHECK POWER SUPPLY CIRCUIT
1. Disconnect triple switch connector.
2. Check voltage between triple switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK AFS SWITCH CIRCUIT
1. Disconnect AFS control unit connector.
2. Check continuity between AFS control unit har ness connector and triple switch harness connector.
3. Check continuity between AFS control unit harness connector and ground.
Monitor item Condition Monitor status
AFS SW AFS switch ON On
OFF Off
Location Fuse No. Capacity
Fuse block (J/B) #3 10 A
(+) (–)Voltage (V)
(Approx.)
Triple switch
Connector Terminal M126 3 Ground Battery voltage
AFS control unit Triple switch Continuity
Connector Terminal Connector Terminal
M1353M1264Existed
AFS control unit GroundContinuity
Connector Terminal
M135 3 Not existed
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

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