Chevrolet Equinox Service Manual: Heating, Ventilation and Air Conditioning Control Module Scan Tool Information

Chevrolet Equinox Service Manual / HVAC / HVAC Controls / Heating, Ventilation and Air Conditioning Control Module Scan Tool Information

Table 1:	Heating Ventilation and Air Conditioning Control Module Scan Tool Data Parameters
Table 2:	Heating Ventilation and Air Conditioning Control Module Scan Tool Output Controls

Heating Ventilation and Air Conditioning Control Module Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Ignition ON
A/C Compressor Clutch Inhibit Reason	—	Varies	The scan tool displays the reason why the activation of the A/C compressor is inhibit.
A/C Compressor Clutch Status	A/C Off	Disengaged	The scan tool displays Engaged or Disengaged depending on the state of the A/C compressorclutch.
A/C Compressor Clutch Status	A/C On	Engaged
A/C High Side Pressure Sensor	—	Varies	The scan tool displays kPa. This is the current pressure of the A/C refrigerant.
A/C Indicator	A/C Off	Off	The scan tool displays On or Off depending on the state of the A/C mode.
A/C Indicator	A/C On	On
A/C Request Signal	A/C Off	Inactive	The scan tool displays Active or Inactive depending on the state of the A/C mode.
A/C Request Signal	A/C On	Active
A/C Switch	A/C Switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the A/C switch.
A/C Switch	A/C Switch pressed	Active
Air Inlet Door Motor Calibration Status	—	Varies	The scan tool displays Not Running, In Progress, Complete or Failed depending thecalibration status.
Air Recirculation Door Motor Command	—	Varies	The scan tool displays Counts. This is the desired position of the air recirculationactuator.
Air Recirculation Door Position	—	Varies	The scan tool displays Counts. This is the current position of the air recirculationactuator.
Air Recirculation LED	Air recirculation mode is deactivated	Off	The scan tool displays On or Off depending on the state of the Recirculation mode.
Air Recirculation LED	Air recirculation mode is activated	On
Air Recirculation Mode Switch	Air recirculation switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the air recirculationmode switch.
Air Recirculation Mode Switch	Air recirculation switch pressed	Active
Ambient Air Temperature (Filtered)	—	−40 to +80°C (−40 to + 176°F)	The scan tool displays °C (°F). This is the current temperature at the ambient airtemperature sensor.
Auto HVAC Button	Auto HVAC button released	Inactive	The scan tool displays On or Off depending on the state of the Auto HVAC button.
Auto HVAC Button	Auto HVAC button pressed	Active
Auto HVAC Indicator	Auto mode is deactivated	Off	The scan tool displays On or Off depending on the state of the Auto mode.
Auto HVAC Indicator	Auto mode is activated	On
Battery Voltage	—	11–14-V	The scan tool displays V. This is the current battery voltage.
Bi-level Indicator	Bi-level mode is deactivated	Off	The scan tool displays On or Off depending on the state of the Bi-level mode.
Bi-level Indicator	Bi-level mode is activated	On
Bi-level switch	Bi-level switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the Bi-level switch.
Bi-level switch	Bi-level switch pressed	Active
Blower Motor Speed	—	0–100%	The scan tool displays % depending on the state of the selected blower motor speed.The value increases stepwise from 0–100% depending the selected speed.
Blower Motor Speed Indicator 1–6	—	Varies	The scan tool displays On or Off depending on the state on the state of the selectedblower motor speed.
Blower Motor Speed Command	—	0–100%	The scan tool displays % depending on the state of the selected blower motor speed.The value increases stepwise from 0–100% depending the selected speed.
Blower Motor Switch	—	Varies	The scan tool displays OFF, 1–8 depending on the state of the selected blower motorspeed.
Desired Left Duct Temperature	—	Varies	The scan tool displays °C (°F). This is the desired temperature at the left duct temperaturesensor.
Desired Left Temperature	—	Varies	The scan tool displays °C (°F). This is the selected temperature at the left temperatureswitch.
Desired Left Temperature Motor Door Position	—	Varies	The scan tool displays Counts. This is the desired position of the left temperatureactuator.
Engine Coolant Temperature	—	−40 to +215°C (−40 to +419°F)	The scan tool displays °C (°F). This is the current engine coolant temperature.
Floor Mode Indicator	Floor mode is deactivated	Off	The scan tool displays On or Off depending on the state of the floor mode.
Floor Mode Indicator	Floor mode is activated	On
Floor Mode Switch	Floor mode switch released	Off	The scan tool displays On or Off depending on the state of the floor mode switch.
Floor Mode Switch	Floor mode switch pressed	On
Front Defog Indicator	Front defog mode is deactivated	Off	The scan tool displays On or Off depending on the state of the front defog mode.
Front Defog Indicator	Front defog mode is activated	On
Front Defog Switch	Front defrost switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the front defogswitch.
Front Defog Switch	Front defrost switch pressed	Active
Front Defrost Indicator	Front defrost mode is deactivated	Off	The scan tool displays On or Off depending on the state of the front defrost mode.
Front Defrost Indicator	Front defrost mode is activated	On
Front Defrost Switch	Front defrost switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the front defrostswitch.
Front Defrost Switch	Front defrost switch pressed	Active
Front HVAC System Status	—	Varies	The scan tool displays On or Off depending on the state of the POWER switch.
Instrument Panel Vents Indicator	Instrument panel vents mode is deactivated	Off	The scan tool displays On or Off depending on the state of the instrument panel ventsmode.
Instrument Panel Vents Indicator	Instrument panel vents mode is activated	On
Instrument Panel Vents switch	Instrument panel vents switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the instrumentpanel vents switch.
Instrument Panel Vents switch	Instrument panel vents switch pressed	Active
Left Front Seat Heating Switch	Left front seat heating switch released	Off	The scan tool displays On or Off depending on the state of the left front seat heatingswitch.
Left Front Seat Heating Switch	Left front seat heating switch pressed	On
Left Mode Door Motor Direction	—	Varies	The scan tool displays Stop, Increase or Decrease. During the movement of the door,the scan tool shows Increase or Decrease depending the movement direction. When theposition of the door is reached, the scan tool displays Stop.
Left Temperature Door Motor Calibration Status	—	Varies	The scan tool displays Not Running, In Progress, Complete or Failed depending thecalibration status.
Left Temperature Door Motor Direction	—	—	The scan tool displays Stop, Increase or Decrease. During the movement of the door,the scan tool shows Increase or Decrease depending the movement direction. When theposition of the door is reached, the scan tool displays Stop.
Left Temperature Door Position	—	Varies	The scan tool displays Counts. This is the current position of the left temperatureactuator.
Left Temperature Knob Position	—	Varies	The scan tool displays Counts. The value varies between −5 to +5 depending the selectedtemperature knob position. At the cold end position is the value 18 and at the hotend position −18.
Lower Left Duct Temperature Sensor	—	−40 to +80°C (−40 to +176°F)	The scan tool displays °C (°F). This is the current temperature at the lower leftduct temperature sensor.
Mode Door Motor Calibration Status	—	Varies	The scan tool displays Not Running, In Progress, Complete or Failed depending thecalibration status.
Mode Door Motor Command	—	Varies	The scan tool displays Counts. This is the desired position of the mode actuator.
Mode Door Position	—	Varies	The scan tool displays Counts. This is the current position of the mode actuator.
Mode Switch	—	Varies	The scan tool displays Up, Down or Inactive depending on the state of the MODE switch.
Passenger Compartment Air Temperature (Filtered Data)	—	−40 to +80°C (−40 to +176°F)	The scan tool displays °C (°F). This is the current temperature at the passenger compartmentair temperature sensor.
Passenger Compartment Air Temperature (Unfiltered Data)	—	−40 to +80°C (−40 to +176°F)	The scan tool displays °C (°F). This is the current temperature at the passenger compartmentair temperature sensor.
Rear Defogger Indicator	Rear defogger is deactivated	Off	The scan tool displays On or Off depending on the state of the rear defogger.
Rear Defogger Indicator	Rear defogger is activated	On
Rear Defogger Status	Rear defogger is deactivated	Off	The scan tool displays On or Off depending on the state of the rear defogger.
Rear Defogger Status	Engine running/Rear defogger is activated	On
Rear Defogger Switch	Rear defogger switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the rear defoggerswitch.
Rear Defogger Switch	Rear defogger switch pressed	Active
Recirculation Door Motor Direction	Air recirculation mode is deactivated	Outside Air	The scan toll displays Stop, Outside Air, Increase, Recirculation, Decrease or NotUsed depending on the state of the recirculation door. During the movement of thedoor, the scan tool shows Increase or Decrease depending the movement direction.
Recirculation Door Motor Direction	Air recirculation mode is activated	Recirculation
Right Front Seat Heating Switch	Right front seat heating switch released	Inactive	The scan tool displays Active or Inactive depending on the state of the right frontseat heating switch.
Right Front Seat Heating Switch	Right front seat heating switch pressed	Active
Sunload	—	0–1200-W/m²	The scan tool displays W/m². This is the current sun heat intensity.
Upper Left Duct Temperature Sensor	—	−40 to +80°C (−40 to +176°F)	The scan tool displays °C (°F). This is the current temperature at the upper leftduct temperature sensor.

Heating Ventilation and Air Conditioning Control Module Scan Tool Output Controls

Output Control

Description

A/C Indicator	The HVAC control module illuminates the A/C indicator when commanded from the scantool.
Air Recirculation Door Motor Direction	The HVAC control module commands the air recirculation actuator from venting to recirculationand back again.
Air Recirculation LED Command	The HVAC control module illuminates the Air Recirculation indicator when commandedfrom the scan tool.
Air Recirculation Mode Switch	When On is selected, the HVAC control module commands the air recirculation door fromoutside air to recirculation. When Off is selected, the HVAC control module commandsthe air recirculation door from recirculation to outside air.
Auto HVAC Indicator	The HVAC control module illuminates the Auto indicator when commanded from the scantool.
Blower Motor Speed Indicator 1–6	The HVAC control module illuminates the appropriate blower speed indicator when commandedfrom the scan tool.
Blower Motor Switch	This control function simulates the state of the blower motor switch.
Front Defrost Indicator	The HVAC control module illuminates the front defrost indicator when commanded fromthe scan tool.
HVAC Actuators	The HVAC control module executes the Motor Learn Routine when commanded from the scantool.
HVAC Afterblow Configuration	This control function disables and enables the afterblow configuration.
Left Temperature Door Motor Direction	When Increase is selected, the left temperature door position increases stepwise.When Decrease is selected, the left temperature door position decreases stepwise.
Left Temperature Door Position	This commands the left temperature door position from Cold to Hot.
Mode Door Motor Command	The HVAC control module commands the mode actuator stepwise from defrost to floorand back again.
Mode Door Position	When Floor is selected, the HVAC control module commands the mode actuator to thefloor position. When Defrost is selected, the HVAC control module commands the actuatorto the defrost position.
Mode Switch	This control function simulates the state of the MODE switch.
Rear Defog	The HVAC control module commands the rear defogger On and Off.
Rear Defogger Indicator	The HVAC control module commands the rear defogger indicator On and Off.
Recirculation Door	The HVAC control module commands the recirculation actuator stepwise from outsideair to recirculation and back again.

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