Scan Tool Data List
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
BCM Scan Tool Data List
| 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 Switch | Inputs | On/Off | varies |
HVAC Control Module Scan Tool Data List
| 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) | |||
| AC Request | Outputs | Yes/No | varies |
| Ambient Air Temp | Data | °C/°F | varies |
| Auto Mode | Outputs | On/Off | varies |
| Auto Button | Inputs | On/Off | varies |
| Blower Speed | Outputs | 0 Thru 8 Bars | varies |
| Evaporator Temp | Data | °C/°F | varies |
| Fan Down Button | Inputs | On/Off | varies |
| Fan Up Button | Inputs | On/Off | varies |
| Front Defrost Button | Inputs | On/Off | varies |
| Inside Air Temperature | Data | °C/°F | varies |
| Left Temp Door Position | Outputs | Counts | varies |
| Mode Button | Inputs | On/Off | varies |
| Mode Door Position | Outputs | Vent/ Mix-Blend/ Floor/ Bi-Level/ Defrost | varies |
| Off Button | Inputs | On/Off | varies |
| Rear Defrost Button | Inputs | On/Off | varies |
| Recirculate Button | Inputs | On/Off | varies |
| Recirculation Mode | Outputs | Ambient Air/Recirculate | varies |
| Right Temp Door Position | Outputs | Counts | varies |
| Selected Air Mode | Outputs | Warm Up/Defrost/Off | varies |
| Sun Load Sensor | Data | Counts | varies |
| Vent Button | Inputs | On/Off | varies |
PCM Scan Tool Data List 3.4L (LA1)
| 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 Off for WOT | Engine Data 2 | Yes/No | varies |
| A/C Pressure Disable | Engine Data 2 | Yes/No | varies |
| A/C High Side Pressure | Engine Data 2 | kPa/Psi | varies |
| A/C High Side Pressure | Engine Data 2 | Volts | varies |
| A/C Relay Command | Engine Data 2/ EGR Data/ Misfire Data | On/Off | varies |
| A/C Request Signal | Engine Data 2 | Yes/No | varies |
ECM Scan Tool Data List 3.6L (LY7)
| 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 Off for WOT | Cooling/HVAC Data | Yes/No | varies |
| A/C Pressure Disable | Cooling/HVAC Data | Yes/No | varies |
| A/C High Side Pressure | Cooling/HVAC Data | Volts | varies |
| A/C Relay Command | Cooling/HVAC Data | On/Off | varies |
| A/C Request Signal | Cooling/HVAC Data | Yes/No | varies |