Infiniti G37 Coupe. Manual - part 663

EXL-72

< COMPONENT DIAGNOSIS >

[XENON TYPE]

FRONT FOG LAMP CIRCUIT

FRONT FOG LAMP CIRCUIT

Component Function Check

INFOID:0000000001604666

1.

CHECK FRONT FOG LAMP OPERATION

IPDM E/R AUTO ACTIVE TEST

1.

Activate IPDM E/R auto active test. Refer to 

PCS-11, "Diagnosis Description"

.

2.

Check that the front fog lamp is turned ON.

CONSULT-III ACTIVE TEST

1.

Select "EXTERNAL LAMP" of IPDM E/R active test item.

2.

With operating the test items, Check that the front fog lamp is turned ON.

Is the front fog lamp turned ON?

YES

>> Front fog lamp circuit is normal.

NO

>> Refer to 

EXL-72, "Diagnosis Procedure"

. 

Diagnosis Procedure

INFOID:0000000001604667

1.

CHECK FRONT FOG LAMP FUSE

1.

Turn the ignition switch OFF.

2.

Check that the following fuses are not fusing.

Is the fuse fusing?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK FRONT FOG LAMP SHORT CIRCUIT

1.

Disconnect IPDM E/R connector and the front combination lamp connector.

2.

Check continuity between the IPDM E/R harness connector and the ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors. And then replace the fuse.

NO

>> Replace the fuse. (Replace IPDM E/R if the fuse is fusing again.)

3.

CHECK FRONT FOG LAMP BULB

Check the applicable lamp bulb.
Is the bulb normal?

YES

>> GO TO 4.

NO

>> Replace the bulb.

4.

CHECK FRONT FOG LAMP OUTPUT VOLTAGE

CONSULT-III ACTIVE TEST

1.

Disconnect the front combination lamp connector.

2.

Turn the ignition switch ON.

3.

Select "EXTERNAL LAMP" of IPDM E/R active test item.

Fog

: Front fog lamp ON

Off

: Front fog lamp OFF

Unit

Location

Fuse No.

Capacity

Front fog lamp

IPDM E/R

#58

15 A

IPDM E/R

Ground

Continuity

Connector

Terminal

RH

E8

86

Not existed

LH

87

FRONT FOG LAMP CIRCUIT

EXL-73

< COMPONENT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

4.

With operating the test items, check the voltage between the IPDM E/R harness connector and the
ground.

Is the measurement value normal?

YES

>> GO TO 5.

NO

>> Replace IPDM E/R.

5.

CHECK FRONT FOG LAMP OPEN CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between the IPDM E/R harness connector and the front combination lamp harness con-
nector.

Does continuity exist?

YES

>> GO TO 6.

NO

>> Repair the harnesses or connectors.

6.

CHECK FRONT FOG LAMP GROUND CIRCUIT OPEN CIRCUIT

Check continuity between the front combination lamp harness connector and the ground.

Does continuity exist?

YES

>> Replace the front combination lamp.

NO

>> Repair the harnesses or connectors.

Terminals

Test item

Voltage

(Approx.)

(+)

(

−

)

IPDM E/R

Ground

EXTERNAL 

LAMP

Connector

Terminal

RH

E8

86

Fog

Battery 
voltage

LH

87

Off

0 V

IPDM E/R

Front combination lamp

Continuity

Connector

Terminal

Connector

Terminal

RH

E8

86

E28

1

Existed

LH

87

E58

1

Front combination lamp

Ground

Continuity

Connector

Terminal

RH

E28

4

Existed

LH

E58

4

EXL-74

< COMPONENT DIAGNOSIS >

[XENON TYPE]

PARKING LAMP CIRCUIT

PARKING LAMP CIRCUIT

Component Function Check

INFOID:0000000001604668

1.

CHECK PARKING LAMP OPERATION

IPDM E/R AUTO ACTIVE TEST

1.

Activate IPDM E/R auto active test. Refer to 

PCS-11, "Diagnosis Description"

.

2.

Check that the parking lamp is turned ON.

CONSULT-III ACTIVE TEST

1.

Select "EXTERNAL LAMP" of IPDM E/R active test item.

2.

With operating the test items, check that the parking lamp is turned ON.

Is the parking lamp turned ON?

YES

>> Parking lamp circuit is normal.

NO

>> Refer to 

EXL-74, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001604669

1.

CHECK PARKING LAMP FUSE

1.

Turn the ignition switch OFF.

2.

Check that the following fuse is not fusing.

Is the fuse fusing?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK PARKING LAMP SHORT CIRCUIT

1.

Disconnect IPDM E/R connector and the front combination lamp connector.

2.

Check continuity between the IPDM E/R harness connector and the ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors. And then replace the fuse.

NO

>> Replace the fuse. (Replace IPDM E/R if fusing is found again.)

3.

CHECK PARKING LAMP BULB AND FRONT SIDE MARKER LAMP

Check the applicable lamp bulb.

Is the bulb normal?

YES

>> GO TO 4.

NO

>> Replace the bulb.

4.

CHECK PARKING LAMP OUTPUT VOLTAGE

CONSULT-III ACTIVE TEST

1.

Disconnect the front combination lamp connector.

2.

Turn the ignition switch ON.

3.

Select "EXTERNAL LAMP" of IPDM E/R active test item.

TAIL

: Parking lamp ON

Off

: Parking lamp OFF

Unit

Location

Fuse No.

Capacity

• Parking  lamp
• Front side marker lamp

IPDM E/R

#52

10 A

IPDM E/R

Ground

Continuity

Connector

Terminal

RH

E9

91

Not existed

LH

92

PARKING LAMP CIRCUIT

EXL-75

< COMPONENT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

4.

With operating the test items, check the voltage between the IPDM E/R harness connector and the
ground.

Is the measurement value normal?

YES

>> GO TO 5.

NO

>> Replace IPDM E/R.

5.

CHECK PARKING LAMP OPEN CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between the IPDM E/R harness connector and the front combination lamp harness con-
nector.

Does continuity exist?

YES

>> GO TO 6.

NO

>> Repair the harnesses or connectors.

6.

CHECK PARKING LAMP GROUND OPEN CIRCUIT

Check continuity between the front combination lamp harness connector and the ground.

Does continuity exist?

YES

>> Replace the front combination lamp.

NO

>> Repair the harnesses or connectors.

Terminals

Test item

Voltage

(Approx.)

(+)

(

−

)

IPDM E/R

Ground

EXTERNAL 

LAMP

Connector

Terminal

RH

E9

91

TAIL

Battery 
voltage

LH

92

Off

0 V

IPDM E/R

Front combination lamp

Continuity

Connector

Terminal

Connector

Terminal

RH

E9

91

E28

8

Existed

LH

92

E58

8

Front combination lamp

Ground

Continuity

Connector

Terminal

RH

E28

4

Existed

LH

E58

4