For 1990-2009 cars

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

#### EHU Scan Tool Data Parameters

Parameter | System State | Expected Value | Description
--- | --- | --- | ---
Operating Conditions: Ignition ON
2D or 3D GPS Position Fix | -- | Varies | The scan tool displays None, Reserved, 2D or 3D.
Amplifier Temperature | -- | Varies | This displays °F (°C). This is the current estimated temperature of the amplifier.
Amplifier Temperature Protection Level | -- | Off | The scan tool displays Off, Level 1-6 or Reserved. This is the current amplifier temperature protection level.
Audio Drive Temperature | -- | Varies | This displays °C (°F). This is the current estimated temperature of the audio drive.
Audio Source | -- | Varies | The scan tool displays AM, FM, CD/CD-MP3, CC, Phone, TA, Navigation, DAB, AUX, CDC or VRU. This is the current audio source.
Blower Fan Speed | -- | Varies | This displays %. This is the current speed of the blower fan measured in percentage.
CD Changer Slot 1-6 | -- | Varies | The scan tool displays In Use or Not In Use. In Use is displayed if a CD is in the corresponding slot.
CD In | -- | Varies | The scan tool displays Yes or No. Yes is displayed if a compact disc (CD) is in the player.
CD Mode | -- | None | The scan tool displays None, Checking CD, Loading CD, TOC reading, CD is playing, Track seek, Fast Forward, Fast Rewind, Ejecting CD, Tp-Stop, Pause, Test mode or Error. This is the current CD mode.
CD Player Status | -- | Varies | The scan tool displays None, Random CD, Random Folder, Track Repeat, Folder Repeat, CD Repeat or Track Scan. This is the current status of the CD player.
Dead Reckoning Velocity | -- | 0 km/h (0 mph) | This displays km/h (mph). This is the dead reckoning velocity.
GPS Antenna Status | -- | Okay | The scan tool displays Open Circuit, Short Circuit, Off or Okay. This is the current status of the GPS antenna.
GPS Velocity | -- | 0 km/h (0 mph) | This displays km/h (mph). This is the current GPS velocity.
'KEY-IN' Status | -- | Inactive | The scan tool displays Active or Inactive. Active is displayed when the key is in the ignition.
Mute Control Input | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the mute control.
Position Latitude | -- | Varies | This displays a numeric value. This is the current latitude angle position of the vehicle.
Position Longitude | -- | Varies | This displays a numeric value. This is the current longitude angle position of the vehicle.
Remaining Security-Code Inputs | -- | Varies | This displays a numeric value. This is the remaining number of security code inputs.
Satellites Tracked | -- | Varies | This displays a numeric value. This is the number of satellites tracked.
Security Wait Time | -- | Varies | The scan tool displays Running or Not Running. Running is displayed if there is a security wait time.
Theft Protection | -- | ID O.K. | The scan tool displays ID O.K., Unit disabled, Delivery State, ID N.O.K. yet or ID-Comp running. This is the current state of the theft protection.
Tuner 1 Average Field Intensity | -- | Varies | This displays dBuV. This is the average field intensity of tuner 1.
Tuner 1 Frequency | -- | Varies | This displays a numeric value. This is the current tuner frequency.
Tuner 1 Frequency Unit | -- | Varies | This displays MHz or kHz. This is the tuner frequency unit.
Tuner 1 Field Intensity | -- | Varies | This displays dBuV. This is the tuner field intensity.
Twin Audio Remote Control Key Status | -- | No Key Pressed | The scan tool displays No Key Pressed, Left Arrow, Left Activated, Right Arrow, Right Activated, ON/OFF-Key, TUNER-Key or CD-Key. This is the current state of the twin audio remote control keys.
Twin Audio Remote Control Status | -- | Connected | The scan tool displays Connected or Not Connected. This is the current state of the twin audio remote control.
Vehicle Speed | -- | 0 km/h (0 mph) | This displays km/h (mph). This is the current vehicle speed.
Volume Control | -- | Varies | This displays %. This is the current volume control percentage.
Volume Decrease | -- | Varies | This displays dB. This is the current volume measured in decibels.
Warning Amplifier Temperature | -- | Inactive | The scan tool displays Active or Inactive. This is the current state of the amplifier temperature warning.

#### EHU Scan Tool Output Controls

Output Control | Description
--- | ---
Activation Theft Protection | This output control is used to activate theft protection.
Cooling Fan Test | This output control is used to command the cooling fan.
Deactivation Theft Protection | This output control is used to deactivate theft protection.
Program Audio Index | This output control is used to program the audio index.
Program Code Index | This output control is used to program the code index.
Program Temperature Index | This output control is used to program the temperature index.
Program ECU | This output control is used to program the electronic control unit (ECU) or control module.
Program Mid Speed CAN-Bus Config. | This output control is used to program the mid speed control area network (CAN) serial data bus configuration.
Program Variant Configuration | This output control is used to program the variant configuration.
Read ECU Identification | This output control is used to read the electronic control unit (ECU) or control module identification.
Reset ECU | This output control is used to reset the electronic control unit (ECU) or control module.