For 1990-2009 cars only
Battery Voltage Signal: The scan tool displays the system voltage of the vehicle.
Chime: The scan tool displays On or Off. This is the state of the chime as commanded by the instrument panel cluster (IPC).
Cruise Control Active: The scan tool displays Yes or No. This is the status of the cruise control switch as commanded by the powertrain control module (PCM).
Cruise Control Active: The scan tool displays Active/Inactive/Invalid. This is the status of the cruise control switch as commanded by the engine control module (ECM).
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.
Door Ajar Switch: The scan tool displays Door Closed or Door Ajar. This is the status of the passenger door ajar switch(es) as monitored by the body control module (BCM).
Driver Door Ajar Switch: The scan tool displays Door Closed or Door Ajar. This is the status of the driver door ajar switch as monitored by the body control module (BCM).
ECT Sensor: The scan tool displays -40 to + 151°C (-40 to + 304°F). The PCM/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 Off. 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 PCM/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 Pressure Switch: The scan tool displays OK or Low. The status of the engine oil pressure switch as commanded by the PCM. The PCM monitors the signal circuit of the engine oil pressure (EOP) switch.
Engine Oil Temperature Calculated: The scan tool displays kPa (psi). 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 PCM/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 PCM/ECM monitors the signal circuit of the fuel level sensor.
Fuel Tank Level Remaining: The scan tool displays 0-100%. The PCM/ECM calculates the amount of fuel remaining based on the signal circuit voltage of the fuel level sensor.
Generator Lamp Command: The scan tool displays On or Off. The status of the charge indicator as commanded by the PCM.
Ignition 1 Signal: The scan tool displays the system voltage of the vehicle.
Ignition Status: The scan tool displays On or Off. The state of the ignition as commanded by the body control module (BCM).
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 Switch: The scan tool displays Yes or No. The BCM monitors the signal circuit of the ignition switch.
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.
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 History: The scan tool displays OK, High or Low. The status of the malfunction indicator lamp (MIL) circuit as monitored by the PCM.
MIL Circuit Status: The scan tool displays Incomplete/Short to GND/Open/Short to B+/Ok. The status of the MIL circuit as monitored by the ECM.
MIL Command: The scan tool displays On or Off. The status of the MIL indicator as commanded by the PCM/ECM.
Park Lamp Switch: The scan tool displays On or Off. The status of the park lamp switch as commanded by the BCM.
Trunk Ajar Switch: The scan tool displays Trunk Closed or Trunk Ajar. This is the status of the trunk ajar switch as monitored by the body control module (BCM).
Vehicle Speed Sensor: The scan tool displays 0-255 km/h (0-155 mph). The PCM/ECM monitors the signal circuit of the vehicle speed sensor.
Chime: The scan tool displays On or Off. This is the state of the chime as commanded by the instrument panel cluster (IPC).
Cruise Control Active: The scan tool displays Yes or No. This is the status of the cruise control switch as commanded by the powertrain control module (PCM).
Cruise Control Active: The scan tool displays Active/Inactive/Invalid. This is the status of the cruise control switch as commanded by the engine control module (ECM).
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.
Door Ajar Switch: The scan tool displays Door Closed or Door Ajar. This is the status of the passenger door ajar switch(es) as monitored by the body control module (BCM).
Driver Door Ajar Switch: The scan tool displays Door Closed or Door Ajar. This is the status of the driver door ajar switch as monitored by the body control module (BCM).
ECT Sensor: The scan tool displays -40 to + 151°C (-40 to + 304°F). The PCM/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 Off. 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 PCM/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 Pressure Switch: The scan tool displays OK or Low. The status of the engine oil pressure switch as commanded by the PCM. The PCM monitors the signal circuit of the engine oil pressure (EOP) switch.
Engine Oil Temperature Calculated: The scan tool displays kPa (psi). 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 PCM/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 PCM/ECM monitors the signal circuit of the fuel level sensor.
Fuel Tank Level Remaining: The scan tool displays 0-100%. The PCM/ECM calculates the amount of fuel remaining based on the signal circuit voltage of the fuel level sensor.
Generator Lamp Command: The scan tool displays On or Off. The status of the charge indicator as commanded by the PCM.
Ignition 1 Signal: The scan tool displays the system voltage of the vehicle.
Ignition Status: The scan tool displays On or Off. The state of the ignition as commanded by the body control module (BCM).
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 Switch: The scan tool displays Yes or No. The BCM monitors the signal circuit of the ignition switch.
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.
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 History: The scan tool displays OK, High or Low. The status of the malfunction indicator lamp (MIL) circuit as monitored by the PCM.
MIL Circuit Status: The scan tool displays Incomplete/Short to GND/Open/Short to B+/Ok. The status of the MIL circuit as monitored by the ECM.
MIL Command: The scan tool displays On or Off. The status of the MIL indicator as commanded by the PCM/ECM.
Park Lamp Switch: The scan tool displays On or Off. The status of the park lamp switch as commanded by the BCM.
Trunk Ajar Switch: The scan tool displays Trunk Closed or Trunk Ajar. This is the status of the trunk ajar switch as monitored by the body control module (BCM).
Vehicle Speed Sensor: The scan tool displays 0-255 km/h (0-155 mph). The PCM/ECM monitors the signal circuit of the vehicle speed sensor.
