2011 INFINITI QX56 Factory Service Manual

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Page 3329 of 5598

INFINITI QX56 2011 Factory Service Manual
INL-62
< DTC/CIRCUIT DIAGNOSIS >
STEP LAMP CIRCUIT
STEP LAMP CIRCUIT
DescriptionINFOID:0000000006216073
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check

Page 3330 of 5598

INFINITI QX56 2011 Factory Service Manual
STEP LAMP CIRCUITINL-63
< DTC/CIRCUIT DIAGNOSIS >
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Is the inspection result normal?
YES >> Replace step lamp.
NO >> Repair or replace harnesses.
3.CHECK STEP LAMP SHOR

Page 3331 of 5598

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 Proced

Page 3332 of 5598

INFINITI QX56 2011 Factory Service Manual
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:00

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

Page 3333 of 5598

INFINITI QX56 2011 Factory Service Manual
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-

Page 3334 of 5598

INFINITI QX56 2011 Factory Service Manual
INTERIOR LIGHTING SYSTEM SYMPTOMSINL-67
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
INTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom TableINFOID:0000000006216080
CAUTION:
Perfor

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

Page 3335 of 5598

INFINITI QX56 2011 Factory Service Manual
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 Insta

Page 3336 of 5598

INFINITI QX56 2011 Factory Service Manual
VANITY MIRROR LAMPINL-69
< REMOVAL AND INSTALLATION >
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VANITY MIRROR LAMP
Exploded ViewINFOID:0000000006288643
ReplacementINFOID:0000000006288644
CAUTION:
Disconnect

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