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U1010 CONTROL UNIT (CAN)EXL-83
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U1010 CONTROL UNIT (CAN)
DTC LogicINFOID:0000000006213951
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000006213952
1.REPLACE AFS CONTROL UNIT
When DTC [U1010] is detected, replace AFS control unit.
>> Replace AFS control unit. Refer to EXL-135, "
Removal and Installation"
DTC No. Trouble diagnosis name DTC detection condition Possible cause
U1010 Control unit (CAN) AFS control unit detected internal CAN
communication circuit malfunction.AFS control unit
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
EXL-84
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AFS CONTROL UNIT
AFS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006213953
1.FUSE INSP INFINITI QX56 2011 Factory Service Manual
EXL-84
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AFS CONTROL UNIT
AFS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006213953
1.FUSE INSP](/manual-img/42/57033/w960_57033-2793.png)
EXL-84
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AFS CONTROL UNIT
AFS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006213953
1.FUSE INSPECTION
Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the applicable circuit. And then replace the fuse.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS control unit harness connector.
3. Turn ignition switch ON.
4. Check voltage between AFS control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between AFS control unit harness connectors and ground.
Is the inspection result normal?
YES >> Power supply and ground circuit are normal.
NO >> Repair harness or connector.
Signal name Connection position Fuse No. Capacity
Ignition power supply FUSE BLOCK (J/B) 3 10 A
(+)
(− ) Voltag e
(Approx.)
AFS control unit
Connector Terminal M135 1 Ground Battery voltage
AFS control unit GroundContinuity
Connector Terminal
M135 25 Existed
Revision: 2010 May2011 QX56
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EXTERIOR LAMP FUSEEXL-85
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EXTERIOR LAMP FUSE
Diagnosis ProcedureINFOID:0000000006213954
1.CHECK FUSE
Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> The fuse is normal.
NO >> Repair the applicable circuit. And then replace the fuse.
Unit Location Fuse No. Capacity
Headlamp HI (LH) IPDM E/R #52 10 A
Headlamp HI (RH) IPDM E/R #51 10 A
Headlamp LO (LH) IPDM E/R #53 15 A
Headlamp LO (RH) IPDM E/R #54 15 A
Front fog lamp IPDM E/R #50 15 A
Parking lamp (LH)
Front side marker lamp (LH) IPDM E/R #46 10 A
Parking lamp (RH)
Front side marker lamp (RH) IPDM E/R #47 10 A
Tail lamp (Back door side LH/RH)
Tail lamp (Body side LH)
License plate lamp
Rear side mark er lamp (LH) IPDM E/R #46 10 A
Tail lamp (Body side RH)
Rear side mark er lamp (RH) IPDM E/R #47 10 A
Stop lamp FUSE BLOCK (J/B) #7 10 A
Back-up lamp IPDM E/R #55 10 A
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
EXL-86
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
HEADLAMP (HI) CIRCUIT
HEADLAMP (HI) CIRCUIT
Component Function CheckINFOID:0000000006213955
1.CHECK HEADLAMP (HI) OPERATION
CONSULT-III ACTIVE TEST
1. Sel INFINITI QX56 2011 Factory Service Manual
EXL-86
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
HEADLAMP (HI) CIRCUIT
HEADLAMP (HI) CIRCUIT
Component Function CheckINFOID:0000000006213955
1.CHECK HEADLAMP (HI) OPERATION
CONSULT-III ACTIVE TEST
1. Sel](/manual-img/42/57033/w960_57033-2795.png)
EXL-86
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
HEADLAMP (HI) CIRCUIT
HEADLAMP (HI) CIRCUIT
Component Function CheckINFOID:0000000006213955
1.CHECK HEADLAMP (HI) 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 (HI) is turned ON.
NOTE:
ON/OFF is repeated 1 second each.
Is the inspection result normal?
YES >> Headlamp (HI) circuit is normal.
NO >> Refer to EXL-86, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006213956
1.CHECK HEADLAMP (HI) 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 (HI) 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 (HI) FUSE
1. Turn ignition switch OFF. Hi : Headlamp (HI) ON
Off : Headlamp (HI) OFF
(+)
(− ) Test item Vo l ta g e
(Approx.)
IPDM E/R
Connector Terminal
RH E1549
GroundEXTERNAL
LAMPS Hi Battery voltage
Off 0 V
LH 50 Hi Battery voltage
Off 0 V
IPDM E/R Front combination lamp Continuity
Connector Terminal Connector Terminal
RH E1549 E119
6 Existed
LH 50 E118
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
HEADLAMP (HI) CIRCUITEXL-87
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2. Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> Replace INFINITI QX56 2011 Factory Service Manual
HEADLAMP (HI) CIRCUITEXL-87
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2. Check that the following fuses are not fusing.
Is the inspection result normal?
YES >> Replace](/manual-img/42/57033/w960_57033-2796.png)
HEADLAMP (HI) CIRCUITEXL-87
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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
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![INFINITI QX56 2011 Factory Service Manual
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. Sel INFINITI QX56 2011 Factory Service Manual
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. Sel](/manual-img/42/57033/w960_57033-2797.png)
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
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![INFINITI QX56 2011 Factory Service Manual
HEADLAMP (LO) CIRCUITEXL-89
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Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> GO TO 4.
4.CHECK HEADLAMP (LO) SHO INFINITI QX56 2011 Factory Service Manual
HEADLAMP (LO) CIRCUITEXL-89
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Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> GO TO 4.
4.CHECK HEADLAMP (LO) SHO](/manual-img/42/57033/w960_57033-2798.png)
HEADLAMP (LO) CIRCUITEXL-89
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
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Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> GO TO 4.
4.CHECK HEADLAMP (LO) 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 (LO) 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 >> Perform the xenon headl amp diagnosis. Refer to EXL-90, "Diagnosis Procedure".
NO >> Repair or replace harness.
Unit Lotion Fuse No. Capacity
Headlamp LO (RH) IPDM E/R #54
15 A
Headlamp LO (LH) #53
IPDM E/R
GroundContinuity
Connector Terminal
RH E1552
Not existed
LH 51
Front combination lamp
GroundContinuity
Connector Terminal
RH E119 1Existed
LH E118
Revision: 2010 May2011 QX56
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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