Scan Tool Data Definitions

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Battery Voltage: The scan tool displays the system voltage of the vehicle.
Brake Fluid: The scan tool displays Ok/Low. This is the state of the vehicle brake fluid as monitored by the IPC.
Brake Fluid Switch: The scan tool displays volts. This is the state of the brake fluid switch as monitored by the IPC.
Cruise Control Active: The scan tool displays Active/Inactive/Invalid. This is the status of the cruise control monitored by the by the engine control module (ECM).
Cruise Control Switch: The scan tool displays Cancel/Off/On/Resume/Set/Error. This is the state of the cruise control switch as monitored by the body control module (BCM).
Change Engine Oil Indicator Command: The scan tool displays Off or On. This is the state of the change engine oil indicator as commanded by the ECM.
DIC Fuel Info: The scan tool displays Active/Inactive. This is the status of the driver information center (DIC) fuel information switch as monitored by the IPC.
DIC Information Switch: The scan tool displays Active/Inactive. This is the status of the driver information center (DIC) information switch as monitored by the IPC.
DIC Personalization: The scan tool displays Active/Inactive. This is the status of the driver information center (DIC) personalization functions as monitored by the IPC.
Driver Door Ajar Switch: The scan tool displays Door Closed or Door Ajar. This is the status of the drivers door switch as commanded by the body control module (BCM).
ECT Sensor: The scan tool displays -40 to +151°C (-40 to +304°F). The ECM monitors the voltage at the signal circuit of the engine coolant temperature sensor. The voltage is inversely proportional to the engine coolant temperature.
Engine Oil Level Switch: The scan tool displays Ok or Low. This is the status of the engine oil level switch as monitored by the ECM.
Engine Oil Life Remaining: The scan tool displays 0-100%. The ECM calculates the amount of engine oil life remaining.
Engine Oil Pressure Sensor: The scan tool displays kPa (psi). This is the state of the engine oil pressure sensor as monitored by the ECM.
Engine Oil Pressure Sensor: The scan tool displays 0-5 volts. This is the state of the engine oil pressure sensor as monitored by the ECM.
Engine Oil Temperature Calculated: The scan tool displays Celsius/Fahrenheit. This is the temperature of the engine oil as calculated by the ECM.
Engine Speed: The scan tool displays 0-9999 RPM. Engine speed is computed by the ECM. It should remain close to desired idle under various engine loads with the engine idling.
Fuel Level Sensor: The scan tool displays 0-5 volts. The ECM monitors the signal circuit of the fuel level sensor and the scan tool displays the fuel level sensor voltage.
Fuel Tank Level Remaining: The scan tool displays 0-100%. The ECM calculates the amount of fuel remaining based on the signal circuit voltage of the fuel level sensor.
Heated Washer Fluid Indicator Signal: The scan tool displays Active/Inactive. This is the status of the heated washer fluid indicator signal as monitored by the IPC.
Ignition 1 Input: The scan tool displays Active/Inactive. This is the state of the ignition 1 input to the IPC.
Ignition 1 Signal: The scan tool displays the system voltage of the vehicle.
Ignition Accessory Signal: The scan tool displays On or Off. The scan tool displays On when there is voltage present at the ignition accessory signal circuit.
Key In Ignition Cylinder Status: The scan tool displays Yes or No. This is the status of the key in ignition switch as monitored by the BCM
Low EOP Indicator Command: The scan tool displays On or Off. This is the state of the low EOP indicator as monitored by the ECM.
LCD Dimming: The scan tool displays percent (%). This is the percentage of the LCD dimming as monitored by the IPC.
Low Engine Oil Level Indicator Command: The scan tool displays On or Off. This is the state of the low engine oil level indicator as monitored by the ECM.
MIL Circuit Status: The scan tool displays Incomplete/Short to GND/Open/Short to B+/Ok. This is the status of the MIL circuit as monitored by the ECM.
MIL Command: The scan tool displays On or Off. This is the status of the MIL indicator as commanded by the ECM.
Odometer: The scan tool displays k/mh or MPH. This is the accumulated vehicle odometer as calculated by the ECM.
Passenger Seatbelt Indicator Command: The scan tool displays On or Off. This is the state of the seatbelt indicator command as monitored by the IPC.
Passenger Seatbelt Indicator Status: The scan tool displays On or Off. This is the status of the seatbelt indicator status as monitored by the IPC.
Park Lamp Switch: The scan tool displays On or Off. This is the status of the park lamp switch as commanded by the BCM.
Key In Ignition Cylinder Switch: The scan tool displays Active/Inactive. The IPC monitors the signal circuit of the trip reset switch and the switch state is displayed by the scan tool.
Vehicle Speed Sensor: The scan tool displays 0-255 km/h (0-155 mph). The ECM monitors the signal circuit of the vehicle speed sensor and the vehicle speed is displayed by the scan tool.
Washer Fluid Level: The scan tool displays Ok or Low. This is the status of the washer fluid level as monitored by the IPC.