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Home>ALicar Vehicle Tools>ALicar Vehicle HUD>ALicar A203 OBD2 Car Trip Computer Multi-function On-board Display HUD Speed Fuel Consumption Gauge
ALicar A203 OBD2 Car Trip Computer Multi-function On-board Display HUD Speed Fuel Consumption Gauge

ALicar A203 OBD2 Car Trip Computer Multi-function On-board Display HUD Speed Fuel Consumption Gauge

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ALicar A203 OBD2 Car Trip Computer Multi-function On-board Display HUD Speed Fuel Consumption Gauge
color:red,size:xxl
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    • Product Name: ALicar A203 OBD2 Car Trip Computer Multi-function On-board Display HUD Speed Fuel Consumption Gauge
    • Item NO.: 26808128
    • Weight: 0.5 kg = 1.1023 lb = 17.6370 oz
    • Category: ALicar Vehicle Tools > ALicar Vehicle HUD
    • Creation Time: 2024-07-03
    • Operating voltage: 10-18V DC
    • Operating current:

    ALicar A203 OBD2 Car Trip Computer is a vehicle-mounted smart device specially designed for most models after 2008. It can help you keep an eye on the vehicle's condition during driving, discover and solve problems in time, and ensure your driving safety.

    A203 OBD2 Auto Trip Computer Introductions


    Appropriate models for products


    The product is suitable for standard OBD-ll protocol compliant petrol and diesel vehicles, especially for vehicles without a temperature gauge, tachometer and fuelconsumption meter. 

    Product installation modes


    A203 diaplay HUD is a car OBD multi-function instrument with astylish and compact shape. lt is designed for installation through the plug and play OBD port without cutting the wire, easy and simply to install.

    Features of product hardware


    32-bit ARM CORTEX-M3 CPU,with 72MHz maximumoperating frequency, in support of multiple high speed automotive communication protocols

    Early alarm functions of products


    Support multiple early alarm functions: water temperatureearly alarm, over-speed eary alarm, shifting reminding early alarm and vehicle fault early alarm; bring car owners great convenience for safe driving.

    Functions of clearing fault codes


    Car owners can scan and clear regular vehicle fault codes at their discretion and reduce repair costs, without goingto the 4S shop.


    Automobile On-board Trip Computer Features


    1. Vehicle speed, water temperature, and voltage monitoring: Real-time monitoring of vehicle speed, water temperature, and voltage allows you to understand the vehicle status at a glance.
    2. Mileage statistics: Accurately record your driving mileage, making it easy for you to check your fuel consumption status and understand your total mileage.
    3. Diagnostic scan of fault codes: Diagnose vehicle fault codes to quickly find the problem and facilitate repairs. 4.16 Super long battery life
    5. Engine temperature alarm: Monitor the engine temperature in real time and automatically alarm when it exceeds the set value to remind the driver to check and repair in time. 
    6. High-definition color display
    7. Vibrate to wake up and start with the car



    A203 OBD2 Car Trip Computer parameters

    Operating voltage: 10-18V DC

    Operating current: <80mA
    Sleep current: <15mA
    Operating temperature:-20~85*CProduct volume:73mmx90mmx60mm



    A203 OBD2 Car Trip Computer packaging accessories

    1 x host, 
    1 x data lines, 
    1 x 3M Double sided adhesive,
    1 x instructions,
    1 x certificate ofapproval.


    obd2 car trip computerALicar A203 obd2 car trip computer



    A203 OBD2 Car Trip Computer description


    ALicar A203 OBD mini car trip computer is a small carinstrument with powerful functions, which is especiallysuitable for vehicles without a tachometer, an enginetemperature gauge and fuel consumption display functions.

    A203 can also display and monitor vehicle batteryvoltage, generator charging voltage, offering vehicle overspeedalarm, high engine temperature alarm andmonitoring and other functions. lt even can read vehicle data streams, scan engine fault codes and offer fault code clearing functions

    A203 OBD2 Automobile Trip Computer installation and usage


    Insert the product into the check port on the vehicle OBD computer, insert the other end of the produet into the data interface of the host.

    After the product is inserted into the host and the car is started, wait for the communication linkage between A203 and the car, After the linkage issuccessfully established, the host will send a “'drop’sound, at the same the display screen displays vehicle protocols and then indicates that it is the first time the produet is used to set up parameters.

    A203 Trip Computer installation preeautions:


    The automobile instrument panel must be kept clean,if waxing is done with car instrumentwaxes, causing the double adhesive not to be pasted, please carry outcleaning operations with a heat towel and then undertake installation. When installation, heat the instrument panelby blowing air, which can achieve the best effects.


    A203 OBD2 Car Trip Computer usage settings

    Press the function key in the front of the host to enter into product menu status

    Electronically Controlled Diagnosis System


    Press the function key again to enter the electronically controlled system, The electronically controlled system contains three menu functions.

    Enter fault code scanning functions to read car fault code information and choose whether to clear car faults.

    Choose to read data streams to detect car data inreal time. Choose the key leftwards and rightwards to flippages up and down for query.


    Car performance tests


    Car performance tests include: accelerationperformance tests, brake performance tests, accelerationtarget speeds, and initial braking speeds

    When an acceleration performance test is carried out,set up an acceleration target speed firstly, and finish the acceleration performance test after the set speed isreached. When the brake performance test is undertaken,it is necessary to set up an initial braking speed firstly;when the initial brake speed is reached, start to calculatethe brake distance until the car speed is stopped.

    A203 OBD2 Car Trip Computer Instrument parameter settings


    Choose instrument parameter settings, enter the instrument parameter setting interface, and adjust the parameter size left and right, long press the function keyto return to the previous menu.

    Instrument parameter settings include the following setting class contents:

    1. Engine displacement settings

    Set up the engine displacement size, after this parameter is set, the car's instantaneous fuel consumption and average fuel consumption are accurately calculated.

    2. Fuel type setting

    Choose petro, diese1, diesel 2; in different diesel modes,fuel consumption data sees great changes.

    3.verspeed alarm

    Set up this parameter, when the set car speed is reached, the instrument will send "drop.drop" sounds to give an alarm, the car speed text will display in red.

    4. High water temperature alarm

    Set up thisparameter, when the engine reaches the alarm temperature instrument, “drop, and drop" sounds will be given, at the same time the displayed temperature character is red.

    5.Shift reminding rotation speed

    After this rotation speed is set, shift reminding status is reached, and a shift prompt tone will be sent, at the same time , shift characters display

    6. Shift reminding upper limit

    The car speed reachesthe set value, the shift reminding will be shut down, incase there are no gears to uplift at the highest gear afterthe set car speed is exceeded.

    7.Instrument standby time

    After the car flames out,the set value is reached, and A202 will sleep automatically.

    8.Car speed error correction

    When the car speed meter displays 100 km status, adjust A202 display to bein accordance with the car speed meter.

    9.Battery voltage correction

    Correct voltage display accuracy settings in A202

    10.Alarm voltage settings

     Set up this parameter to remind car owners whether the battery is damaged.

    11.Instrument digit color

    Seven colors are available for option, users can carry out settings based on their preference.

    12. Car speed reset settings

    In idle modes, if the car speed is lower than the set value, the car speed will be displayed as zero.

    13.Fuel consumption data correction

    lf there is an error between average fuel consumption displayed in A203 and actual fuel consumption, adjust this parameter, If the displayed fuel consumption is bigger than the actual one, decrease the percentage, otherwise increase the percentage.

    14. Factory reset settings

    Choose this function to restore A203 data to initial status.


    A203 OBD2 On-board Computer Information


    The product information function can query product software versions and communication protocols of this car as well as help and solutions to car compatibility problems.

    A203 OBD2 Car Trip Computer on car compatibilities


    A203 Trip Computer can be used on most of cars normally through plug and play.

    When used in some cars, car dashboard lights or faul talarm lights are caused to be lit up abnormally, operate according to the help hint on compatibility solutions and use needle-nose pliers to twist off excess pins to eliminate such phenomena.