TIAGO

ELECTRICAL

177

5.2 AUTO LOCK / DRIVE AWAY LOCKING

5.2.1 Description

When vehicle speed exceeds the pre-defined speed threshold value, all the doors shall automatically get

locked providing safety to vehicle users.

The Drive away / Auto Lock feature gets activated only when

1. Ignition is ON

2. Vehicle speed transition above pre-defined value.

3. All doors are closed.

4. Crash signal is inactive

Drive away / Auto locking can be of following two types

1. Single time drive away locking

2. Multiple times drive away locking

5.2.2 Conditional Requirements

Activation –

The BCM shall lock the vehicle centrally on all the below conditions satisfied:

• Ignition Key must be at ON position

• Vehicle speed must be above 10 kmph and stays there at least for two seconds.

• All doors must be properly closed. (i.e. no door ajar condition)

Exit Condition

Auto lock mode shall exit when BCM sense ignition ON to OFF and the after key is taken out, then BCM

shall unlock the vehicle.

Unlock on crash

When vehicle crash state is detected the BCM unlocks the vehicle for easier rescue of the occupants.

5.2.3 Operating Voltage Range

DESCRIPTION REQUIREMENT

VOLTAGE

Auto Lock /

Drive

Away

Locking

Normal operating voltage

12V

Min & Max operating voltage range

9V-16V