ALicar A205 Car OBD2 Multi-Function Meter onboard computer Head Up Display Speed Fuel Consumption

Car OBD2 Multi-Function Meter Description

ALicar A205 Car OBD2 Multi-Function Meter is a smart and powerful auto HUD. It is especially designed for vehicle without speedometer, engine temperature gauge,oil thermometer,boost gauge and fuel consumption meter.

A205 car head up display can also monitor and display battery voltage, engine charging voltage, overspeed alarm, engine temperature warning. It can even read the real-time data stream, scan and clear trouble code.

Car OBD2 Multi-Function Meter Introduction

Supported Vehicle

For petrol vehicle with standard OBD-II protocol, especially for vehicle without water gauge, speedometer and fuel consumption meter.

Installation

A205 is a OBD multi-function meter, with smart and fashion design. It is easy to install. OBD port helps you use it once connection. No need to destroy the wire.

Hardware

CPU based on 32 bit ARM CORTEX-M3 kernel; Maximum operating frequency: 72MHz; Support multiple high speed auto communication protocols.

Warning Function

Supporting water temperature warning, over-speed alarm, shifting reminding, vehicle malfunction warning, which secure safe driving.

Trouble code clearing

Support code scanning and general code clearing.

Car OBD2 Multi-Function Meter Functions

Car OBD2 Multi-Function Meter Parameter

Operating voltage: 10-18V DC

Operating current: <80mA

Sleep current: <15mA

Operating Temperature: -20~75℃

Volume: 60mm×50mm×67mm

Car OBD2 Multi-Function Meter packing list: 

1×Host, 

1×OBD cable, 

1×3M double-sided tape,

1×User manual, 

1×Certificate.

Car OBD2 Multi-Function Meter Appearance

1. Function button

2. OBD port

3. Ambient light detector

4. Display

Turn right/left of function button to quick select from main screen. In setting mode, turn right/left to choose menu. 

Press down in the middle to confirm. 

Long press M in the middle to exit or back.

Car OBD2 Multi-Function Meter Holder Installation 

1. Tear 3M doble-sided tape, and fasten it with holder base.

2. Pull up the bottom center to right and left.

3. Insert the base of holder to the bottom of host.

4. Insert the bolt from right, and nut from left.

5. Fasten the screw with screwdriver.

Car OBD2 Multi-Function Meter Installation and Operation

Connect one side of OBD cable with car OBD port, the other side with A205 OBD port.

After connection with host, start the car and wait A205 to connect with vehicle. Connecting successfully, the host ticks, and A205 displays vehicle protocol. Then, it will show parameter setting for the first use.

Definition of International General OBD Socket Protocol Defined by SAE

Connection port for A205 and vehicle

Tips for Product Installation:

Make sure the dashboard is clean before installation. If the dashboard is waxed, the tape cannot paste, so please tidy with hot towel, then, install the product. It will be the best if heating it up with dryer during installation.

ALicar OBD2 Multi-Function Meter Operating Setting

Turn right/left of button in the top of host, the displayed large character can be switched fast.、

If the product doesnot support currenct data display, red X will be displayed. If funtion data needed cannot be selected, please check in the data stream of Electronic Control Diagnosis System.  

SPEED   current speed           SPEED AVG  average speed

WATER T. water temperature      INTAKE T. intake temperate

OUTSIDE T. outside temperature  VOLTAGE  battery voltage

FUEL P.  fuel pressure            MAP manifold absolute pressure

ENG LOAD engine load         TAHCO/RPM revolutions per minute

FUEL LEVEL fuel level             DISTANCE distance

FUEL C;AVG fuel average          FUEL C fuel consumption

OTL P. engine oil pressure         OIL T. engine oil temperature

INGITION T.  INGITION Turbine     CLOCK time

THROTTLE P. throttle position

Electronic Control Diagnosis System

Press the function button to Electronic Control Diagnosis System. It includes 3 functions. See the picture below:

Choose the function“Scan DTCs”, it can read trouble code, and you can decide if clearing the code.

Choose “Data Stream”. It will monitor real-time data. Turn right/left of the button, it will show page up and down.

Vehicle Performance Test

Vehicle performance test includes: speedup test, brake test, target speedup, brake initial speed

Before speedup test, please set target speedup. When it reaches to the scheduled speed, finish speedup test.

Before brake test, please set brake initial speed. When it reaches to brake initial speed, calculate the distance from beginning to the end of acceleration.

Car OBD2 Multi-Function Meter Parameter Setting

In parameter setting, turn right/left of the button to set the parameter value. Long press function key back to previous menu.

OBD2 Vehicle Head Up Display A205 Parameter Setting Including: 

1. Engine displacement - To accurately calcuate instant and average fuel consumption

2. Fuel type - Choose petrol or other type fuel, fuel consumption data will be much different.

3. Overspeed alarm - When it reaches to the scheduled speed, it will tick to alarm, and the character for speed will display in red.

4. Water temperature warning - When it reaches to the schechuled engine temperature, it will tick to alarm, and the character for temperature will display in red.

5. Shift reminding - When it reaches to the scheduled speed, it will remind to shift, and display shift symbol.

6. Shift reminding limit - When it reaches to the scheduled speed, it will turn off shift reminding, in case it exceeds the scheduled speed, and cannot shift up.

7. Standby time - After the vehicle shuts down, and it reaches to the scheduled standby time, A205 will change to automatic sleep.

8. Speed error adjustment - when the speed is 100km, adjust displayed speed of A205 to 100km.

9. Battery voltage adjustment - Adjust A205 voltage to display accurately.

10. Voltage warning - To remind the driver if the battery is under charge

11. Color of number - 7 colors to choose.

12. Speed to zero - In idle speed mode, speed will display zero if it is lower than the scheduled.

13. Fuel consumption adjustment - Average fuel consumption is less the actual. If it displays more, adjust the percentage to be smaller, and vice versa.

14. Reset - A205 will revert to the initial state.

A205 OBD2 Multi-function Meter Onboard Computer Setting

To set display in A205

In working condition, 4 types of information will display. They corresponds to the following content:

1 - Quick switch to displayed quantity and content;

2,3 - Set more content;

4 - Set to display instant fuel consumption or RPM bar;

The 10 round icons in the top are shift reminding display. It is default off.

ALicar A205 Information

It helps to check software version, vehicle protocol and solution for protocol compatibility.

About Auto OBD2 Onboard Meter protocol compatibility

When connecting with some vehicles, gauge LED or touble alarm LED may be lit. Please follow the “Matching inf” to operate - Please open OBD cable of product, and cut off the corresponding pins to solve the problem.