For 1990-2009 cars

Table 1: | REC Scan Tool Data Parameters
Table 2: | REC Scan Tool Output Controls

#### REC Scan Tool Data Parameters

Parameter | System State | Expected Value | Description
--- | --- | --- | ---
Operating Conditions: Ignition ON
Brake Switch | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the brake switch.
CDLS-Motor Lock (Central Door Locking System) | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the CDLS motor lock.
CDLS-Motor Unlock (Central Door Locking System) | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the CDLS motor unlock.
CDLS-Status (Central Door Locking System) | -- | Unlocked | The scan tool displays Unlocked, Locked or Deadlocked. This is the current state of the CDLS.
Center Brake Light Status | -- | Off | The scan tool displays On or Off. This is the current state of the center high mount brake light.
Comfort Closing Status | -- | Inactive | The scan tool displays Closing, Opening or Inactive.
Comfort Mode | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of comfort mode.
Driver Door | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Driver Door Status | -- | Varies | The scan tool displays Door Open or Door Closed. This is the current state of the driver door.
Engine Hood | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Engine Hood Status | -- | Eng. Hood Closed | The scan tool displays Eng. Hood Closed or Eng. Hood Open. This is the current state of the hood.
Fuel Level Sensor | -- | Varies | The scan tool displays Steps.
Fuel Level Sensor Validity | -- | Valid | The scan tool displays Valid or Invalid. This is the current state of the fuel level sensor validity.
Heated Rear Window Relay | -- | Varies | The scan tool displays Active or Inactive. This is the current state of the heated rear window relay.
Ignition Hardwired | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Inadvertent Load | -- | Varies | The scan tool displays Active or Inactive. This is the current state of the inadvertent load.
Inclination Sensor | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Inclination Sensor | -- | Valid | The scan tool displays Invalid or Valid. This is the current state of the inclination sensor.
Inclination Sensor Status | -- | Varies | The scan tool displays Armed or Disarmed. This is the state of the inclination sensor.
Interior Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the interior lamps.
LED CDL Status (Light Emitting Diode Central Door Lock) | -- | Off | The scan tool displays On or Off. This is the current state of the LED CDL.
License Plate Light Status | -- | Off | The scan tool displays On or Off. This is the current state of the license plate light.
Longitudinal Inclination Sensor | -- | Varies | This displays °. This is the current longitudinal inclination angle.
OnStar Door Unlock | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the OnStar door unlock.
OnStar Horn And Flasher Control | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the OnStar horn and flasher control.
Pane Breakage Heated Rear Window | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Pane Breakage Heated Rear Window Status | -- | Okay | The scan tool displays Okay or Not Okay. This is the state of the heated rear window pane breakage.
Parking Brake Status | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the parking brake.
Passenger Door | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Passenger Door Status | -- | Door Closed | The scan tool displays Door Open Or Door Closed. This is the current state of the passenger door.
Rear Left Door | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Rear Left Door Status | -- | Door Closed | The scan tool displays Door Open or Door Closed. This is the current state of the driver rear door.
Rear Left Inner Combination Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the driver rear inner combination lamp.
Rear Left Outer Combination Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the driver rear outer combination lamp.
Rear Left Spare Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the driver rear spare lamp.
Rear Right Door | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Rear Right Door Status | -- | Door Closed | The scan tool displays Door Open or Door Closed. This is the current state of the passenger rear door.
Rear Right Inner Combination Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the passenger rear inner combination lamp.
Rear Right Outer Combination Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the passenger rear outer combination lamp.
Rear Right Spare Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the passenger rear spare lamp.
Rear Sidemarkers | -- | Off | The scan tool displays On or Off. This is the current state of the rear sidemarkers.
Rear Wiper Status | -- | Off | The scan tool displays On or Off. This is the current state of the rear wipers.
REC Ignition Status (Rear Electrical Center) | -- | Active | The scan tool displays Active or Inactive. This is the rear electrical center ignition status.
REC Immobilizer Environment Identifier (Rear Electrical Center) | -- | Programmed | The scan tool displays Programmed or Not Programmed. This is the current state of the REC immobilizer invironment program.
REC Immobilizer Identifier (Rear Electrical Center) | -- | Programmed | The scan tool displays Programmed or Not Programmed. This is the current state of the REC immobilizer identifier program.
REC System Voltage (Rear Electrical Center) | -- | Varies | This displays V. This is the system voltage of the rear electrical center (REC).
Reverse Light Status | -- | All OFF | The scan tool displays All OFF, Right ON, Left ON or All ON. This is the current state of the reverse light.
Ter. 15A - Switched Battery Voltage (Terminal 15A) | -- | Active 12V | The scan tool displays Active 12V or Inactive 0V. This is the current state of terminal 15A switched battery voltage.
Transversal Inclination Sensor | -- | Varies | This displays °. This is the current transversal inclination angle.
Trunk | -- | Monitored | The scan tool displays Monitored or Not Monitored.
Trunk Lamp | -- | Off | The scan tool displays On or Off. This is the current state of the trunk lamp.
Trunk Release | -- | Inactive | The scan tool displays Active or Inactive. This is the state of the trunk release.
Trunk Release Switch | -- | Inactive | The scan tool displays Active or Inactive. This is the state of the trunk release switch.
Trunk Status | -- | Trunk Closed | The scan tool displays Trunk Open or Trunk Closed. This is the current state of the trunk.

#### REC Scan Tool Output Controls

Output Control | Description
--- | ---
Centre Brake Light Test | This output control is used to command the high mount brake lamp.
Comfort Closing Test | This output control is used to command the comfort closing.
Comfort Enable Test | This output control is used to command the comfort enable.
Display Immobilizer Status | This output control is used to display the immobilizer status.
Inadvertent Load Relay Test | This output control is used to command the inadvertent load relay.
Interior Lamp Test | This output control is used to command the interior lamps.
License Plate Light Test | This output control is used to command the license plate lamp.
Program ECU | This output control is used to program the electronic control unit (ECU) or control module.
Program Low Speed CAN-Bus Config. | This output control is used to program the low speed control area network (CAN) serial data bus configuration.
Program Variant Configuration | This output control is used to program the high speed control area network (CAN) serial data bus configuration.
Program Vehicle Identification No. | This output control is used to program the vehicle identification number (VIN) into the control module.
Read ECU Identification | This output control is used to read the electronic control unit (ECU) or control module identification.
Rear Inner Combination Lamps Test | This output control is used to command the rear inner combination lamps.
Rear Outer Combination Lamps Test | This output control is used to command the rear outer combination lamps.
Rear Sidemarkers Test | This output control is used to command the rear sidemarkers.
Rear Spare Lamps Test | This output control is used to command the rear spare lamps.
Rear Wiper Test | This output control is used to command the rear wiper.
REC Heated Rear Window Test | This output control is used to command the heated rear window.
REC Terminal 15A Relay Test | This output control is used to command the rear electrical center (REC) terminal 15A relay.
Reset ECU | This output control is used to reset the electronic control unit (ECU) or control module.
Reverse Light Test | This output control is used to command the reverse lamps.
Trunk Lamp Test | This output control is used to command the trunk lamp.
Trunk Release Test | This output control is used to command the trunk release.
Unlock/Lock Test | This output control is used to command the door locks.