Scan Tool Data Definitions

WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.

ABS Fault: The scan tool displays Yes/No. The body control module displays yes if there is a fault in the ABS system.
A/C Request (RPO C60): The scan tool displays Yes/No. The BCM receives an input from the HVAC control head indicating Yes when A/C is requested.
Accessory Input: The scan tool displays High/Low. The state of the accessory input to the body control module.
ALC Light Sensor: The scan tool displays voltage. The body control module displays the voltage from the solar sensor.
Auto-Learn Timer: The scan tool displays the time in seconds used by the BCM to learn valid code from the Passlock™ sensor using the techline terminal reprogramming procedure.
Battery 1: The scan tool displays 0-25.5 volts. The state of the battery voltage supplied to the body control module.
Coolant Gauge Position: The scan tool displays the % of Gauge. The amount of coolant that is in the vehicle.
Decklid Ajar Switch: The scan tool displays the current state of the decklid ajar switch as either High or Low. When the decklid is open the scan tool will display Low.
Displayed Odometer: The scan tool displays km/miles. The body control module receives a class 2 message from the ECM. The BCM stores this information and displays it on the scan tool.
Dome Lamp Command: The scan tool displays On/Off. The BCM will indicate if it is commanding the dome lamp On or Off.
Dome Lamp Feedback: The scan tool displays High/Low. The BCM indicates whether the dome lamp control circuit is High or Low.
Driver Door Switch: The scan tool displays the current state of the drivers door ajar switch as either High or Low. When the driver door is open the scan tool will display Low.
Driver Unlock Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the driver unlock relay On or Off.
Driver Unlock Relay Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the driver unlock relay feedback circuit. High is displayed when the BCM is providing battery voltage to the driver lock actuator unlock control circuit.
DRL Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the DRL relay On or Off.
DRL Relay Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the DRL relay feedback circuit. Low is displayed when the BCM is providing a ground to the DRL relay control circuit.
Front Washer Motor Input: The scan tool displays On/Off. This input displays On when the front washer spray is on.
Front Wiper Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the front wiper relay On or Off.
Front Wiper Relay Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the front wiper relay feedback circuit. Low is displayed when the BCM is providing a ground to the front wiper relay control circuit.
Front Wiper Switch: The scan tool displays On/Off. This input displays On when the front wipers are on.
Fuel Gauge Position: The scan tool displays the % of Full. The amount of fuel that is in the gas tank.
Headlamp Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the headlamp relay On or Off.
Headlamp Relay Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the headlamp relay feedback circuit. Low is displayed when the BCM is providing a ground to the headlamp relay control circuit.
High Beam Input = Off: The scan tool displays Yes/No. This input to the body control module displays the state of the high beam input.
High Beam Input = DRL: The scan tool displays Yes/No. This input to the body control module displays the state of the high beam input.
High Beam Input = High: The scan tool displays Yes/No. This input to the body control module displays the state of the high beam input.
Horn Relay Command: The scan tool displays On/Off. the body control module will indicate if it is commanding the horn relay On or Off.
Horn Relay Feedback: The scan tool displays High/Low. This input to the BCM displays the state of the horn relay feedback circuit. Low is displayed when the BCM is providing a ground to the horn relay control circuit.
I/P Dimmer Input: The scan tool displays volts. The BCM indicates the voltage from the dimmer switch.
I/P Dimmer Output: The scan tool displays the % duty cycle. The BCM will indicate 0-100% of the dimmer switch duty cycle.
Ignition 1 Input: The scan tool displays High/Low. The state of the ignition 1 input to the body control module.
Inadvertent Power Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the inadvertent power to the interior lamps.
Inadvertent Power Fdbk.: The scan tool displays High/Low. The BCM indicates whether the inadvertent power control circuit is High or Low.
Key In Ignition: The scan tool displays Yes/No. The BCM receives an input from the ignition switch indicating whether the key is in the ignition or not, with Yes meaning the key is in the ignition.
Key Learn Enabled: The scan tool displays Yes/No. The body control module will indicate if it is enabled to learn the ignition key.
Lock All Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the lock all relay On or Off.
Lock All Relay Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the door lock relay feedback circuit. High is displayed when the BCM is providing battery voltage to the door lock actuator lock control circuit.
Lock Switch: The scan tool displays On/Off. This input to the BCM displays the state of the lock switch.
Low Beam Input = Off (Late 2004): The scan tool displays Yes/No. This input to the body control module displays the state of the low beam input.
Low Beam Input = DRL (Late 2004): The scan tool displays Yes/No. This input to the body control module displays the state of the low beam input.
Low Beam Input = High (Late 2004): The scan tool displays Yes/No. This input to the body control module displays the state of the low beam input.
Low Beam Switch: The scan tool displays On/Off. This input displays On when the low beams are On.
Low Brake Fluid: The scan tool displays Yes/No. The BCM receives an input from the low brake fluid switch indicating Yes when the switch is closed, low brake fluid.
Low Coolant: The scan tool displays Yes/No. The BCM receives an input from the low coolant switch indicating Yes when the switch is open, low coolant.
Oil Life Reset Switch: The scan tool displays High/Low. The BCM receives an input from the oil life reset switch (in the underhood fuse block) indicating Low when the engine oil needs to be changed.
Park Brake Switch: The scan tool displays On/Off. The BCM receives an input from the park brake switch indicating On when the switch is closed, park brake applied.
Parklamp Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the parklamp relay On or Off.
Parklamp Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the parklamp relay feedback circuit. Low is displayed when the BCM is providing a ground to the parklamp relay control circuit.
Parklamp Input: The scan tool displays volts. This input displays the voltage supplied to the body control module.
Parklamp Switch: The scan tool displays On/Off. This input displays On when the park lamps are On.
Passlock Input: The scan tool displays the voltage from the Passlock™ sensor to the BCM. The BCM determines if the voltage received is a valid or invalid code voltage.
Passlock Power Fdbk.: The scan tool displays High/Low. The state of the Passlock™ system power feedback to the body control module.
Passlock Timer: The scan tool displays the time in seconds used by the BCM to learn a valid code from the Passlock™ sensor. The learn procedure consists of 3 consecutive periods.
Psgr. Door Switches: The scan tool displays the current state of the passengers door ajar switch as either High or Low. When any door (other than driver) is open the scan tool will display Low.
Psgr. Unlock Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the psgr. unlock relay On or Off.
Psgr. Unlock Relay Fdbk.: The scan tool displays High/Low. This input displays the state of the to the passenger unlock relay feedback circuit. High is displayed when the BCM is providing battery voltage to the passenger lock actuator unlock control circuit
Rear Defog Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the rear defog relay On or Off.
Rear Defog Relay Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the rear defog relay feedback circuit. Low is displayed when the BCM is providing a ground to the rear defog relay control circuit.
Rear Defog Switch (RPO C60): The scan tool displays On/Off. The BCM receives an input from the HVAC control head indicating Yes when the rear defog system is turned On.
Rear Washer Motor Input: The scan tool displays On/Off. This input displays On when the rear washer spray is on.
Rear Wiper Relay Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the rear wiper relay On or Off.
Rear Wiper Relay Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the rear wiper relay feedback circuit. Low is displayed when the BCM is providing a ground to the rear wiper relay control circuit.
Rear Wiper Switch: The scan tool displays On/Off. This input displays On when the rear wipers are on.
Remote Lock Command: The scan tool displays the current state of the lock button on the key fob that is being operated as Yes/No.
Remote Panic Command: The scan tool displays the current state of the panic button on the key fob that is being operated as Yes/No.
Remote Trunk Command: The scan tool displays the current state of the decklid button on the key fob that is being operated as Yes/No.
Remote Unlock Command: The scan tool displays the current state of the unlock button on the key fob that is being operated as Yes/No.
Security LED: The scan tool displays the state of the body control module (BCM) commanding the SECURITY lamp. The scan tool displays ON, OFF or FLASH, as commanded by the BCM.
Shifter Unlock Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the shifter unlock On or Off.
Shifter Unlock Fdbk.: The scan tool displays High/Low. The BCM indicates whether the shifter unlock control circuit is High or Low.
Traction Active: The scan tool displays Yes/No. The body control module displays Yes if the traction system is active.
Traction Control Status: The scan tool displays On/Off. The body control module displays On if the traction control is on.
Traction LED Command: The scan tool displays On/Off. The body control module will indicate if it is commanding the traction LED On or Off.
Traction LED Feedback: The scan tool displays High/Low. This input to the BCM displays the state of the traction LED feedback circuit. Low is displayed when the BCM is providing a ground to the traction LED.
Trunk Release Sol. Cmd.: The scan tool displays On/Off. The body control module will indicate if it is commanding the trunk release solenoid On or Off.
Trunk Release Sol. Fdbk.: The scan tool displays High/Low. This input to the BCM displays the state of the trunk release solenoid feedback circuit. Low is displayed when the BCM is providing a ground to the trunk release solenoid control circuit.
Trunk Release Switch: The scan tool displays On/Off. This input displays On when the trunk release switch input is low.
Unlock Switch: The scan tool displays On/Off. This input to the BCM displays the state of the unlock switch.
Washer Fluid Level: The scan tool displays Low/OK. The body control module will display Low when the washer fluid level is low.
Wiper Delay 1: The scan tool displays Yes/No. This input to the body control module displays the state of the wiper delay switch.
Wiper Delay 2: The scan tool displays Yes/No. This input to the body control module displays the state of the wiper delay switch.
Wiper Delay 3: The scan tool displays Yes/No. This input to the body control module displays the state of the wiper delay switch.
Wiper Delay Input: The scan tool displays volts. This input displays the voltage supplied to the body control module.