Infiniti QX56 (Z62). Manual - part 698

EXL-84

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

AFS CONTROL UNIT

AFS CONTROL UNIT : Diagnosis Procedure

INFOID: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

(+)

(

−

)

Voltage

(Approx.)

AFS control unit

Connector

Terminal

M135

1

Ground

Battery voltage

AFS control unit

Ground

Continuity

Connector

Terminal

M135

25

Existed

EXTERIOR LAMP FUSE

EXL-85

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

EXTERIOR LAMP FUSE

Diagnosis Procedure

INFOID: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 marker lamp (LH)

IPDM E/R

#46

10 A

• Tail lamp (Body side RH)
• Rear side marker 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

EXL-86

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

HEADLAMP (HI) CIRCUIT

HEADLAMP (HI) CIRCUIT

Component Function Check

INFOID: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, check 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 Procedure

INFOID: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 voltage 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 connector 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

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

RH

E15

49

Ground

EXTERNAL 
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

E15

49

E119

6

Existed

LH

50

E118

HEADLAMP (HI) CIRCUIT

EXL-87

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

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 

Ground

Continuity

Connector

Terminal

RH

E15

49

Not existed

LH

50

Front combination lamp 

Ground

Continuity

Connector

Terminal

RH

E119

2

Existed

LH

E118