Digital
frequency n [Hz] ( n = 1..4 )
Frequency input 1 to 4 (normally a wheel or shaft speed)
Freq n low time [ms] ( n = 1..4 )
The time that the input was frequency n was last low for
Engine speed (ECU) [Hz]
Engine speed from the ECU - note that this is a dummy channel and is actually mapped to the normal RPM channel
EGR freq [Hz]
frequency that the exhaust gas recirculating valve is operating
ISBV freq [Hz]
Frequency that the idle speed bypass valve is operating
Nitrous solenoid freq [Hz]
Frequency that the NOS flow control valve is operating