For 1990-2009 cars only
Ambient Light Sensor: The scan tool displays the state of the ambient light sensor as determined by the HUD.
Auto. Trans. Equipped: The scan tool displays No/Yes. The scan tool displays if the vehicle is equipped with an automatic transmission system.
Battery Voltage Signal: The scan tool displays 0-19 volts. This is the voltage measured at the battery positive voltage circuit of the instrument panel cluster (IPC).
Brake Fluid: The scan tool displays Ok/Low. This is the status of the brake fluid level switch signal.
Brake Fluid Switch: The scan tool displays the voltage at the brake fluid switch signal circuit as monitored by the IPC.
Cruise Control Active: The scan tool displays No/Yes. This is the state of the cruise control switch input as determined by the engine control module (ECM).
Current Gear: The scan tool displays the current gear (P/N, 1st, 2nd, 3rd, 4th, 5th and Reverse) of the transmission.
Display Dimming: The scan tool displays 0-100%. This is the current state of the display dimming as controlled from the dimmer switch.
Display Dimming Signal: The scan tool displays Volts.
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 Life Remaining: The scan tool displays 0-100%. The ECM calculates the amount of oil life remaining.
Engine Oil Level Switch: The scan tool displays OK or Low. The ECM monitors the engine oil level switch and receives a serial data message indicating the engine oil level.
Engine Oil Pressure Sensor: The scan tool displays the oil pressure in kPa or psi. The ECM monitors the engine oil pressure sensor and receives serial data message indicating the engine oil pressure.
Engine Oil Pressure Sensor: The scan tool displays 0-5 volts. The ECM monitors the engine oil pressure sensor and receives serial data message indicating the engine oil pressure sensor voltage.
Engine Oil Temperature Calculated: The scan tool displays °C (°F). The ECM monitors the engine oil temperature. The engine control module receives serial data message indicating the engine oil temperature.
Engine Oil Temperature Sensor: This parameter displays the engine oil temperature calculated by the control module using a signal from the engine oil temperature sensor. The engine oil temperature sensor has a range of values indicating a low value when the oil temperature is low to a high value when the oil temperature is high.
Engine Speed: The scan tool displays 0-8000 RPM. Engine speed is computed by the ECM from the ignition reference input. It should remain close to desired idle under various engine loads with the engine idling.
Fuel Level: This parameter displays the percentage value of the amount of fuel in the fuel tank calculated by the control module.
Engine Speed Signal: The scan tool displays 0-8000 RPM. The engine speed is computed by the IPC from the engine speed serial data message from the ECM.
English Metric Status: The scan tool displays English or Metric system. This is the selected unit that is displayed in the IPC.
Fuel Level Sensor Left Tank: The scan tool displays 0-5 volts. The ECM monitors the signal circuit of the secondary fuel level sensor.
Fuel Level Sensor Right Tank: The scan tool displays 0-5 volts. The ECM monitors the signal circuit of the primary fuel level sensor.
Fuel Tank Level Remaining: The scan tool displays the approximate value of fuel remaining in liters or gallons. The ECM calculates the amount of fuel remaining in the tanks based on the signal circuits of the fuel level sensors.
Fuel Tank Level Remaining: The scan tool displays the approximate value of fuel remaining in liters or gallons. The ECM calculates the amount of fuel remaining in the tanks based on the signal circuits of the fuel level sensors.
Gage Back Lighting Dimming: The scan tool displays 0 to 100%. This is the status of the gage backlighting dimming as controlled from the switch.
Generator L Terminal: The scan tool displays Off/On. The ECM disables the generator under certain conditions to ease starting or engine load conditions.
Ignition 0 Signal: The scan tool displays On/Off. The scan tool displays On when voltage is present at the ignition 0 voltage circuit of the ECM.
Ignition 1 Signal: The scan tool displays 9-16 Volts. This is the voltage present at the Ignition 1 voltage circuit of the ECM.
Ignition 1 Input: The scan tool displays Inactive or Active. The scan tool displays Active when voltage is present at Ignition 1 input of the IPC.
Ignition Cycle Counter: The scan tool displays Counts. The scan tool displays the number of times the ignition has been cycled as provided by the IPC.
Indicator Dimming: The scan tool displays 0-100%. The scan tool displays the current state of the indicator dimming as provided by the IPC.
Information Down Switch: The scan tool displays Inactive or Active. This is the state of the Information Down Switch of the driver information center (DIC) as provided by the IPC.
Information Reset Switch: The scan tool displays Inactive or Active. This is the state of the Information Reset Switch of the DIC as provided by the IPC.
Information Up Switch: The scan tool displays Inactive or Active. This is the state of the Information Up Switch of the DIC as provided by the IPC
LCD Dimming: The scan tool displays 0-100%. The scan tool displays the current state of the LCD dimming as provided by the IPC.
Malfunction Indicator Lamp (MIL) Circuit Status: The scan tool displays Fault. This is the status of the MIL circuit as monitored by the ECM.
MIL Command: The scan tool displays Off or On. The is the commanded state of the MIL by the ECM. The MIL should be on in the IPC when the scan tool displays the MIL Command is On.
Pointer Dimming: The scan tool displays 0-100%. The scan tool displays the current state of the pointer dimming as provided by the IPC.
PRNDL State: The scan tool displays Invalid, First Gear, Second Gear, Third Gear, Fourth Gear, Fifth Gear, Reverse, Neutral, Park, Drive, Not Available. The IPC displays the current transmission range as provided by the ECM. The IPC receives a serial data message indicating the vehicle transmission range from the TCM.
Trip Odometer A/B Switch: The scan tool displays Inactive or Active. This is the status of the Trip Odometer A/B Switch as provided by the IPC. The trip odometer switch states can be toggled between trips A and B.
Trip Reset Switch: The scan tool displays Inactive or Active. This is the state of the odometer trip reset switch as provided by the IPC.
Vehicle Speed: The scan tool displays km/h (mph). The vehicle speed is computed by the IPC from the vehicle speed serial data message from the ECM.
Vehicle Speed Sensor: The scan tool displays 0-255 km/h (0-155 mph). This is the vehicle speed as calculated by the ECM.
Change Engine Oil Indicator Command: This parameter displays the commanded status indicating the engine oil change. The scan tool will display ON or OFF. ON indicates the engine oil must be changed as commanded by the control module; OFF indicates there is no need to change engine oil.
Engine Oil Level Switch: This parameter displays the status of the engine oil level switch as determined by the control module. The control module uses this information to turn on the low engine oil lamp if the engine oil level remains approximately 1 quart low for a sufficient amount of time. The scan tool will display Low when the engine oil level is low. The scan tool will display Ok when the engine oil level is correct.
Ignition 0 Signal: This parameter displays the state of the ignition accessory input to the control module from the ignition switch. The scan tool will display On when the ignition switch is in the ignition accessory position. The scan tool will display Off when the ignition switch is in any other position.
Low Engine Oil Indicator Command: This parameter displays the status of the engine oil level. When the scan tool indicator command is On, the control module detects the low engine oil level.
Low Engine Oil Indicator Command: This parameter displays the status of the engine oil pressure. When the scan tool indictor command is On, the control module detects the low engine oil pressure.
Vehicle Speed Circuit Status: This parameter displays the diagnostic state of the output driver for the vehicle speed circuits. The scan tool will display OK, Incomplete, Open, Short to B+, or Short Gnd. OK indicates no circuit faults are detected during the current test. Incomplete indicates the circuit test is not completed. Other displays indicate that a short or open circuit/component exists, electronically disconnecting the circuit/component from the control module.
Auto. Trans. Equipped: The scan tool displays No/Yes. The scan tool displays if the vehicle is equipped with an automatic transmission system.
Battery Voltage Signal: The scan tool displays 0-19 volts. This is the voltage measured at the battery positive voltage circuit of the instrument panel cluster (IPC).
Brake Fluid: The scan tool displays Ok/Low. This is the status of the brake fluid level switch signal.
Brake Fluid Switch: The scan tool displays the voltage at the brake fluid switch signal circuit as monitored by the IPC.
Cruise Control Active: The scan tool displays No/Yes. This is the state of the cruise control switch input as determined by the engine control module (ECM).
Current Gear: The scan tool displays the current gear (P/N, 1st, 2nd, 3rd, 4th, 5th and Reverse) of the transmission.
Display Dimming: The scan tool displays 0-100%. This is the current state of the display dimming as controlled from the dimmer switch.
Display Dimming Signal: The scan tool displays Volts.
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 Life Remaining: The scan tool displays 0-100%. The ECM calculates the amount of oil life remaining.
Engine Oil Level Switch: The scan tool displays OK or Low. The ECM monitors the engine oil level switch and receives a serial data message indicating the engine oil level.
Engine Oil Pressure Sensor: The scan tool displays the oil pressure in kPa or psi. The ECM monitors the engine oil pressure sensor and receives serial data message indicating the engine oil pressure.
Engine Oil Pressure Sensor: The scan tool displays 0-5 volts. The ECM monitors the engine oil pressure sensor and receives serial data message indicating the engine oil pressure sensor voltage.
Engine Oil Temperature Calculated: The scan tool displays °C (°F). The ECM monitors the engine oil temperature. The engine control module receives serial data message indicating the engine oil temperature.
Engine Oil Temperature Sensor: This parameter displays the engine oil temperature calculated by the control module using a signal from the engine oil temperature sensor. The engine oil temperature sensor has a range of values indicating a low value when the oil temperature is low to a high value when the oil temperature is high.
Engine Speed: The scan tool displays 0-8000 RPM. Engine speed is computed by the ECM from the ignition reference input. It should remain close to desired idle under various engine loads with the engine idling.
Fuel Level: This parameter displays the percentage value of the amount of fuel in the fuel tank calculated by the control module.
Engine Speed Signal: The scan tool displays 0-8000 RPM. The engine speed is computed by the IPC from the engine speed serial data message from the ECM.
English Metric Status: The scan tool displays English or Metric system. This is the selected unit that is displayed in the IPC.
Fuel Level Sensor Left Tank: The scan tool displays 0-5 volts. The ECM monitors the signal circuit of the secondary fuel level sensor.
Fuel Level Sensor Right Tank: The scan tool displays 0-5 volts. The ECM monitors the signal circuit of the primary fuel level sensor.
Fuel Tank Level Remaining: The scan tool displays the approximate value of fuel remaining in liters or gallons. The ECM calculates the amount of fuel remaining in the tanks based on the signal circuits of the fuel level sensors.
Fuel Tank Level Remaining: The scan tool displays the approximate value of fuel remaining in liters or gallons. The ECM calculates the amount of fuel remaining in the tanks based on the signal circuits of the fuel level sensors.
Gage Back Lighting Dimming: The scan tool displays 0 to 100%. This is the status of the gage backlighting dimming as controlled from the switch.
Generator L Terminal: The scan tool displays Off/On. The ECM disables the generator under certain conditions to ease starting or engine load conditions.
Ignition 0 Signal: The scan tool displays On/Off. The scan tool displays On when voltage is present at the ignition 0 voltage circuit of the ECM.
Ignition 1 Signal: The scan tool displays 9-16 Volts. This is the voltage present at the Ignition 1 voltage circuit of the ECM.
Ignition 1 Input: The scan tool displays Inactive or Active. The scan tool displays Active when voltage is present at Ignition 1 input of the IPC.
Ignition Cycle Counter: The scan tool displays Counts. The scan tool displays the number of times the ignition has been cycled as provided by the IPC.
Indicator Dimming: The scan tool displays 0-100%. The scan tool displays the current state of the indicator dimming as provided by the IPC.
Information Down Switch: The scan tool displays Inactive or Active. This is the state of the Information Down Switch of the driver information center (DIC) as provided by the IPC.
Information Reset Switch: The scan tool displays Inactive or Active. This is the state of the Information Reset Switch of the DIC as provided by the IPC.
Information Up Switch: The scan tool displays Inactive or Active. This is the state of the Information Up Switch of the DIC as provided by the IPC
LCD Dimming: The scan tool displays 0-100%. The scan tool displays the current state of the LCD dimming as provided by the IPC.
Malfunction Indicator Lamp (MIL) Circuit Status: The scan tool displays Fault. This is the status of the MIL circuit as monitored by the ECM.
MIL Command: The scan tool displays Off or On. The is the commanded state of the MIL by the ECM. The MIL should be on in the IPC when the scan tool displays the MIL Command is On.
Pointer Dimming: The scan tool displays 0-100%. The scan tool displays the current state of the pointer dimming as provided by the IPC.
PRNDL State: The scan tool displays Invalid, First Gear, Second Gear, Third Gear, Fourth Gear, Fifth Gear, Reverse, Neutral, Park, Drive, Not Available. The IPC displays the current transmission range as provided by the ECM. The IPC receives a serial data message indicating the vehicle transmission range from the TCM.
Trip Odometer A/B Switch: The scan tool displays Inactive or Active. This is the status of the Trip Odometer A/B Switch as provided by the IPC. The trip odometer switch states can be toggled between trips A and B.
Trip Reset Switch: The scan tool displays Inactive or Active. This is the state of the odometer trip reset switch as provided by the IPC.
Vehicle Speed: The scan tool displays km/h (mph). The vehicle speed is computed by the IPC from the vehicle speed serial data message from the ECM.
Vehicle Speed Sensor: The scan tool displays 0-255 km/h (0-155 mph). This is the vehicle speed as calculated by the ECM.
Change Engine Oil Indicator Command: This parameter displays the commanded status indicating the engine oil change. The scan tool will display ON or OFF. ON indicates the engine oil must be changed as commanded by the control module; OFF indicates there is no need to change engine oil.
Engine Oil Level Switch: This parameter displays the status of the engine oil level switch as determined by the control module. The control module uses this information to turn on the low engine oil lamp if the engine oil level remains approximately 1 quart low for a sufficient amount of time. The scan tool will display Low when the engine oil level is low. The scan tool will display Ok when the engine oil level is correct.
Ignition 0 Signal: This parameter displays the state of the ignition accessory input to the control module from the ignition switch. The scan tool will display On when the ignition switch is in the ignition accessory position. The scan tool will display Off when the ignition switch is in any other position.
Low Engine Oil Indicator Command: This parameter displays the status of the engine oil level. When the scan tool indicator command is On, the control module detects the low engine oil level.
Low Engine Oil Indicator Command: This parameter displays the status of the engine oil pressure. When the scan tool indictor command is On, the control module detects the low engine oil pressure.
Vehicle Speed Circuit Status: This parameter displays the diagnostic state of the output driver for the vehicle speed circuits. The scan tool will display OK, Incomplete, Open, Short to B+, or Short Gnd. OK indicates no circuit faults are detected during the current test. Incomplete indicates the circuit test is not completed. Other displays indicate that a short or open circuit/component exists, electronically disconnecting the circuit/component from the control module.
