Scan Tool Data Definitions

ABS Lamp: The scan tool displays On or Off. The state of the ABS indicator as commanded by the IPC.

Battery: The scan tool displays On or Off. The state of the battery indicator as commanded by the IPC.

Battery Voltage: The scan tool displays 0 - 19 volts. The voltage measured at the battery positive voltage circuit of the BCM.

Battery Voltage: The scan tool displays 0 - 19 volts. The voltage measured at the battery positive voltage circuit of the IPC.

Brake Lamp: The scan tool displays On or Off. The state of the BRAKE indicator as commanded by the IPC.

Dimming: The scan tool displays Active or Inactive. Active is displayed when the park lamps are ON. Inactive is displayed when the park lamps are OFF.

Displayed Coolant Temp: The scan tool displays the coolant temperature displayed by the IPC in °C (°F). This value may slightly differ from the monitored coolant temperature.

Displayed Fuel Level: The scan tool displays the fuel level percentage displayed by the IPC. This value may slightly differ from the monitored fuel level.

Displayed Odometer: The scan tool displays the odometer data displayed by the IPC in kilometers miles)

Displayed Trip Odometer: The scan tool displays the trip odometer data displayed by the IPC in kilometers (miles).

Driver Door Jamb Sw: The scan tool displays Active or Inactive. The output of the driver door jamb switch. An open switch with the door open is displayed as Active.

ECT Sensor: The scan tool displays -40 to +151°C (-40 to +304°F). The PCM monitors the voltage at the signal circuit of the engine coolant temperature sensor. The voltage is inversely proportional to the engine coolant temperature.

Engine Speed: The scan tool displays 0 - 9999 RPM. The IPC monitors the engine speed signal circuit from the PCM.

Engine Speed: The scan tool displays 0 - 9999 RPM. Engine speed is computed by the PCM from the 3X reference input. It should remain close to desired idle under various engine loads with the engine idling.

Fasten Seat Belts: The scan tool displays On or Off. The state of the fasten safety belt indicator as commanded by the IPC.

Fuel Tank Level Remaining: The scan tool displays 0 - 100%. The PCM calculates the amount of fuel remaining in the tank based on the input from the fuel level sensor.

Fuel Tank Level Remaining: The scan tool displays liters. The PCM calculates the amount of fuel remaining in the tank based on the input from the fuel level sensor.

High Beam Lamp: The scan tool displays On or Off. The state of the high beam indicator as commanded by the IPC.

Ignition 1: The scan too displays Active or Inactive. The BCM displays Active if it senses voltage at the ignition 1 input.

Ignition 3: The scan tool displays Active or Inactive. The BCM displays Active if it senses voltage at the ignition 3 input.

Key in Ignition: The scan tool displays Yes or No. The BCM monitors the key in ignition signal circuit. A closed switch with the key in the ignition is displayed as Yes.

Left Turn Signal: The scan tool displays On or Off. The BCM monitors the signal circuit of the left turn signal switch. A closed switch is displayed as On.

Low Fuel Lamp: The scan tool displays On or Off. The state of the low fuel indicator as commanded by the IPC.

Module Part Number: The scan tool displays the GM part number of the IPC.

Monitored Coolant Temp: The scan tool displays the coolant temperature data in °C (°F) as provided to the IPC from the PCM via the class 2 serial data link.

Monitored Fuel Level: The scan tool displays the fuel level percentage as provided to the IPC from the PCM via the class 2 serial data link.

Overspeed Lamp: The scan tool displays On or Off. The state of the overspeed indicator as commanded by the IPC.

Park Brake Switch: The scan tool displays Set or Released. The BCM monitors the park brake switch signal circuit.

Park Lamps: The scan tool displays On or Off. The BCM monitors the signal circuit of the park lamp switch. A closed switch is displayed as On.

Park Switch: The scan tool displays Open or Closed. The state of the park position switch. A closed switch with the shifter in Park is displayed as Closed.

PRNDL State: The scan tool displays the PRNDL range of the vehicle as communicated to the IPC by the PCM via the class 2 serial data link.

Right Turn Signal: The scan tool displays On or Off. The BCM monitors the signal circuit of the right turn signal switch. A closed switch is displayed as On.

Security Lamp: The scan tool displays On or Off. The state of the security indicator as commanded by the IPC.

Security Lamp State: The scan tool displays On, Off or Flashing. The state of the security indicator as commanded by the BCM.

Service 4WD: The scan tool displays On or Off. The state of the Service 4WD indicator as commanded by the IPC.

Tow/Haul: The scan tool displays On or Off. The IPC monitors the signal circuit of the tow/haul switch. A closed switch is displayed as On.

Trip Reset Switch: The scan tool displays Active or Inactive. The IPC monitors the trip reset switch. A closed switch is displayed as Active.

Upshift Lamp: The scan tool displays On or Off. The state of the Upshift indicator as commanded by the IPC.

Vehicle Speed: The scan tool displays 0 - 255 km/h (0 - 155 mph). The BCM monitors the vehicle speed signal circuit from the PCM.

Vehicle Speed: The scan tool displays 0 - 255 km/h (0 - 155 mph). The IPC monitors the vehicle speed signal circuit from the PCM.

Vehicle Speed Sensor: The scan tool displays 0 - 255 km/h (0 - 155 mph). The PCM monitors the voltage at the signal circuit of the vehicle speed sensor. The voltage is proportional to the vehicle speed.