AIR BAG SYSTEM
korando 2010.10
8810-00
Collision signal interface
The open collector driver raises or lowers the voltage of the pin No. 58 by switching on and off
the drive transistor. The vehicle module can be operated normally only when the rule of the
open collector interface is followed and can be maintained in a pull -up state. The followings
are the specifications of the electrical interface.
The load resistance of the SDM should be 590 ohms or higher. It may not be possible to
operate the collision occurrence circuit normally if the resistance value does not reach this
specified value.
Items Minimum Average Maximum Remark
Driving current (current value
when the transistor is turned
on)
12.31 mA 19.6 mA 30 mA
Depending on the
battery voltage
Leakage current (current value
when the transistor is turned
off)
No crash signal
Load resistance 590 ohms
Above than this
value
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