Scan Tool Data Definitions
- Battery Voltage
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This parameter indicates battery positive voltage inputted from the main relay to the PCM.
- PNP Switch
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The scan tool displays Park/Neutral when the transmission is in Park or Neutral, and In Gear when the transmission is operating in forward or reverse gears.
- Starter Switch
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This parameter displays Cranking when the PCM is receiving a signal indicating that the engine starter motor is cranking. The scan tool displays Released when the ignition is on.