Scan Tool Data List
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Powertrain Control Module (PCM) Scan Tool Data List - 4.2L (LL8)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition Switch in RUN/Engine Running/Automatic Transmission in PARK/Manual Transmission in NEUTRAL/Air Conditioner is OFF | |||
| Desired Fan Speed | ENG 2, ENG 3 | RPM | Varies |
| ECT Sensor | ENG 1, ENG 2, ENG 3, EVAP, Misfire, HO2S | °C/°F | Varies |
| Fan Speed | ENG 2, ENG 3 | RPM | Varies |
| IAT Sensor | ENG 1, ENG 2, ENG 3, EVAP, Misfire, HO2S | °C/°F | Varies |
Instrument Panel Cluster Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition Switch in RUN/Engine Running/Automatic Transmission in PARK/Manual Transmission in NEUTRAL/Air Conditioner is OFF | |||
| Displayed Coolant Temp | Data 1 | °C/°F | Varies |
| Monitored Coolant Temp | Data 1 | °C/°F | Varies |