Infiniti M35/M45 Y50. Manual - part 915

FRONT FOG LAMP

LT-205

C

D

E

F

G

H

I

J

L

M

A

B

LT

Front Fog Lamps Do Not Illuminate (Both Sides)

NKS003RE

1. 

CHECK COMBINATION SWITCH INPUT SIGNAL 

With CONSULT-II

1.

Select “BCM” on CONSULT-II. Select “HEAD LAMP” on
“SELECT TEST ITEM” screen.

2.

Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure “FR FOG SW” turns ON-OFF linked with operation of
fog lamp switch.

Without CONSULT-II

Refer to 

LT-239, "Combination Switch Inspection"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Check combination switch (lighting switch). Refer to 

LT-239, "Combination Switch Inspection"

 .

2. 

FRONT FOG LAMP ACTIVE TEST

With CONSULT-II

1.

Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on
“SELECT DIAG MODE” screen.

2.

Select “LAMPS” on “SELECT TEST ITEM” screen. 

3.

Touch “FOG” screen.

4.

Make sure fog lamp operation.

Without CONSULT-II

1.

Start auto active test. Refer to 

PG-23, "Auto Active Test"

 .

2.

Make sure fog lamp operation.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 4.

3. 

CHECK IPDM E/R

1.

Select “IPDM E/R” on CONSULT-II. Select “DATA MONITOR”
on “SELECT DIAG MODE” screen.

2.

Make sure “FR FOG REQ” turns ON when fog lamp switch is in
ON position.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-31, "Removal and

Installation of IPDM E/R"

 .

NG

>> Replace BCM. Refer to 

BCS-15, "Removal and Installa-

tion of BCM"

 .

When fog lamp switch is ON

: FR FOG SW ON

PKIA7598E

Front fog lamps should operate.

Front fog lamp should operate.

PKIA7748E

When lighting switch is ON 
position

: FR FOG REQ ON

SKIA5898E

LT-206

FRONT FOG LAMP

4. 

CHECK FOG LAMP INPUT SIGNAL 

With CONSULT-II

1.

Turn ignition switch OFF.

2.

Disconnect front fog lamp RH and LH connector.

3.

Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.

4.

Select “LAMPS” on “SELECT TEST ITEM” screen. 

5.

Touch “FOG” screen.

6.

Check voltage between front fog lamp (RH and LH) harness
connector and ground.

Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Disconnect front fog lamp RH and LH connector.

3.

Start auto active test. Refer to 

PG-23, "Auto Active Test"

 . 

4.

When fog lamp is operating, check voltage between front fog lamp (RH and LH) harness connector and
ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 6.

5. 

CHECK FOG LAMP GROUND CIRCUIT 

1.

Turn ignition switch OFF.

2.

Check continuity between front fog lamp (RH and LH) harness
connector and ground.

OK or NG

OK

>> Check front fog lamp bulbs.

NG

>> Repair harness or connector.

Terminal

Voltage 

(Approx.)

(+)

(-)

Front fog lamp connector

Terminal

RH

E45

1

Ground Battery 

voltage

LH

E60

1

Terminal

Voltage 

(Approx.)

(+)

(-)

Front fog lamp connector

Terminal

RH

E45

1

Ground Battery 

voltage

LH

E60

1

PKIA6276E

Front fog lamp connector

Terminal

Ground

Continuity

RH

E45

2

Yes

LH

E60

2

PKIA6277E

FRONT FOG LAMP

LT-207

C

D

E

F

G

H

I

J

L

M

A

B

LT

6. 

CHECK FRONT FOG LAMP CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector (A) and
front fog lamp (RH and LH) harness connector (B).

4.

Check continuity between IPDM E/R harness connector (A) and
ground.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-31, "Removal and Installation of IPDM E/R"

 .

NG

>> Repair harness or connector.

Circuit

A

B

Continuity

Connector

Terminal

Connector

Terminal

RH

E8

37

E45

1

Yes

LH

36

E60

1

A

Ground

Continuity

Connector

Terminal

RH

E8

37

No

LH

38

SKIB4815E

LT-208

FRONT FOG LAMP

Front Fog Lamp Does Not Illuminate (One Side)

NKS003RF

1. 

 CHECK BULB

Check bulb of fog lamp which does not illuminate.
OK or NG

OK

>> GO TO 2.

NG

>> Replace front fog lamp bulb.

2. 

CHECK FOG LAMP INPUT SIGNAL 

1.

Turn ignition switch OFF.

2.

Disconnect front fog lamp RH or LH connector.

3.

Turn ignition switch ON.

4.

Lighting switch is turned 2ND position and fog lamp ON position.

5.

Check voltage between front fog lamp RH or LH harness con-
nector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 4.

3. 

CHECK FRONT FOG LAMP GROUND CIRCUIT 

1.

Turn ignition switch OFF.

2.

Check continuity between front fog lamp RH or LH harness con-
nector and ground.

OK or NG

OK

>> Check connecting condition front fog lamp harness con-

nector.

NG

>> Repair harness or connector.

Terminal

Voltage 

(Approx.)

(+)

(-)

Front fog lamp connector

Terminal

RH

E45

1

Ground Battery 

voltage

LH

E60

1 

PKIA6276E

Front fog lamp connector

Terminal

Ground 

Continuity

RH

E45

2

Yes

LH

E60

2

PKIA6277E