Nissan Xterra. Manual - part 415

EXL-148

< SYMPTOM DIAGNOSIS >

DAYTIME LIGHT SYSTEM INOPERATIVE

DAYTIME LIGHT SYSTEM INOPERATIVE

Description

INFOID:0000000009484944

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:0000000009484945

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-48, "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

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-50, "Removal and Installation"

.

3.

DAYTIME LIGHT RELAY CIRCUIT INSPECTION

Check the daytime light relay circuit. Refer to 

EXL-46, "Diagnosis Procedure"

.

Is the daytime light relay circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-27, "Removal and Installation"

.

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

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

EXL-149

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

Description

INFOID:0000000009484946

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

Diagnosis Procedure

INFOID:0000000009484947

1.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

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

BCS-48, "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 HEADLAMP (LO) REQUEST SIGNAL INPUT

CONSULT DATA MONITOR

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

2. With 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-50, "Removal and Installation"

.

3.

HEADLAMP (LO) CIRCUIT INSPECTION

Check the headlamp (LO) circuit. Refer to 

EXL-42, "Description"

.

Is the headlamp (LO) circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-27, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

HL LO REQ

Combination switch (lighting 
and turn signal switch)

2ND

ON

OFF

OFF

EXL-150

< SYMPTOM DIAGNOSIS >

PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED ON

PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED ON

Description

INFOID:0000000009484948

The parking, license plate and tail lamps do not turn ON in with any combination switch (lighting and turn sig-

nal switch) setting.

Diagnosis Procedure

INFOID:0000000009484949

1.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

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

BCS-48, "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 TAIL LAMP RELAY REQUEST SIGNAL INPUT

CONSULT DATA MONITOR

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

2. With 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-50, "Removal and Installation"

.

3.

PARK LAMP CIRCUIT INSPECTION

Check the parking lamp circuit. Refer to 

EXL-58, "Description"

.

Is the tail lamp circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-27, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

  Condition

Monitor status

TAIL & CLR 
REQ

Combination switch (lighting and turn 
signal switch)

1ST

ON

OFF

OFF

BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON

EXL-151

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON

Description

INFOID:0000000009484950

The front fog lamps do not turn ON in any combination switch (lighting and turn signal switch) setting.

Diagnosis Procedure

INFOID:0000000009484951

1.

COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

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

BCS-48, "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 FRONT FOG LAMP REQUEST SIGNAL INPUT

CONSULT DATA MONITOR

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

2. With 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-50, "Removal and Installation"

.

3.

FRONT FOG LAMP CIRCUIT INSPECTION

Check the front fog lamp circuit. Refer to 

EXL-56, "Description"

.

Is the front fog lamp circuit normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-27, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Monitor item

 Condition

Monitor status

FR FOG REQ

Combination switch (lighting 
and turn signal switch) 
(2ND) 

ON

ON

OFF

OFF