For 1990-2009 cars only
Battery Voltage: The scan tool displays 0-20 volts. The scan tool displays the voltage as received by the module or the 72-08 battery voltage message from the body control module (BCM).
Battery Voltage Signal: The scan tool displays 0-20 volts. The scan tool displays the voltage as received by the module or the 72-08 battery voltage message from the BCM.
Crank Request Signal: The scan tool displays Yes or No. The scan tool displays No until the ignition is placed into the START position then Yes is displayed.
GEN F-Terminal Signal: The scan tool displays 0-100 percent. The scan tool displays the percentage of the field current.
GEN L-Terminal Circuit Status: The scan tool displays Fault, Indeterminate or OK. The scan tool displays the status of the GEN L-Terminal circuit.
GEN L-Terminal Circuit Status: The scan tool displays Incomplete, Short, GND/Open, Short to B+ or OK. The scan tool displays the status of the GEN L-Terminal circuit.
GEN L-Terminal Command: The scan tool displays 0-100 percent. The scan tool displays the percentage of the GEN L-terminal signal.
GEN L-Terminal Signal Command: The scan tool displays On or Off. The scan tool displays the status of the GEN L-terminal signal.
Ignition 1 Signal: The scan tool displays 0-20 volts. The scan tool displays the voltage as received on the Ignition 1 circuit to the ECM/PCM.
Power Mode: The scan tool displays Off, Accessory, Run and Crank Request. The scan tool displays the state of the ignition switch.
Run/Crank Relay: The scan tool displays On or Off. The scan tool displays the actual state of the Run/Crank relay. It will display On when in a remote start event.
Run/Crank Relay Command: The scan tool displays On or Off. The scan tool displays the commanded state of the Run/Crank relay.
Starter Relay Circuit Status: The scan tool displays Incomplete, Short, GND/Open, Short to B+ or OK. The scan tool displays the status of the starter relay circuit.
Starter Relay Command: The scan tool displays On or Off. The scan tool displays Off until engine start has been requested, then it reads On.
Battery Voltage Signal: The scan tool displays 0-20 volts. The scan tool displays the voltage as received by the module or the 72-08 battery voltage message from the BCM.
Crank Request Signal: The scan tool displays Yes or No. The scan tool displays No until the ignition is placed into the START position then Yes is displayed.
GEN F-Terminal Signal: The scan tool displays 0-100 percent. The scan tool displays the percentage of the field current.
GEN L-Terminal Circuit Status: The scan tool displays Fault, Indeterminate or OK. The scan tool displays the status of the GEN L-Terminal circuit.
GEN L-Terminal Circuit Status: The scan tool displays Incomplete, Short, GND/Open, Short to B+ or OK. The scan tool displays the status of the GEN L-Terminal circuit.
GEN L-Terminal Command: The scan tool displays 0-100 percent. The scan tool displays the percentage of the GEN L-terminal signal.
GEN L-Terminal Signal Command: The scan tool displays On or Off. The scan tool displays the status of the GEN L-terminal signal.
Ignition 1 Signal: The scan tool displays 0-20 volts. The scan tool displays the voltage as received on the Ignition 1 circuit to the ECM/PCM.
Power Mode: The scan tool displays Off, Accessory, Run and Crank Request. The scan tool displays the state of the ignition switch.
Run/Crank Relay: The scan tool displays On or Off. The scan tool displays the actual state of the Run/Crank relay. It will display On when in a remote start event.
Run/Crank Relay Command: The scan tool displays On or Off. The scan tool displays the commanded state of the Run/Crank relay.
Starter Relay Circuit Status: The scan tool displays Incomplete, Short, GND/Open, Short to B+ or OK. The scan tool displays the status of the starter relay circuit.
Starter Relay Command: The scan tool displays On or Off. The scan tool displays Off until engine start has been requested, then it reads On.
