Infiniti FX35 / FX45. Manual - part 794

 

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Infiniti FX35 / FX45. Manual - part 794

 

 

FRONT FOG LAMP

LT-71

< SERVICE INFORMATION >

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How to Proceed with Trouble Diagnosis

INFOID:0000000001328334

1.

Confirm the symptom or customer complaint.

2.

Understand operation description and function description. Refer to 

LT-66, "System Description"

.

3.

Perform Preliminary Check. Refer to 

LT-71, "Preliminary Check"

.

4.

Check symptom and repair or replace the cause of malfunction.

5.

Does front fog lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.

6.

INSPECTION END

Preliminary Check

INFOID:0000000001328335

CHECK POWER SUPPLY AND GROUND CIRCUIT

1.

CHECK FUSES

Check for blown fuses.

Refer to 

LT-68, "Wiring Diagram - F/FOG -"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to 

PG-

3

.

2.

CHECK POWER SUPPLY CIRCUIT 

38

B

Ground

ON

Approx. 0 V

48

L

CAN 

 

H

49

R

CAN 

 

L

60

B

Ground

ON

Approx. 0 V

Termi-

nal 

No.

Wire 

color

Signal 

name

Measuring condition

Reference value

Ignition 

switch

Operation or condition

Unit

Power source

Fuse and fusible link No.

BCM

Battery

M

22

Ignition switch ON or START position

1

Ignition switch ACC or ON position

6

IPDM E/R

Battery

88

LT-72

< SERVICE INFORMATION >

FRONT FOG LAMP

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check voltage between BCM harness connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

CONSULT-III Functions (BCM)

INFOID:0000000001328336

Refer to 

LT-16, "CONSULT-III Functions (BCM)"

.

CONSULT-III Functions (IPDM E/R)

INFOID:0000000001328337

Refer to 

LT-17, "CONSULT-III Functions (IPDM E/R)"

.

Front Fog Lamps Do Not Illuminate (Both Sides)

INFOID:0000000001381751

1.

CHECK COMBINATION SWITCH INPUT SIGNAL 

CONSULT-III DATA MONITOR

1.

Select “FR FOG SW” of BCM (HEAD LAMP) data monitor item.

2.

With operating the front fog lamp switch, check the monitor status.

CHECK THE COMBINATION SWITCH

Refer to 

LT-104, "Combination Switch Inspection"

.

OK or NG

OK

>> GO TO 2.

NG

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

LT-104, "Combination Switch Inspection"

.

(+)

(-)

Ignition switch position

BCM con-

nector

Terminal

OFF

ACC

ON

M3

11

Ground

Approx. 0 V

Battery volt-

age

Battery volt-

age

38

Approx. 0 V

Approx. 0 V

Battery volt-

age

M4

42

Battery volt-

age

Battery volt-

age

Battery volt-

age

55

Battery volt-

age

Battery volt-

age

Battery volt-

age

PKIA5204E

BCM connector

Terminal

Ground

Continuity

M4

49

Yes

52

SKIA5294E

When lighting switch is front 
fog lamp ON position

: FR FOG SW ON

FRONT FOG LAMP

LT-73

< SERVICE INFORMATION >

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2.

FRONT FOG LAMP ACTIVE TEST

CONSULT-III ACTIVE TEST

1.

Select “LAMPS” of IPDM E/R active test item.

2.

With operating the test item, check that the front fog lamp is turned ON.

IPDM E/R AUTO ACTIVE TEST

1.

Start auto active test. Refer to 

PG-20, "Auto Active Test"

.

2.

Make sure front fog lamp operation.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 4.

3.

CHECK IPDM E/R

CONSULT-III DATA MONITOR

1.

Select “FR FOG REQ” of IPDM E/R data monitor item.

2.

Turn lighting switch 1ST.

3.

With operating the front fog lamp switch, check the monitor status.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-24, "Removal and Installation of IPDM E/R"

.

NG

>> Replace BCM. Refer to 

BCS-13, "Removal and Installation of BCM"

.

4.

CHECK FRONT FOG LAMP INPUT SIGNAL 

CONSULT-III ACTIVE TEST

1.

Turn ignition switch OFF.

2.

Disconnect front fog lamp RH and LH connectors.

3.

Select “LAMPS” of IPDM E/R active test item.

4.

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

IPDM E/R AUTO ACTIVE TEST

1.

Turn ignition switch OFF.

2.

Disconnect front fog lamp RH and LH connectors.

3.

Start auto active test. Refer to 

PG-20, "Auto Active Test"

4.

When front fog lamp operates, check voltage between front fog lamp (RH and LH) harness connectors
and ground.

Front fog lamp should operate.

Front fog lamp should operate.

When lighting switch is front 
fog lamp ON position

: FR FOG REQ ON

Terminals

Voltage

(Approx.)

(+)

(-)

Front fog lamp connector

Terminal

RH

E102

1

Ground Battery 

voltage

LH

E45

1

Terminals

Voltage

(Approx.)

(+)

(-)

Front fog lamp connector

Terminal

RH

E102

1

Ground Battery 

voltage

LH

E45

1

PKIA6276E

LT-74

< SERVICE INFORMATION >

FRONT FOG LAMP

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 5.

5.

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 connectors (B).

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-24, "Removal and

Installation of IPDM E/R"

.

NG

>> Repair harness or connector.

6.

CHECK FRONT FOG LAMP GROUND 

1.

Turn ignition switch OFF.

2.

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

3.

Check continuity between front fog lamp LH harness connector
E45 terminal 2 and ground.

OK or NG

OK

>> Check front fog lamp bulbs.

NG

>> Repair harness or connector.

Front Fog Lamp Does Not Illuminate (One Side)

INFOID:0000000001381752

1.

 CHECK BULB

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

OK

>> GO TO 2.

NG

>> Replace front fog lamp bulb.

2.

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 or LH harness connectors (B).

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

Circuit

A

B

Continuity

Connector

Terminal

Connector

Terminal

RH

E8

36

E102

1

Yes

LH

37

E45

1

PKIC9739E

2 – Ground

: Continuity should exist.

2 – Ground

: Continuity should exist.

PKIA6277E

Circuit

A

B

Continuity

Connector

Terminal

Connector

Terminal

RH

E8

36

E102

1

Yes

LH

37

E45

1

PKIC9739E

 

 

 

 

 

 

 

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