Reading Off Input And Output Signals

This function can be used to continuously read off the values and status of the control module's input and output signals.

The following parameters can be read off:

• Engine coolant temperature sensor.  The coolant temperature in the heater
• Overheat protection thermostat.  The coolant temperature in the heater
• Flame sensor.  The temperature at the flame sensor
• Modulation degree glow plugs.  Reading off the degree to which the glow plug is activated
• Fuel pump frequency.  Reading off the frequency of the fuel pump
• Water pump.  On: Water pump activated. Off: Water pump deactivated
• Fuel level, status.  Reading off the lowest permitted quantity of fuel to allow the heater to start
• Lowest permitted battery voltage.  Reading off the lowest permitted battery voltage to allow the heater to start
• Highest permitted battery voltage.  Reading off the highest permitted battery voltage to allow the heater to start.