Scan Tool Data Definitions
- Battery Voltage
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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
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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
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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
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The scan tool displays 0-100 percent. The scan tool displays the percentage of the field current.
- GEN L-Terminal Circuit Status
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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
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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
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The scan tool displays 0-100 percent. The scan tool displays the percentage of the GEN L-terminal signal.
- GEN L-Terminal Signal Command
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The scan tool displays On or Off. The scan tool displays the status of the GEN L-terminal signal.
- Ignition 1 Signal
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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
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The scan tool displays Off, Accessory, Run and Crank Request. The scan tool displays the state of the ignition switch.
- Run/Crank Relay
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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
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The scan tool displays On or Off. The scan tool displays the commanded state of the Run/Crank relay.
- Starter Relay Circuit Status
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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
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The scan tool displays On or Off. The scan tool displays Off until engine start has been requested, then it reads On.