Scan Tool Data Definitions

Scan Tool Data Definitions

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.