For 1990-2009 cars

#### Powertrain Control Module (PCM)

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition On/Engine Idling at Normal Operating Temperature/Transmission in Park or Neutral/Cruise Control On/Off switch Off.
Cruise Control Active | Cruise Control Data | Yes/No | No
Cruise Disengage 1-6 History | Cruise Control Data | The last reason for cruise control disengagement | Varies
Cruise Mode Signal | Cruise Control Data | Volts | 0.0 Volts
Cruise On/Off Switch | Cruise Control Data | On/Off | Off
Cruise Resume/Accel. Switch | Cruise Control Data | On/Off | Off
Cruise Set/Coast Switch | Cruise Control Data | On/Off | Off
Engine Speed | Cruise Control Data | RPM | Varies
Ignition 1 Signal | Cruise Control Data | Volts | Varies
Reduced Engine Power | TAC Data | Active/Inactive | Inactive
Stoplamp Pedal Switch | Cruise Control Data | Applied/Released | Released
Stoplamp Pedal Switch Signal | Cruise Control Data | Volts | 0.0 Volts
TAC/PCM Communication Signal | TAC Data | Ok/Fault | Ok
TAC Stoplamp Pedal Switch | Cruise Control Data | Applied/Released | Released
TAC Vehicle Speed Signal | TAC Data | Ok/Fault | Ok
Traction Control Status (if equipped) | Cruise Control Data | Active/Inactive | Inactive
Vehicle Speed Circuit History | Output Driver Data | Ok/Open/Short/Invalid State | Ok
Vehicle Speed Circuit Status | Output Driver Data | Ok/Fault/Invalid State | Ok
Vehicle Speed Sensor | Cruise Control Data | km/h (mph) | 0 km/h (0 mph)