Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONSDDM - Data Display - Pass. HVAC Switch The scan tool displays 0 to 255 counts. This indicates the passenger climate control selection.
DIM - A/C Information - A/C Clutch (actual) The scan tool displays On or Off. On is displayed when the PCM has energized the A/C clutch relay.
DIM - A/C Information - A/C Clutch (desired) The scan tool displays On or Off. On is displayed when the IPM is requesting A/C system operation and the DIM has determined that none of the system performance limits are exceeded.
DIM- A/C Information -A/C Orifice Relay The scan tool displays Active or Inactive. Active is displayed when the orifice tube relay is energized by the DIM increasing the orifice diameter and lowering A/C high side pressure.
DIM - A/C Information - A/C Pressure The scan tool displays 0 to 4000 kPa (0 to 580 psi). The output of the A/C pressure sensor provided by the PCM over the Class 2 communication link.
DIM - A/C Information - Clutch Voltage The scan tool displays Low or Normal. Low is displayed when the battery voltage is low, such that clutch slippage is possible.
DIM - A/C Information - Control Head (desired) The scan tool displays A/C On or A/C Off. A/C On is displayed when the IPM is requesting A/C system operation.
DIM - A/C Information - Evaporator Temp The scan tool displays -40 to +215°C (-40 to +420°F). The output of the A/C low side thermistor.
DIM - A/C Information - Evaporator Temp Status The scan tool displays OK or Cold. Cold is displayed when evaporator temperature drops below 5°C (41°F).
DIM - A/C Information - Pressure Status The scan tool displays Low, Normal or High. Normal must be displayed to allow A/C operation.
DIM - A/C Information - Temperature Status The scan tool displays Hot or OK. Hot is displayed when engine coolant temperature rises above 121°C (250°F). OK must be displayed to allow A/C operation.
DIM - Inputs - Steering Wheel Controls The scan tool displays counts. A count number is shown for each steering wheel command.
DIM - Output Control- A/C Orifice Relay The scan tool displays On or Off. The scan tool will command the A/C orifice relay On or Off.
IPM - HVAC Door Calibrations - Max Air Inlet Dr Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The maximum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Calibrations - Max Htr./Def./A/C Dr. Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The maximum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Calibrations - Max Left Temp Dr Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The maximum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Calibrations - Max Right Temp Dr Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The maximum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Calibrations - Min Air Inlet Dr Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The minimum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Calibrations - Min Htr./Def./A/C Dr. Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The minimum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Calibrations - Min Left Temp Dr Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The minimum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Calibrations - Min Right Temp Dr Pos The scan tool displays 0 to 255 counts (0 to 5 volts). The minimum travel range when driven to the stop during Recalibrate all Motors command.
IPM - HVAC Door Positions - Air Inlet Dr Actual The scan tool displays 0 to 255 counts (0 to 5 volts). The signal output from the feedback pot on the actuator.
IPM - HVAC Door Positions - Air Inlet Dr Commanded The scan tool displays 0 to 255 counts (0 to 5 volts). The desired position of the actuator.
IPM - HVAC Door Positions - Htr./Def./A/C Dr Actual The scan tool displays 0 to 255 counts (0 to 5 volts). The signal output from the feedback pot on the actuator.
IPM - HVAC Door Positions - Htr./Def./A/C Dr Commanded The scan tool displays 0 to 255 counts (0 to 5 volts). The desired position of the actuator.
IPM - HVAC Door Positions - Left Temp Dr. Actual The scan tool displays 0 to 255 counts (0 to 5 volts). The signal output from the feedback pot on the actuator.
IPM - HVAC Door Positions - Left Temp. Dr. Commanded The scan tool displays 0 to 255 counts (0 to 5 volts). The desired position of the actuator.
IPM - HVAC Door Positions - Right Temp Dr Actual The scan tool displays 0 to 255 counts (0 to 5 volts). The signal output from the feedback pot on the actuator.
IPM - HVAC Door Positions - Right Temp. Dr. Commanded The scan tool displays 0 to 255 counts (0 to 5 volts). The desired position of the actuator.
IPM - HVAC Motors - Air Inlet Door Position The scan tool displays Outside or Recirc. Shows the current position of the air inlet door.
IPM - HVAC Motors - Htr./Def./A/C Door Position The scan tool displays Defrost or A/C. Shows the current position of the htr./def./A/C door.
IPM - HVAC Motors - Left Temp. Door Position The scan tool displays Defrost, Hot or Cold. Shows the current position of the left temperature door.
IPM - HVAC Motors - Right Temp. Door Position The scan tool displays Hort or Cold. Shows the current position of the right temperature door.
IPM - HVAC Sensors - Inside Air Temp The scan tool displays -40 to +60°C (-40 to +140°F). The output of the inside air temperature sensor.
IPM - HVAC Sensors - Left AC Duct Temp The scan tool displays -40 to +150°C (-40 to +300°F). The output of the LH A/C duct temperature sensor.
IPM - HVAC Sensors - Left Duct Temp Desired The scan tool displays -18 to +120°C (0 to +250°F). The target LH A/C duct temperature that the HVAC system is trying to achieve.
IPM - HVAC Sensors - Left Htr. Duct Temp The scan tool displays -40 to +150°C (-40 to +300°F). The output of the LH HTR duct temperature sensor.
IPM - HVAC Sensors - Left Solar The scan tool displays 0 to 50 counts. The solar load output of the LH sunload sensor and ambient light sensor.
IPM - HVAC Sensors - Outside Air Temp The scan tool displays -40 to +60°C (-40 to +140°F). The output of the ambient air temperature sensor.
IPM - HVAC Sensors - Right AC Duct Temp The scan tool displays -40 to +150°C (-40 to +300°F). The output of the RH A/C duct temperature sensor.
IPM - HVAC Sensors - Right Duct Temp Desired The scan tool displays -18 to +120°C (0 to +250F). The target RH A/C duct temperature that the HVAC system is trying to achieve.
IPM - HVAC Sensors - Right Htr. Duct Temp The scan tool displays -40 to +150°C (-40 to +300°F). The output of the RH HTR duct temperature sensor.
IPM - HVAC Sensor - Right Solar The scan tool displays 0 to 50 counts. The solar load output of the RH sunload sensor and ambient light sensor.
IPM - HVAC System Data - A/C Requested The scan tool displays Yes or No. The message sent out on class 2 to the DIM when A/C is requested.
IPM - HVAC System Data - Commanded Blower The scan tool displays 0 to 100%.
IPM - HVAC System Data - Coolant Temperature The scan tool displays -40 to +120°C (-40 to +250°F). The information is received from the PCM on the class 2 communication link.
IPM - HVAC System Data - Left Program Number The scan tool displays 0-255 counts. This value will vary, depending on the air delivery mode and the air discharge temperature selected by the driver.
IPM - HVAC System Data - Load Reduction Active The scan tool displays Yes or No. The scan tool shows weather the HVAC system is disabled.
IPM - HVAC System Data - Right Program Number The scan tool displays 0-255 counts. This value will vary, depending on the air delivery mode and the air discharge temperature selected by the passenger.
IPM - HVAC System Data - Selected Air Mode The scan tool displays AUTO, Upper, Defog, Bi-Level, Heater or Defrost. The current operating mode of the HVAC system.
IPM - HVAC System Data - Vehicle Speed The scan tool displays current vehicle speed.
IPM - Miscellaneous Tests - Blower Motor The scan tool displays On or Off. The status shown is the current state of the blower motor test as commanded by the scan tool.
IPM - Miscellaneous Tests - Display(s) Test The scan tool displays On or Off. The status shown is the current state of the displays as commanded by the scan tool.
IPM - Miscellaneous Tests - Instant OAT Update The scan tool displays On. This test updates the OAT on the HVAC control module as commanded by the scan tool.
IPM - Miscellaneous Tests - Recalibrate all Motors The scan tool displays On. This test recalibrates all the actuators as commanded by the scan tool.
IPM - Miscellaneous Tests - ReLearn Control Panel Type The scan tool displays the various HVAC options for the vehicle. This test updates the HVAC system according to the various options for a given platform as commanded by the scan tool.
IPM - Open/Short Data - Inside Air Temp The scan tool displays 0 to 255 counts (0 to 5 volts). The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Open/Short Data - Left AC Duct Temp The scan tool displays 0 to 255 counts (0 to 5 volts). The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Open/Short Data - Left Htr. Duct Temp The scan tool displays 0 to 255 counts (0 to 5 volts). The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Open/Short Data - Left Solar Sensor The scan tool displays 0 to 50 counts. The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Open/Short Data - Outside Air Temp The scan tool displays 0 to 255 counts (0 to 5 volts). The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Open/Short Data - Right AC Duct Temp The scan tool displays 0 to 255 counts (0 to 5 volts). The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Open/Short Data - Right Htr. Duct Temp The scan tool displays 0 to 255 counts (0 to 5 volts). The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Open/Short Data - Right Solar Sensor The scan tool displays 0 to 50 counts. The status of the sensor signal circuit is monitored. 0 counts indicates a short to ground, 255 counts indicates an open circuit.
IPM - Set Options - Afterblow The scan tool displays Enable or Disable. The status shown is the current selection of the afterblow feature.
IPM - Set Options - Temperature Offset The scan tool sets the temperature offset of the right air temperature switch assembly. Temperatures can be set -5/+5 degrees from the HVAC control module.
PCM - Engine Data 1 w/LX5 (V6) - ECT Sensor The scan tool displays -40 to +215°C (-40 to +420°F). The output of the engine coolant temperature sensor.
PCM - Engine Data 2 w/LX5 (V6) - A/C High Side Pressure The scan tool displays 0 to 4000 kPa (0 to 580 psi). The output of the A/C pressure sensor.
PCM - Engine Data 2 w/LX5 (V6) - A/C High Side Pressure The scan tool displays 0 to 5 volts. The output of the A/C pressure sensor.
PCM - Engine Data 2 w/LX5 (V6) - A/C Off for WOT The scan tool displays Yes or No. Yes is displayed when the PCM denergizes the A/C CLU relay to reduce engine load during application wide open throttle.
PCM - Engine Data 2 w/LX5 (V6) - A/C Pressure Disable The scan tool displays Yes or No. Yes is displayed when the system pressure exceeds 2968 kPa (430 psi).
PCM - Engine Data 2 w/LX5 (V6) - A/C Relay Command The scan tool displays On or Off. On is displayed when the PCM has energized the A/C clutch relay.
PCM - Engine Data 2 w/LX5 (V6) - A/C Request Signal The scan tool displays Yes or No. Yes is displayed when the DIM is requesting A/C system operation.
PCM - Engine Output Controls w/LX5 (V6) - A/C Relay The scan tool displays ON or OFF. OFF is displayed when an open or short is detected in the A/C CLU relay ground circuit.
PCM - Engine Data 1 w/L47 (V8)- ECT The scan tool displays -40 to +215°C (-40 to +420°F). The output of the engine coolant temperature sensor.
PCM - Engine Data List 1 w/LX5 (V6) - A/C Relay Command The scan tool displays On or Off. On is displayed when the PCM has energized the A/C clutch relay.
PCM - Engine Data 2 w/L47 (V8)- ECT The scan tool displays -40 to +215°C (-40 to +420°F). The output of the engine coolant temperature sensor.
PCM - Engine Data 2 w/L47 (V8) - A/C Relay Command The scan tool displays On or Off. On is displayed when the PCM has energized the A/C clutch relay.
PCM - Engine Data 3 w/L47 (V8)- ECT The scan tool displays -40 to +215°C (-40 to +420°F). The output of the engine coolant temperature sensor.
PCM - Engine Data 1 w/L47 (V8)- A/C Relay Command The scan tool displays ON or OFF. ON is displayed when the PCM has energized the A/C clutch relay.
PCM - Engine Data 2 w/L47 (V8)- A/C High Side Pressure The scan tool displays 0 to 4000 kPa (430 psi). The output of the A/C pressure sensor.
PCM - Engine Data 3 w/L47 (V8)- A/C Relay Command The scan tool displays ON or OFF. ON is displayed when the PCM has energized the A/C clutch relay.
PCM - Engine Output Controls w/L47 (V8)- A/C Relay The scan tool displays ON or OFF. OFF is displayed when an open or short is detected in the A/C CLU relay ground circuit.