Nissan Pathfinder (2012 year). Manual - part 377

EXL-132

< SYMPTOM DIAGNOSIS >

EXTERIOR LIGHTING SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000007355185

CAUTION:

Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagno-

sis if any DTC is detected.

Symptom

Possible cause

Inspection item

Headlamp does not 
switch to the high beam.

One side

• Fuse
• Harness between IPDM E/R 

and the front headlamp

• Front headlamp
• IPDM E/R

Headlamp (HI) circuit
Refer to 

EXL-38

.

Both sides

Symptom diagnosis

 "BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM"
Refer to 

EXL-135

.

High beam indicator lamp is not turned ON.
(Headlamp switches to the high beam.)

• Combination meter
• BCM

• Combination meter. 

Data monitor "HI-BEAM IND"

• BCM (HEAD LAMP)

Active test "HEADLAMP"

Headlamp does not 
switch to the low beam.

One side

• Daytime light relay 2
• Harness between IPDM, day-

time light relay 2 and front com-
bination lamp LH.

• Front combination lamp (Low 

beam)

Headlamp (LO) circuit
Refer to 

EXL-44

.

Both sides

• Combination switch (lighting 

and turn signal switch)

• Harness between the combina-

tion switch (lighting and turn sig-
nal switch) and BCM

• BCM

Combination switch (lighting and 
turn signal switch)
Refer to 

BCS-8

.

High beam request signal
• BCM
• IPDM E/R

IPDM E/R
Data monitor "HL HI REQ"

IPDM E/R

—

Headlamp does not turn 
ON.

One side

• Fuse
• Bulb
• Harness between IPDM E/R 

and the front headlamp

• Front headlamp
• IPDM E/R

Headlamp (LO) circuit
Refer to 

EXL-41

.

Both sides

Symptom diagnosis

"BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON"
Refer to 

EXL-137

.

Headlamp does not turn 
OFF.

When the ignition 
switch is turned ON

• BCM
• Combination switch (lighting 

and turn signal swith)

Combination switch (lighting and 
turn signal switch)
Refer to 

BCS-8

.

The ignition switch is 
turned OFF (After acti-
vating the battery sav-
er).

IPDM E/R

—

August 2012

2012 Pathfinder

EXTERIOR LIGHTING SYSTEM SYMPTOMS

EXL-133

< SYMPTOM DIAGNOSIS >

C

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A

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EXL

N

O

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Headlamp is not turned ON/OFF with the lighting 
switch AUTO.

• Combination switch (lighting 

and turn signal switch)

• Harness between the combina-

tion switch (lighting and turn sig-
nal switch) and BCM

• BCM

Combination switch (lighting and 
turn signal switch)
Refer to 

BCS-8

.

• Optical sensor
• Harness between the optical 

sensor and BCM

• BCM

Optical sensor
Refer to 

EXL-57

.

Daytime light system does not activate.

• Either high beam bulb
• Parking brake switch
• Combination switch (lighting 

and turn signal switch)

• BCM
• IPDM E/R
• Daytime light relay
• Harness between IPDM E/R 

and daytime light relay.

Daytime light system description. 
Refer to 

EXL-9, "System Descrip-

tion"

.

Front fog lamp is not 
turned ON.

One side

• Front fog lamp bulb
• Harness between IPDM E/R 

and the front fog lamp

• IPDM E/R

Front fog lamp circuit
Refer to 

EXL-47

.

Both side

Symptom diagnosis

"BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON"
Refer to 

EXL-139

.

Parking lamp is not turned 
ON.

One side

• Fuse
• Parking lamp bulb
• Harness between IPDM E/R 

and the front/rear combination 
lamp

• Front/rear combination lamp
• IPDM E/R

Parking lamp circuit
Refer to 

EXL-49

.

Both sides

Symptom diagnosis

"PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED 
ON"
Refer to 

EXL-138

.

Turn signal lamp does not 
blink.

Indicator lamp is nor-
mal.
(The applicable side 
performs the high flash-
er activation).

• Harness between BCM and 

each turn signal lamp

• Turn signal lamp bulb
• Door mirror (if equipped with 

turn signals in the door mirrors)

Turn signal lamp circuit
Refer to 

EXL-54

.

Turn signal indicator lamp 
does not blink.

One side

Combination meter

—

Both sides
(Always)

• Turn signal indicator lamp sig-

nal

• Combination meter
• BCM

• Combination meter. 

Data monitor "TURN IND"

• BCM (FLASHER)

Active test "FLASHER"

Both sides
(Does blink when acti-
vating the hazard warn-
ing lamp with the 
ignition switch OFF)

• The combination meter power 

supply and the ground circuit

• Combination meter

Combination meter
Power supply and the ground circuit
Refer to 

MWI-31

.

Symptom

Possible cause

Inspection item

August 2012

2012 Pathfinder

EXL-134

< SYMPTOM DIAGNOSIS >

NORMAL OPERATING CONDITION

NORMAL OPERATING CONDITION

Description

INFOID:0000000007355186

AUTO LIGHT SYSTEM

The auto light system may not turn the headlamp ON/OFF immediately after passing a dark area or a bright

area (short tunnel, sky bridge, shadowed area etc.). This is normal.

August 2012

2012 Pathfinder

BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM

EXL-135

< SYMPTOM DIAGNOSIS >

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EXL

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BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM

Description

INFOID:0000000007355187

The headlamps (both sides) do not switch to high beam when the lighting switch is in the HI or PASS setting.

Diagnosis Procedure

INFOID:0000000007355188

1.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

Check the combination switch  (lighting and turn signal switch). Refer to 

BCS-8, "System Description"

.

Is the combination switch (lighting and turn signal switch) normal?

YES

>> GO TO 2

NO

>> Repair or replace the malfunctioning part.

2.

CHECK HEADLAMP (HI) REQUEST SIGNAL INPUT

WITH CONSULT DATA MONITOR

1. Select "HL HI REQ" of IPDM E/R DATA MONITOR item.

2. With operating the lighting switch, check the monitor status.

Is the monitor item status normal?

YES

>> GO TO 3

NO

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

3.

HEADLAMP (HI) CIRCUIT INSPECTION

Check the headlamp (HI) circuit. Refer to 

EXL-38, "Description"

.

Is the headlamp (HI) circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-29, "Removal and Installation of IPDM E/R"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

HL HI REQ

Lighting switch
(2ND)

HI or PASS

ON

Except for HI or PASS

OFF

August 2012

2012 Pathfinder

EXL-136

< SYMPTOM DIAGNOSIS >

DAYTIME LIGHT SYSTEM INOPERATIVE

DAYTIME LIGHT SYSTEM INOPERATIVE

Description

INFOID:0000000007355189

The daytime light system is inoperative even though the combination switch (lighting and turn signal switch)

and parking brake switch are in the normal setting, also whenever engine is operating.

Diagnosis Procedure

INFOID:0000000007355190

NOTE:

 Before performing the diagnosis, check that the following is normal.

• High beam lamp function

• Parking brake warning lamp

• Engine operation status

1.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

Check the combination switch (lighting and turn signal switch). Refer to 

BCS-50, "Symptom Table"

.

Is the combination switch (lighting and turn signal switch) normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning part.

2.

CHECK DAYTIME LIGHT REQUEST SIGNAL INPUT

WITH CONSULT DATA MONITOR

1. Parking brake switch is released.

2. Start engine.

3. Select "DTRL REQ" of IPDM E/R DATA MONITOR item.

4. While operating the combination switch (lighting and turn signal switch), check the monitor status.

Is the item status normal?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

3.

DAYTIME LIGHT RELAY CIRCUIT INSPECTION

Check the daytime light relay circuit. Refer to 

EXL-45, "Diagnosis Procedure"

.

Is the daytime light relay circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-29, "Removal and Installation of IPDM E/R"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

DTRL REQ

combination switch (lighting and turn signal switch)

1ST or OFF

ON

Except for 1ST or OFF

OFF

August 2012

2012 Pathfinder

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

EXL-137

< SYMPTOM DIAGNOSIS >

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EXL

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BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

Description

INFOID:0000000007355191

The headlamps (both sides) do not turn ON in any lighting switch setting.

Diagnosis Procedure

INFOID:0000000007355192

1.

CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWTICH)

Check the combination switch (lighting and turn signal switch). Refer to 

BCS-8, "System Description"

.

Is the combination switch (lighting and turn signal switch) normal?

YES

>> GO TO 2

NO

>> Repair or replace the malfunctioning part.

2.

CHECK HEADLAMP (LO) REQUEST SIGNAL INPUT

WITH CONSULT DATA MONITOR

1. Select "HL LO REQ" of IPDM E/R DATA MONITOR item.

2. With operating the lighting switch, check the monitor status.

Is the monitor item status normal?

YES

>> GO TO 3

NO

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

3.

HEADLAMP (LO) CIRCUIT INSPECTION

Check the headlamp (LO) circuit. Refer to 

EXL-41, "Description"

.

Is the headlamp (LO) circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-29, "Removal and Installation of IPDM E/R"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

HL LO REQ

Lighting switch

2ND

ON

OFF

OFF

August 2012

2012 Pathfinder

EXL-138

< SYMPTOM DIAGNOSIS >

PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED ON

PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED ON

Description

INFOID:0000000007355193

The parking, license plate and tail lamps do not turn ON in with any lighting switch setting.

Diagnosis Procedure

INFOID:0000000007355194

1.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

Check the combination switch (lighting and turn signal switch). Refer to 

BCS-8, "System Description"

.

Is the combination switch (lighting and turn signal switch) normal?

YES

>> GO TO 2

NO

>> Repair or replace the malfunctioning part.

2.

CHECK TAIL LAMP RELAY REQUEST SIGNAL INPUT

WITH CONSULT DATA MONITOR

1. Select "TAIL&CLR REQ" of IPDM E/R DATA MONITOR item.

2. With operating the lighting switch, check the monitor status.

Is the monitor item status normal?

YES

>> GO TO 3

NO

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

3.

PARK LAMP CIRCUIT INSPECTION

Check the parking lamp circuit. Refer to 

EXL-49, "Description"

.

Is the tail lamp circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-29, "Removal and Installation of IPDM E/R"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

TAIL&CLR REQ

Lighting switch

1ST

ON

OFF

OFF

August 2012

2012 Pathfinder

BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON

EXL-139

< SYMPTOM DIAGNOSIS >

C

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B

EXL

N

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BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON

Description

INFOID:0000000007355195

The front fog lamps do not turn ON in any setting.

Diagnosis Procedure

INFOID:0000000007355196

1.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

Check the combination switch (lighting and turn signal switch). Refer to 

BCS-8, "System Description"

.

Is the combination switch (lighting and turn signal switch) normal?

YES

>> GO TO 2

NO

>> Repair or replace the malfunctioning part.

2.

CHECK FRONT FOG LAMP REQUEST SIGNAL INPUT

WITH CONSULT DATA MONITOR

1. Select "FR FOG REQ" of IPDM E/R DATA MONITOR item.

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

Is the monitor item status normal?

YES

>> GO TO 3

NO

>> Replace BCM. Refer to 

BCS-53, "Removal and Installation"

.

3.

FRONT FOG LAMP CIRCUIT INSPECTION

Check the front fog lamp circuit. Refer to 

EXL-47, "Description"

.

Is the front fog lamp circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-29, "Removal and Installation of IPDM E/R"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

FR FOG REQ

Front fog lamp switch
(Lighting switch 2ND)

ON

ON

OFF

OFF

August 2012

2012 Pathfinder