Nissan Tiida C11. Manual - part 753

EXL-10

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HEADLAMP (XENON)

HEADLAMP (XENON)

System Diagram

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System Description

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A mobile valve shade type xenon headlamp is used. The xenon headlamp uses one xenon bulb each on the
LH and RH side.  The xenon headlamp switches between high beam and low beam by using a high beam
solenoid to move the mobile valve shade over the xenon bulb. 
Control of the headlamp system is dependent upon the position of the lighting switch (combination switch).
When the lighting switch is placed in the 2nd position, the BCM (body control module) receives input request-
ing the headlamps to illuminate. This input is then communicated to the IPDM E/R (intelligent power distribu-
tion model engine room) via the CAN communication lines. The CPU (central processing unit) of the IPDM E/
R controls the headlamp high and headlamp low relay coils. When energized, these relays direct power to the
respective headlamps, which then illuminate. 

Component Parts Location

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AWLIA0036GB

1.

IPDM E/R E46, E47, E48

2.

BCM M16, M17, M18, M19 (view with 
glove box removed)

3.

Combination switch M28

4.

Combination meter M24

WKIA5469E

HEADLAMP (XENON)

EXL-11

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Component Description

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Part

Description

BCM

• Monitors the combination switch position.
• Requests the IPDM E/R (via CAN communication lines) to actuate the headlamp 

high and low relays based on combination switch position .

• Requests the combination meter (via CAN communication lines) to turn the high 

beam indicator lamp ON.

IPDM E/R

Controls the integrated headlamp high and low relays based on input from the BCM 
over the CAN communication lines.

Combination switch
(Lighting & turn signal switch)

Refer to 

BCS-9, "System Description"

.

Combination meter
(High beam indicator lamp)

Controls the high beam indicator lamp ON during high beam operation based on input 
from the BCM over the CAN communication lines.

Headlamp assem-
bly

HID control unit

Controls electricity flow through the xenon bulb.

Xenon bulb

Uses two tungsten electrodes and is filled with xenon gas and other metal halides.  
Electricity flows between the electrodes to illuminate.

High beam solenoid

Actuates the mobile valve shade to control high and low beam operation.

Mobile valve shade

When actuated by the high beam solenoid, it shades light output from the xenon bulb 
for low beam operation and opens to allow more light output during high beam opera-
tion. 

EXL-12

< FUNCTION DIAGNOSIS >

AUTO LIGHT SYSTEM

AUTO LIGHT SYSTEM

System Diagram

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System Description

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When the lighting switch is in AUTO position, it automatically turns ON/OFF the exterior lamps in accordance
with the ambient light levels.  
The light and rain sensor detects ambient brightness and converts light (lux) to voltage which is output to the
BCM. The BCM (Body Control Module) controls auto light operation according to the signal inputs from the
light and rain sensor, lighting switch and ignition switch. If conditions are met, the BCM sends a request (via
CAN communication lines) to the IPDM E/R (Intelligent Power Distribution Module Engine Room) to activate
the exterior lamps.

Component Parts Location

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1.

IPDM E/R E46, E47, E48

2.

BCM M16, M17, M18, M19, M21 (view 
with glove box removed)

3.

Combination switch M28

4.

Light and rain sensor R11

AWLIA0022GB

AUTO LIGHT SYSTEM

EXL-13

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Component Description

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Part

Description

Light and rain sensor

Converts light to voltage and ouputs that voltage signal to the BCM.

BCM

• Monitors the combination switch position.
• Monitors the light and rain sensor signal.
• Requests the IPDM E/R (via CAN communication lines) to actuate the headlamp 

high, headlamp low and tail lamp relays based on lighting switch position, ignition 
switch position, light and rain sensor signals and autolight settings.

IPDM E/R

Controls the integrated headlamp high, headlamp low and tail lamp relays based on 
input from the BCM over the CAN communication lines.

Combination switch
(Lighting & turn signal switch)

Refer to 

BCS-9, "System Description"

.