Educational Advantages

• Engine systems respond to created conditions and inserted faults with real world symptoms, OEM DTC’s and check engine light operation

Features

• This fault box allows the insertion of single or multiple faults in the engine control system
• Major engine sensor signals can be adjusted to produce a variety of engine operating conditions
• Faults are inserted by selecting switches for each condition
• Signals can be varied using adjustment knobs
• Signals can be read at the test points provided, at the break-out-box or on the scan tool data display

Example Faults

• ECT (engine coolant temperature sensor)
  • The engine coolant temperature sensor signal can be varied from minimum to maximum values. Multiple driveability symptoms can be created (hard start, no start, flooded, running rich or lean)
• Fuel Injector
  • One fuel injector control circuit can be opened, creating an engine misfire