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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1437 (HVAC Systems - Automatic) >> Diagnostic Information and Procedures >> Scan Tool Data Definitions
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Scan Tool Data Definitions

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HVAC - Primary ECC Data - Outside Air Temp

The scan tool displays -40 to +60°C (-40 to +140°F). The output of the ambient air temperature sensor.

HVAC - Primary ECC Data - Inside Air Temp

The scan tool displays -40 to +60°C (-40 to +140°F). The output of the inside air temperature sensor.

HVAC - Primary ECC Data - Upper Outlets Duct Temp

The scan tool displays -40 to +150°C (-40 to +300°F). The output of the upper outlets duct temperature sensor.

HVAC - Primary ECC Data -Lower Outlets Duct Temp

The scan tool displays -40 to +150°C (-40 to +300°F). The output of the lower outlets duct temperature sensor.

HVAC - Auxiliary ECC Data - Aux. Inside Air Temp

The scan tool displays -40 to +150°C (-40 to +300°F). The output of the Aux. inside air temperature sensor.

HVAC - Auxiliary ECC Data -Aux. Upper Outlet Temp

The scan tool displays -40 to +150°C (-40 to +300°F). The output of the Aux. Upper Outlet temperature sensor.

HVAC - Auxiliary ECC Data -Aux. Lower Outlet Temp

The scan tool displays -40 to +150°C (-40 to +300°F). The output of the Aux. Lower Outlet temperature sensor.

HVAC - Primary ECC Data - Solar Sensor

The scan tool displays 0-250 counts. The solar load output of the sunload sensor.

HVAC - Primary ECC Data - Blower Motor PWM Speed

The scan tool displays 0-98%.

HVAC -Auxiliary ECC Data -Auxiliary Blower Motor PWM

The scan tool displays 0-98%.

HVAC - Primary ECC Data - Mode Selection Position

The scan tool displays AUTO, Upper, Defog, Bi-Level, Heater or Defrost. The current operating mode of the HVAC system.

HVAC - Primary ECC Data - A/C Request

The scan tool displays Yes or No.

HVAC - Primary ECC Data - A/C LED On

The scan tool displays on or off.

HVAC - Primary ECC Data -Recirc LED

The scan tool displays on or off.

HVAC - Primary ECC Data -Outside Air LED

The scan tool displays on or off.

HVAC - Primary ECC Data -Rear Defog

The scan tool displays on or off.

HVAC -Primary ECC Data -Mode Door Actual

The scan tool displays 0-255 counts. The signal output from the feedback pot on the actuator.

HVAC -Primary ECC Data - Mode Door Commanded

The scan tool displays 0-255 counts. The desired position of the actuator.

HVAC -Primary ECC Data - Mode Door Max. Position

The scan tool displays 0-255 counts. The maximum travel range when driven to the door stop during a recalibration.

HVAC -Primary ECC Data - Mode Door Min. Position

The scan tool displays 0-255 counts. The minimum travel range when driven to the door stop during a recalibration.

HVAC -Auxiliary ECC Data -Aux. Mode Door Actual

The scan tool displays 0-255 counts. The signal output from the feedback pot on the actuator.

HVAC -Auxiliary ECC Data -Aux. Mode Door Commanded

The scan tool displays 0-255 counts. The desired position of the actuator.

HVAC -Auxiliary ECC Data -Aux. Mode Door Max. Position

The scan tool displays 0-255 counts. The maximum travel range when driven to the door stop during a recalibration.

HVAC -Auxiliary ECC Data -Aux. Mode Door Min. Position

The scan tool displays 0-255 counts. The minimum travel range when driven to the door stop during a recalibration.

HVAC - Primary ECC Data- Air Inlet Door Actual

The scan tool displays 0-255 counts. The signal output from the feedback pot on the actuator.

HVAC -Primary ECC Data - Air Inlet Door Commanded

The scan tool displays 0-255 counts. The desired position of the actuator.

HVAC -Primary ECC Data - Air Inlet Door Max.

The scan tool displays 0-255 counts. The maximum travel range when driven to the door stop during a recalibration.

HVAC -Primary ECC Data - Air Inlet Door Min.

The scan tool displays 0-255 counts. The minimum travel range when driven to the door stop during a recalibration.

HVAC - Primary ECC Data -Air Mix Door Actual

The scan tool displays 0-255 counts. The signal output from the feedback pot on the actuator.

HVAC - Primary ECC Data -Air Mix Door Commanded

The scan tool displays 0-255 counts. The desired position of the actuator.

HVAC - Primary ECC Data -Air Mix Door Max. Position

The scan tool displays 0-255 counts. The maximum travel range when driven to the door stop during a recalibration.

HVAC - Primary ECC Data -Air Mix Door Min. Position

The scan tool displays 0-255 counts. The minimum travel range when driven to the door stop during a recalibration.

HVAC -Auxiliary ECC Data -Aux. Mix Door Actual

The scan tool displays 0-255 counts. The signal output from the feedback pot on the actuator.

HVAC -Auxiliary ECC Data -Aux. Mix Door Commanded

The scan tool displays 0-255 counts. The desired position of the actuator.

HVAC -Auxiliary ECC Data -Aux. Mix Door Max. Position

The scan tool displays 0-255 counts. The maximum travel range when driven to the door stop during a recalibration.

HVAC -Auxiliary ECC Data -Aux. Mix Door Min. Position

The scan tool displays 0-255 counts. The minimum travel range when driven to the door stop during a recalibration.

HVAC - Miscellaneous Tests - Instant OAT Update

The scan tool displays Commanded State: None or On. Updates the ECC outside air temperature input to the current raw value.

HVAC - Miscellaneous Tests - Blower Motor

The scan tool displays Commanded State: None, Off or On. This function allows you to command the blower motor to its maximum (100%) or minimum (0%) speeds.

HVAC -Special Functions-Set Up New HVAC

This function has the ECC relearn a new heater and A/C control.

PCM - A/C Information - A/C Clutch Feedback Signal

The scan tool displays On or Off. On is displayed when the PCM has energized the A/C clutch relay.

PCM - Engine Data 1 - 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 - 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 - Commanded A/C

The scan tool displays On or Off. On is displayed when the PCM has energized the A/C clutch relay.

PCM - Engine Data 2 - A/C Compressor Cycling Switch

The scan tool displays Normal and Low Pressure. The output of the A/C pressure sensor.

PCM - Engine Data 2 - A/C Request Signal

The scan tool displays Yes or No. Yes is displayed when the HVAC control module is requesting the PCM to turn on the compressor clutch.

PCM - Engine Data 2 - A/C High Pressure Recirculation Switch

The scan tool displays OK or Low Pressure. Displays the output of the High Pressure Recirculation Switch.