Nissan Maxima. Manual - part 640

EXL-302

< WIRING DIAGRAM >

[HALOGEN TYPE]

BACK-UP LAMP

ABLIA0530GB

BACK-UP LAMP

EXL-303

< WIRING DIAGRAM >

[HALOGEN TYPE]

C

D

E

F

G

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B

EXL

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ABLIA1723GB

EXL-304

< SYMPTOM DIAGNOSIS >

[HALOGEN TYPE]

EXTERIOR LIGHTING SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000010051095

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

• Front combination lamp

(High beam relay)

• IPDM E/R

Headlamp (HI) circuit.
Refer to 

EXL-201

.

Both sides

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

EXL-307

.

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

Front combination lamp (Low 
beam relay)

—

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 

EXL-186

.

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 combination lamp

• Front combination lamp
• IPDM E/R

Headlamp (LO) circuit.
Refer to 

EXL-205

.

Both sides

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

EXL-308

.

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 

EXL-186

.

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

IPDM E/R

—

EXTERIOR LIGHTING SYSTEM SYMPTOMS

EXL-305

< SYMPTOM DIAGNOSIS >

[HALOGEN TYPE]

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B

EXL

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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 

EXL-186

.

• Optical sensor
• Harness between the optical 

sensor and BCM

• BCM

Optical sensor.
Refer to 

EXL-217

.

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-176, "System De-

scription"

.

Front fog lamp is not 
turned ON.

One side

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

and the front combination lamp

• Front combination lamp
• IPDM E/R

Front fog lamp circuit.
Refer to 

EXL-207

.

Both side

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

EXL-310

.

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-209

.

Both sides

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

EXL-309

.

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-213

.

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 

EXL-186

.

• 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-220

.

Symptom

Possible cause

Inspection item