2011 INFINITI QX56 fuses

HEADLAMP (HI) CIRCUITEXL-87
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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EXL
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2. Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> GO TO 4.
4.CHECK HEADLAMP HIGH (HI) SHORT CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> Replace fuse. (Replace IPDM E/R if the fuse is fusing again.)
NO >> Repair or replace harness. And then replace the fuse.
5.CHECK HEADLAMP (HI) GROUND OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front combination lamp connector.
3. Check continuity between front combination lamp harness connector and ground.
Is the inspection result normal?
YES >> Replace front combination lamp.
NO >> Repair or replace harness.
Unit Location Fuse No. Capacity
Headlamp HI (RH) IPDM E/R #51
10 A
Headlamp HI (LH) #52
IPDM E/R
GroundContinuity
Connector Terminal
RH E1549
Not existed
LH 50
Front combination lamp
GroundContinuity
Connector Terminal
RH E119 2Existed
LH E118
Revision: 2010 May2011 QX56

EXL-88
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
HEADLAMP (LO) CIRCUIT
HEADLAMP (LO) CIRCUIT
Component Function CheckINFOID:0000000006213957
1.CHECK HEADLAMP (LO) OPERATION
CONSULT-III ACTIVE TEST
1. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2. With operating the test items, che ck that the headlamp (LO) is turned ON.
Is the inspection result normal?
YES >> Headlamp (LO) is normal.
NO >> Refer to EXL-88, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006213958
1.CHECK HEADLAMP (LO) OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Turn ignition switch OFF.
2. Disconnect front combination lamp connector.
3. Turn ignition switch ON.
4. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
5. With operating the test items, check vo ltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK HEADLAMP (LO) OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connec tor and front combination lamp harness connector.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace harness.
3.CHECK HEADLAMP (LO) FUSE
1. Turn ignition switch OFF.
2. Check that the following fuses are not fusing. Lo : Headlamp (LO) ON
Off : Headlamp (LO) OFF
(+)
(− ) Test item Vo l ta g e
(Approx.)
IPDM E/R
Connector Terminal
RH E1552
GroundEXTERNAL
LAMPS Lo Battery voltage
Off 0 V
LH 51 Lo Battery voltage
Off 0 V
IPDM E/R Front combination lamp Continuity
Connector Terminal Connector Terminal
RH E1552 E119
5 Existed
LH 51 E118
Revision: 2010 May2011 QX56

EXL-96
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
PARKING LAMP CIRCUIT
PARKING LAMP CIRCUIT
Component Function CheckINFOID:0000000006213964
1.CHECK PARKING LAMP OPERATION
CONSULT-III ACTIVE TEST
1. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2. With operating the test items, check that the parking lamp is turned ON.
Is the inspection result normal?
YES >> Parking lamp circuit is normal.
NO >> Refer to EXL-96, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006213965
1.CHECK PARKING LAMP FUSE
1. Turn ignition switch OFF.
2. Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK PARKING LAMP SHORT CIRCUIT
1. Disconnect the following connectors.
- IPDM E/R
- Front combination lamp
- Rear combination lamp
- License plate lamp
2. Check continuity between IP DM E/R harness connector and ground.
Is the inspection result normal?
YES >> Replace fuse. (Replace IPDM E/R if fusing is found again.)
NO >> Repair or replace harness. And then replace the fuse.
3.CHECK PARKING LAMP BULB
Check applicable lamp bulb.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace bulb.
4.CHECK PARKING LAMP OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Disconnect front combination lamp connector.
2. Turn ignition switch ON. TAIL : Parking lamp ON
Off : Parking lamp OFF
Unit Location Fuse No. Capacity
Parking lamp IPDM E/R #46
10 A
#47
IPDM E/R
GroundContinuity
Connector Terminal
RH E1437
Not existed
LH 43
Revision: 2010 May2011 QX56

AFS SWITCHEXL-107
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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EXL
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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

TAIL LAMP CIRCUITEXL-109
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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EXL
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TAIL LAMP CIRCUIT
BODY SIDE
BODY SIDE : Component Function CheckINFOID:0000000006213976
1.CHECK TAIL LAMP OPERATION
CONSULT-III ACTIVE TEST
1. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2. With operating the test items, chec k that the tail lamp is turned ON.
Is the inspection result normal?
YES >> Tail lamp circuit is normal.
NO >> Refer to EXL-109, "
BODY SIDE : Diagnosis Procedure".
BODY SIDE : Diagnosis ProcedureINFOID:0000000006213977
1.CHECK TAIL LAMP FUSE
1. Turn ignition switch OFF.
2. Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the malfunctioning part before replacing the fuse.
2.CHECK TAIL LAMP OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Disconnect rear combination lamp connector.
2. Turn ignition switch ON.
3. Select “EXTERNAL LAMPS” of IPDM E/R active test item.
4. With operating the test items, check vo ltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 4.
3.CHECK TAIL LAMP OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the following connectors.
- IPDM E/R
- Front combination lamp
- Rear combination lamp TAIL : Tail Lamp ON
Off : Tail lamp OFF
Unit Location Fuse No. Capacity
Tail lamp IPDM E/R #46
10 A
#47
(+)
(− )Test item Vo l ta g e
(Approx.)
IPDM E/R
Connector Terminal
E14 38
GroundEXTERNAL
LAMPS TAIL Battery voltage
Off 0 V
44 TAIL Battery voltage
Off 0 V
Revision: 2010 May2011 QX56

MWI-64
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis ProcedureINFOID:0000000006221743
1.CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check harness between combination meter and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector.
3. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
Power source Fuse No.
Battery 11
Ignition switch ON or START 3
Te r m i n a l s
Ignition switch po-sition Vol tag e
(Approx.)
(+) (
−)
Combination meter
Ground
Connector Terminal
M34 1OFF
Battery voltage
2ON
Combination meter
GroundContinuity
Connector Terminal
M34 3
Existed
23
Revision: 2010 May2011 QX56

PCS
POWER SUPPLY AND GROUND CIRCUITPCS-31
< DTC/CIRCUIT DIAGNOSIS > [IPDM E/R]
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POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000006220185
1.CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check voltage between IPDM E/R harness connector and the ground.
Is the measurement value normal?
YES >> GO TO 3.
NO >> Repair the harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and the ground.
Does continuity exist?
YES >> INSPECTION END
NO >> Repair the harness or connector.
Signal name Fuses and fusible link No.
Battery power supply C (100 A)
N (60 A)
37 (10 A)
(+) (− ) Voltag e
(Approx.)
IPDM E/R
Connector Terminal
E9 1
Ground Battery voltage
2
E10 8
IPDM E/R
GroundContinuity
Connector Terminal
E11 9 Existed
E12 18
Revision: 2010 May2011 QX56

POWER SUPPLY AND GROUND CIRCUITSE-67
< DTC/CIRCUIT DIAGNOSIS >
C
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SE
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
CLIMATE CONTROLLED SEAT CONTROL UNIT
CLIMATE CONTROLLED SEAT CONT ROL UNIT : Diagnosis ProcedureINFOID:0000000006217389
Driver side
1.CHECK FUSE
Check that the following fuses are not fusing.
Is the fuse fusing?
YES >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO >> GO TO 2.
2.CHECK CLIMATE CONTROLLED SEAT CONTRO L UNIT (DRIVER SIDE) POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat control unit (driver side) connector.
3. Turn ignition switch ON.
4. Check voltage between climate controlled seat c ontrol unit (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 7.
NO >> GO TO 3.
3.CHECK CLIMATE CONTROLLED SEAT CONTROL UNI T (DRIVER SIDE) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat relay.
3. Check continuity between climate controlled seat control unit (driver side) harness connector and climate
controlled seat relay harness connector.
4. Check continuity between climate controlled seat control unit (driver side) harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connector.
Signal name Fuse No.
Battery power supply 82(15A) IGN power supply 3 (10A)
(+) (− ) Voltage (V)
(Approx.)
Climate controlled seat co
ntrol unit (driver side)
Connector Terminal B508 53 Ground Battery voltage
B509 74
Climate controlled seat control unit (dri ver side) Climate controlled seat relay
Continuity
Connector Terminal Connector Terminal
B508 53 E18 6 Existed
B509 74
Climate controlled seat co ntrol unit (driver side)
GroundContinuity
Connector Terminal
B508 53 Not existed
B509 74
Revision: 2010 May2011 QX56