TIAGO

ELECTRICAL

154

1.5 HEAD LAMP - HIGH BEAM.

1.5.1 Description

High beams cast most of their light straight ahead, maximizing viewing distance, providing safe forward

visibility.

1.5.2 Conditional Requirements

Activation –

• IGN is ON or ACC is ON &

• Head Lamp ON switch is activated &

• High Beam ON switch is activated.

Deactivation –

• IGN is OFF or ACC is OFF or

• Head Lamp ON switch is deactivated or

• High Beam ON switch is deactivated or

• Vehicle is being cranked

On Fault –

High Beam tell tale is off and Mid BCM logs respective DTC.



For Flash to Pass



BCM shall

activate

high beam as long as flash to pass input is active (i.e. flash to pass position).



The flash to pass feature shall be available even when the headlamps are OFF



BCM shall

deactivate

high beam on ignition crank and shall activate once the crank pulse is not sensed.

1.5.3 Operating Voltage Range

DESCRIPTION REQUIREMENT

VOLTAGE

Head Lamp -

High Beam

Normal operating voltage

12V

Min & Max operating voltage range

9V-16V

1.5.4 Inputs & Outputs