Nissan Versa

 Sedan Service Manual

Driver controls » Exterior lighting system (EXL)
Headlamp system

HEADLAMP SYSTEM : System Diagram

HEADLAMP SYSTEM : System Description

LOW BEAM OPERATION

When the lighting switch is in 2nd position, the BCM receives input requesting the headlamps to illuminate.

This input is communicated to the IPDM E/R across the CAN communication lines. The CPU of the IPDM E/R controls the headlamp low relay coil which supplies power to the low beam headlamps.

HIGH BEAM OPERATION/FLASH-TO-PASS OPERATION

With the lighting switch in the 2nd position and placed in HIGH position, the BCM receives input requesting the headlamp high beams to illuminate. The flash to pass feature can be used any time and also sends a signal to the BCM. This input is communicated to the IPDM E/R across the CAN communication lines. The CPU of the combination meter controls the ON/OFF status off the HIGH BEAM indicator. The CPU of the IPDM E/R controls the headlamp high relay coil which supplies power to the high beam headlamps.

The combination meter receives a high beam request signal (ON) through the CAN communication lines and turns the high beam indicator lamp ON.

EXTERIOR LAMP BATTERY SAVER CONTROL

With the combination switch (lighting and turn signal switch) in the 2nd position and the ignition switch is turned from ON or ACC to OFF, the battery saver feature is activated.

Under this condition, the headlamps remain illuminated for 45 seconds unless the lighting switch position is changed. If the lighting switch position is changed, then the headlamps are turned off.

This setting can be changed by CONSULT. Refer to BCS "HEADLAMP : CONSULT Function (BCM - HEAD LAMP)".

Precautions

Headlamp system

With daytime light system

Front fog lamp system

Turn signal and hazard warning lamp system

Parking, license plate and tail lamp system

Diagnosis system (IPDM E/R) (with intelligent key system)

Diagnosis system (IPDM E/R) (without intelligent key system)

Diagnosis and repair workflow

Power supply and ground circuit

Headlamp (HI) circuit

Headlamp (LO) circuit

Parking lamp circuit

Turn signal lamp circuit

Front fog lamp circuit

Both side headlamps do not switch to high beam

Both side headlamps (LO) are not turned on

Parking, license plate and tail lamps are not turned on

Both side front fog lamps are not turned on

Headlamp aiming adjustment

Front fog lamp aiming adjustment

Front combination lamp

Front fog lamp

Combination switch

Hazard switch

Rear combination lamp

High-mounted stop lamp

License plate lamp