For 1990-2009 cars

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

#### UEC Scan Tool Data Parameters

Parameter | System State | Expected Value | Description
--- | --- | --- | ---
Operating Conditions: Ignition ON
Auto Headlamp Drive | -- | Off | The scan tool displays On or Off. This is the state of the auto headlamp drive.
Brake Fluid Level Switch | -- | Normal | The scan tool displays Not Programmed, Low or Normal. This is the state of the brake fluid level switch.
Coolant Level Switch | -- | Normal | The scan tool displays Not Programmed, Low or Normal. This is the current state of the coolant level switch.
Engine Running Signal | -- | No | The scan tool displays Yes or No. Yes is displayed if the engine is running.
Front Fog Light Status | -- | Off | The scan tool displays On or Off. This is the current state of the front fog lamps.
Front Parking Lamp Status | -- | All OFF | The scan tool displays All OFF, All ON, Left ON or Right ON. This is the current status of the front parking lamps.
Front Turn Indicator Status | -- | All OFF | The scan tool displays All OFF, All ON, Left ON or Right ON. This is the current status of the front turn lamps.
Front Windscreen Washer Status | -- | Off | The scan tool displays On or Off. This is the current status of the front windshield washers.
Front Wiper Park Switch | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the front wiper switch.
High Beam Status | -- | All OFF | The scan tool displays All OFF, All ON, Left ON or Right ON. This is the current status of the high beams.
Horn Relay Status | -- | Off | The scan tool displays On or Off. This is the state of the horn relay.
Low Beam Status | -- | All OFF | The scan tool displays All OFF, All ON, Left ON or Right ON. This is the current status of the low beams.
Outside Temperature | -- | Varies | This displays °C (°F). This is the current outside temperature.
Rain Sensor Communication | -- | Okay | The scan tool displays Okay or Not Okay. This is the state of the rain sensor communications.
Rain Sensor Front Wiper Status | -- | Off | The scan tool displays Off, Single Wipe, Low, High or Invalid. This is the current state of the rain sensor front wipers.
Rain Sensor Splash Water | -- | No | The scan tool displays Yes or No. This is the current state of the splash water rain sensor.
Rain Sensor Status | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the rain sensor.
Reverse Gear Switch | -- | Inactive | The scan tool displays Active or Inactive. Active is displayed if the vehicle is in reverse.
Side Repeater Status | -- | All OFF | The scan tool displays All OFF, All ON, Left ON or Right ON. This is the current status of the side repeaters.
Starter Relay | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the starter relay.
Ter. 15A - Switched Battery Voltage (Terminal 15A) | -- | On | The scan tool displays On or Off. This is the state of the terminal switched battery voltage.
UEC Automatic Light Sensor (Underhood Electrical Center) | -- | Okay | The scan tool displays Okay or Not Okay. This is the state of the automatic light sensor.
UEC Front Wiper Status (Underhood Electrical Center) | -- | Off | The scan tool displays High, Low or Off. This is the current state of the front wipers.
UEC Ignition Status (Underhood Electrical Center) | -- | Active | The scan tool displays Active or Inactive. This is the state of the underhood electrical center (UEC) ignition.
UEC Rear Window Washer Status (Underhood Electrical Center) | -- | Off | The scan tool displays On or Off. This is the state of the rear window washer.
UEC System Voltage (Underhood Electrical Center) | -- | Varies | This displays V. This is the current system voltage of the underhood electrical center (UEC).
Washer Level Switch | -- | Normal | The scan tool displays Low or Normal. This is the current state of the washer level switch.

#### UEC Scan Tool Output Controls

Output Control | Description
--- | ---
Display Immobilizer Status | This output control is used to display the immobilizer status.
Engine Running Signal Test | This output control is used to command the engine running signal.
Front Fog Light Test | This output control is used to command the front fog lamps.
Front High Beam Test | This output control is used to command the front high beams.
Front Low Beam Test | This output control is used to command the front low beams.
Front Parking Light Test | This output control is used to command the front parking lights.
Front Turn Signal Test | This output control is used to command the front turn signals.
Front Wipers Test | This output control is used to command the front wipers.
Horn Test | This output control is used to command the horn.
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 Window Washer Test | This output control is used to command the rear washers.
Reset ECU | This output control is used to reset the electronic control unit (ECU) or control module.
Side Repeater Test | This output control is used to command the side repeaters.
UEC Terminal 15A Relay Test | This output control is used to command the underhood electrical center (UEC) terminal 15A relay.
Windscreen Washer Test | This output control is used to command the windshield washers.