Compact failure simulation

  • 31-Mar-2008 07:01 EDT


ETAS’ ES4440 compact failure simulation module is used to insert electrical faults in the wire harness of a powertrain electronic control unit to verify the software and hardware passes diagnostics tests, like OBDII. The ES4440 provides a blend of high-current channels to simulate errors in high-current components like fuel pumps or glow plugs, and high-voltage channels to simulate errors in high-voltage components like piezo-electric fuel injectors. High-current channel faults are simulated using precision MOSFET transistors that offer a very high channel count at a cost-effective price-to-performance ratio. High-voltage channels use relays to simulate single or multiple faults.

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