| Table 1: | HVAC Control Module Scan Tool Data List |
| Table 2: | PCM Scan Tool Data List 3.5L (LX9) / ECM 3.9L (LZ9) |
Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
Operating Conditions: Engine Idling, A/C ON, Ambient Air Temperature Between 22-27°C (70-80°F) | |||
A/C Request | HVAC | Yes/No | Varies |
Recirculation Dr. Position | HVAC | Counts | Varies |
Recirculation Dr. Motor Command | HVAC | Counts | Varies |
Mode Dr. Position | HVAC | Counts | Varies |
Mode Dr. Motor Command | HVAC | Counts | Varies |
Defrost Dr. Position | HVAC | Counts | Varies |
Defrost Dr. Motor Command | HVAC | Counts | Varies |
Driver Temp. Dr. Position | HVAC | Counts | Varies |
Driver Temp. Dr. Motor Command | HVAC | Counts | Varies |
Psgr. Temp. Dr. Position | HVAC | Counts | Varies |
Psgr. Temp. Dr. Motor Command | HVAC | Counts | Varies |
Aux. Mode Dr. Position | HVAC | Counts | Varies |
Aux. Mode Dr. Motor Command | HVAC | Counts | Varies |
Aux. Temp. Dr. Position | HVAC | Counts | Varies |
Aux. Temp. Dr. Motor Command | HVAC | Counts | Varies |
Evaporator Temp. Sensor | HVAC | °C/°F | Varies |
Evaporator Temp. Sensor | HVAC | Counts | Varies |
Mode Status | HVAC | Recirc/Vent/ Mix-Blend/ Floor/ Bi-Level/ Defrost | Varies |
A/C LED | HVAC | On/Off | Varies |
Rear Defrost LED | HVAC | On/Off | Varies |
Driver Heated Seat Status | HVAC | Off/Low Heat/High Heat | Varies |
Passenger Heated Seat Status | HVAC | Off/Low Heat/High Heat | Varies |
Blower Motor Switch Position | HVAC | Off/On but not High Blower/On and High Blower | Varies |
Aux. Blower Motor Speed Command | HVAC | Counts | Varies |
Aux. Blower Motor Switch Position | HVAC | Aux/Off/1/2/3/4 | Varies |
Aux. Blower Motor Speed | HVAC | Counts | Varies |
Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
Operating Conditions: Engine Idling, A/C ON, Ambient Air Temperature Between 22-27°C (70-80°F) | |||
A/C Disengage Reason | HVAC | None/WOT/System Voltage/CKP Learn Active/Engine Run Time/Coolant Hot/Stall Prevention/ A/C Pressure/Engine Speed/Trans Engine Speed/ A/C Pressure Sensor/Low Voltage/High Voltage/Outside Air Temp/Switched OFF | Varies |
A/C Off for WOT | HVAC | Yes/No | Varies |
A/C Pressure Disable | HVAC | Yes/No | Varies |
A/C High Side Pressure | HVAC | kPa/Psi | Varies |
A/C High Side Pressure | HVAC | Volts | Varies |
A/C Relay Command | HVAC | On/Off | Varies |
A/C Relay Circuit History | HVAC | OK/Open/Short/Invalid State | Varies |
A/C Request Signal | HVAC | Yes/No | Varies |
