Nissan Pathfinder. Manual - part 610

EXL-128

< DTC/CIRCUIT DIAGNOSIS >

HAZARD SWITCH

3.

CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT

Check continuity between hazard switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

NO

>> Repair or replace the harness or connector.

4.

CHECK HAZARD SWITCH GROUND OPEN CIRCUIT

Check continuity between hazard switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace hazard switch. Refer to 

EXL-148, "Removal and Installation"

.

NO

>> Repair or replace the harness or connectors.

Hazard switch

Ground

Continuity

Connector

Terminal

M26

2

No

Hazard switch

Ground

Continuity

Connector

Terminal

M26

3

Yes

EXTERIOR LIGHTING SYSTEM SYMPTOMS

EXL-129

< SYMPTOM DIAGNOSIS >

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EXL

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SYMPTOM DIAGNOSIS

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000009175388

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 combination lamp

• Harness between the front com-

bination lamp and ground

Headlamp (HI) circuit
Refer to 

EXL-108

.

Both sides

—

Symptom diagnosis
BOTH SIDE HEADLAMPS DO 
NOT SWITCH TO HIGH BEAM
Refer to 

EXL-132

.

High beam indicator lamp is not turned ON (Head-
lamp switched to the high beam).

• BCM
• Combination meter

• Combination meter 

Data monitor HI-BEAM IND

• BCM (HEAD LAMP)

Active test “HEADLAMP”

Headlamp does not switch to the low beam.

• Combination switch (lighting 

and turn signal switch)

• Harness between the combina-

tion switch and BCM

• BCM
• IPDM E/R

Combination switch (lighting and 
turn signal switch)
Refer to 

BCS-79

.

High beam request signal
• BCM
• IPDM E/R

IPDM E/R
Data monitorHL HI REQ

Headlamp does not turn 
ON.

One side

• Fuse
• Harness between IPDM E/R 

and the front combination lamp

• Front combination lamp 
• Harness between the front com-

bination lamp and ground

Headlamp (LO) circuit
Refer to 

EXL-110

.

Both sides

—

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

EXL-133

.

Headlamp does not turn 
OFF.

When the ignition 
switch is turned ON

• BCM
• Combination switch (lighting 

and turn signal switch)

Combination switch (lighting and 
turn signal switch) Refer to  

BCS-

79

.

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

IPDM E/R

—

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

• Combination switch (lighting 

and turn signal switch)

• Harness between combination 

switch and BCM

• BCM

Combination switch
Refer to 

BCS-79

.

• Optical sensor
• Harness between optical sen-

sor and BCM

• BCM

Optical sensor
Refer to 

EXL-124

.

EXL-130

< SYMPTOM DIAGNOSIS >

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Daytime light system does not activate.
(if equipped)

• Fuse
• Harness between IPDM E/R 

and the daytime light relay

• Harness between daytime light 

relay and the daytime lamp

• Harness between the daytime 

lamp and ground

• Daytime light bulb 
• IPDM E/R
• Daytime light relay
• BCM

Symptom diagnosis
Daytime light system inoperative.
Refer to 

EXL-136

.

Front fog lamp is not 
turned ON.

One side

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

and front fog lamp

• Front fog lamp
• IPDM E/R

Front fog lamp circuit
Refer to 

EXL-115

.

Both sides

—

Symptom diagnosis
BOTH SIDE FRONT FOG LAMPS 
ARE NOT TURNED ON
Refer to 

EXL-115

.

Parking lamp is not turned 
ON.

One side

• Parking lamp bulb
• Harness between IPDM E/R 

and front/rear combination lamp

• Harness between front/rear 

combination lamp and ground

• Front/rear combination lamp
• IPDM E/R

Parking lamp circuit
Refer to 

EXL-117

 .

Both sides

—

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

EXL-134

.

Turn signal lamp does not 
blink.

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

• Hazard BCM and each turn sig-

nal lamp

• Turn signal lamp bulb

Turn signal lamp circuit
Refer to 

EXL-121

.

Turn signal indicator lamp 
does not blink.

One side

Combination meter

—

Both sides
(Always)

• Turn signal indicator lamp sig-

nal

- BCM
• Combination meter

• Combination meter 

Data monitor TURN IND

• BCM  (FLASHER)

Active test FLASHER

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

• Combination meter power sup-

ply and ground circuit

• Combination meter

Combination meter
Power supply and ground circuit
Refer to 

MWI-59

.

• Hazard warning lamp does not activate.
• Hazard warning lamp continues activating (Turn 

signal is normal).

• Hazard switch
• Harness between the hazard 

switch and BCM

• BCM

Hazard switch
Refer to 

EXL-127

.

Symptom

Possible cause

Inspection item

NORMAL OPERATING CONDITION

EXL-131

< SYMPTOM DIAGNOSIS >

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NORMAL OPERATING CONDITION

Description

INFOID:0000000009175389

AUTO LIGHT SYSTEM

The headlamp may not be turned ON/OFF immediately after passing dark area or bright area (short tunnel,

sky bridge, shadowed area etc.) while using the auto light system. This causes for the control difference. This

is normal.