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Scan Tool Data List

Engine Control Module (ECM)/Powertrain Control Module (PCM)

Scan Tool Parameter Data List Units Displayed Typical Data Value
Operating Conditions: Ignition ON/Engine OFF (Gasoline Engines Only)
GEN F-Terminal Signal Engine Data 2 % 10-90%
GEN L-Terminal Signal Command Engine Data 2 On/Off On
Ignition 1 Signal Engine Data 1, Engine Data 2 Volts 9-14 V
Operating Conditions: Ignition ON/Engine OFF (Diesel Engines Only) 
GEN L-Terminal Signal Engine Data 1 Voltage/No Voltage Voltage
Ignition 1 Signal Engine Data 1 Volts 9-14 V