Nissan Teana J32. Manual - part 511

EXL-14

< FUNCTION DIAGNOSIS >

[XENON TYPE]

AUTO LIGHT SYSTEM

• Turns the exterior lamp OFF with the ignition switch ACC or the light switch OFF.
*: The preset time is 45 seconds. The timer operating time can be set by CONSULT-III. Refer to 

EXL-28,

"HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)"

.

NOTE:
When any position other than the light switch AUTO is set, the auto light system function switches to the exte-
rior lamp battery saver function.

Component Parts Location

INFOID:0000000003773529

Component Description

INFOID:0000000003773530

1.

Combination switch

2.

Optical sensor

3.

IPDM E/R

4.

BCM

A.

Instrument upper panel (RH)

B.

Engine room (LH)

C.

Behind the combination meter

JPLIA1119ZZ

Part

Description

BCM

• Detects each switch condition by the combination switch reading function.
• Judges the outside brightness from the optical sensor signal.
• Judges the OFF timing according to the vehicle condition.
• Judges the ON/OFF status of the exterior lamp and each illumination according to the 

outside brightness and the vehicle condition.
Requests ON/OFF of each relay to IPDM E/R (with CAN communication).

IPDM E/R

Controls the integrated relay, and supplies voltage to the load according to the request 
from BCM (with CAN communication).

Combination switch
(Lighting & turn signal switch)

Refer to 

BCS-8, "System Diagram"

.

Optical sensor

Refer to 

EXL-69, "Description"

.

HEADLAMP AIMING CONTROL SYSTEM (AUTO)

EXL-15

< FUNCTION DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

HEADLAMP AIMING CONTROL SYSTEM (AUTO)

System Diagram

INFOID:0000000003774320

System Description

INFOID:0000000003774321

OUTLINE

• Headlamp aiming control system is controlled by auto levelizer control unit.
• Auto levelizer control unit controls the headlamp light axis height appropriately depending on the vehicle rear

height.

• Auto levelizer control unit detects the vehicle condition necessary for the aiming motor control with the fol-

lowing signals.

- Sensor lever signal (detected by the sensor lever)
- Tail lamp signal (inputted from IPDM E/R)
- Vehicle speed signal (8-pulse) (inputted from combination meter)

HEADLAMP AUTO AIMING OPERATION

• Auto levelizer control unit calculates vehicle pitch angle from sensor lever signal and determines the neces-

sary correction to compensate the deviation from standard light axis position.

• Auto levelizer control unit outputs aiming motor drive signal when operating conditions are satisfied.

Operating condition

- Ignition switch ON
- Tail lamp ON
• Auto levelizer control unit changes the aiming motor drive signal when any of the correcting condition is

detected. Output is maintained if other condition is detected.

Correcting condition

- Tail lamp is turned ON.
- Vehicle posture becomes stable after the vehicle posture change is detected with the tail lamp ON and the

vehicle stopped.

- Vehicle speed is maintained with the tail lamp ON and the vehicle driven.

CAUTION:

Adjusted axis position may differ from the preset position although the headlamp auto aiming acti-
vates properly when the suspension is replaced or worn.

JPLIA0171GB

EXL-16

< FUNCTION DIAGNOSIS >

[XENON TYPE]

HEADLAMP AIMING CONTROL SYSTEM (AUTO)

Component Parts Location

INFOID:0000000003774322

Component Description

INFOID:0000000003774323

1.

Combination meter

2.

Aiming motor

3.

IPDM E/R

4.

Auto levelizer control unit

A.

Front combination lamp (back)

B.

Engine room (LH)

C.

Left rear suspension member

JPLIA1148ZZ

Part

Description

Auto levelizer control unit

Refer to 

EXL-60, "Description"

.

Headlamp aiming motor

Refer to 

EXL-60, "Description"

.

IPDM E/R

Outputs the tail lamp signal to auto levelizer control unit.

Combination meter

Outputs the vehicle speed signal (8-pulse) to auto levelizer control unit.

FRONT FOG LAMP SYSTEM

EXL-17

< FUNCTION DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

FRONT FOG LAMP SYSTEM

System Diagram

INFOID:0000000003773531

System Description

INFOID:0000000003773532

OUTLINE

Front fog lamp is controlled by combination switch reading function and front fog lamp control function of BCM,
and relay control function of IPDM E/R.

FRONT FOG LAMP OPERATION 

• BCM detects the combination switch condition by the combination switch reading function.
• BCM transmits the front fog light request signal to IPDM E/R with CAN communication according to the front

fog lamp ON condition.

Front fog lamp ON condition

- Front fog lamp switch ON
- Lighting switch 1ST, 2ND or AUTO (auto light function ON judgment)
• IPDM E/R turns the integrated front fog lamp relay ON, and turns the front fog lamp ON according to the

front fog light request signal.

• Combination meter turns the front fog lamp indicator lamp ON according to the front fog light request signal.

JPLIA1083GB