OBD smart digital meter
User manual
Model:P22
(Thanks for purchasing our OBD smart digital meter. This product connects car OBD2
interface by OBD cable, and display the driving datas, e.g. vehicle speed, engine RPM,
water temperature, fuel consumption etc. It can keep the driver’s eyes always on
road to avoid the dangerous of lowering down head to read the dashboard. This
product won’t change any car ECU datas.)
Warning:
working voltage:11V~18Vdc (12Vdc/200mA)
This product is dual system: after power on, choose the language,then choose OBD
or GPS system, and it will automatically enter the last selected system after 5 seconds
of no operation
Functions & Buttons
1. atmosphere light: Change with RPM and vehicle Speed (under setting)
2. Button:
Short press in: switch the display mode, enter the setting menu to confirm the
option
Long press in: enter the settings, after adjustment, long press in to save and exit
Press left: switch the display on the left, enter the setting and choose the option,
and short press the calibration on the display interface of the slope meter
Press right: switch the display on the right, and choose the options after entering
the settings.
3. bracket: used for hanging glass view
4. Sensitive components: Automatically adjust
5. OBD cable interface
Slope meter calibration
Short press left or right button：Setting done if there is di di di
Time calibration
Enter the settings: adjust system time, short press right adjust time, after
adjustment long press in to save and exit
Abbreviations:
Setting Mode:
Long press in to enter the settings, press right to select the menu, short press in to
confirm, after adjustment, long press in to save and exit
Language Set: CN=Simplified Chinese/ TW=Traditional Chinese/
EN=English/Japanese/Korean/Thai/Russian/Arabic/Malay/Spanish/German/French
ECT= Engine coolant temperature
VLT= Voltage
FUE= Fuel consumption
RPM= Rotation per mile
TIM= Time/Clock
MIN= Driving minutes
DIS= Driving distance
MAP= Manifold air pressure
OIT= Oil temperature
A/F= Air-fuel ratio
TCP= Turbo pressure
PSI= Turbo pressure unit
RTC= Satellite time
ASL= Altitude
DIR= Driving direction
TPS= Throttle position
KM/L= Kilometers per liter
IAT= Intake air temperature
CVT=Continuous variable
transmission
ELD= Engine load
GPS= Satellite numbers
Sound Switch: ON=Turn on the alarm/ OFF=Turn off the alarm
Speed Alarm: Alarm when the vehicle speed >150km/h, adjust range is 5-200 km/h
Coolant Alarm: Alarm when the water temperature >120°C, adjust range is 50-200
RPM Alarm: Alarm when the engine speed >6000r/min, adjust range is 1000-8000
BAT alarm: Alarm when the voltage <10.5v, the setting range is 10.0-15.0v
Speed Adjust: Adjust the parameter value when there is an error between the speed
and the instrument panel (e.g. instrument display 100 Km/h HUD shows 105Km/h,
use default value 107-5=102)
Speed Offset: When the vehicle speed does not return to 0 after the car is turned off
(E.g. speed display 5Km/h,please adjust HUD to 6Km/h)
BAT Adjust: When there is an error between the voltage and the instrument panel
voltage, fine adjustment can be made (If the hud displays 0.2V higher than the
instrument voltage, the device is adjusted to 98%)
Engine Size: When the fuel consumption error is large, adjust according to the
displacement (If the car displacement is 3.6L, adjust the parameter value to 3.6L)
Fuel Adjust:Fine-tuning when there is an error in fuel consumption (If the device
displays 0.2L higher than the instrument voltage, the device is adjusted to 98%)
Brightness：Auto= Automatic light sensitivity, 1= The darkest, 8 =The brightest
Atmosphere:
RPM = Speed control color-changing atmosphere light
SPEED= Car speed control color-changing atmosphere light
OFF= Turn off the atmosphere light
BLUE= Blue atmosphere light
RED= Red atmosphere light
PURPLE=Purple atmosphere light
CWT Unit：°C =Celsius °F =Fahrenheit
Speed Unit :Km/h= Kilometers MPH= Miles
Sum Distance: total mileage synchronization (Keep it as same as dashboard,
ex:odometer shows 30010km, adjust the parameter value to 30010km)
Power Off Time:The default is 10 seconds to shut down, the adjustment
range is 5-300 seconds
Sleep Voltage：Adjust to 13.2V or 13.6V when unable to shut down, adjust to COM
mode for cars that start and stop automatically
Factory Set: The system restores to the factory preset values. After selecting this
operation, short press in to confirm
Time Adjust: It can be adjusted to local time, the default time is China time (GMT+8)
Performance Testing
Acceleration test: 100km acceleration refers to the acceleration time from 0 to
100km/h, which is a power test of the car
Brake test: The time and distance used after the brake is stopped completely when
the vehicle speed exceeds 100km/h is the performance test of the brake
Troubleshooting settings
Scan fault code: Scan whether the car is faulty and display faulty code
Clear fault code: When the car has a faulty code display, short press in to clear it
Read data stream: Display all data in the car engine
OBD FAQ：
1.The screen without any display, and no power
Check whether the OBD cable is tight connection, pull down repeatedly to confirm,
please try it on another car if still not workable, analysis if it is a cause from OBD
diagnostic interface, if yes, please repair it and connect the device again.
2.Only the car voltage displays and be automatic power off after 30 second
(1) This product is only available for OBDII and EOBD cars when it is in OBD2 mode.
(2) Year of car production (Suitable for cars produced after 2008).
(3)This product OBD2 mode does not support OBD I and JOBD.
(4) Switch to the GPS system using the USB cable to display, within 5 seconds of
power press right to select the GPS system.
3.There is an error between the vehicle speed and the dashboard display
Please check whether the unit is correct. Kilometer KM/mile MPH (reference setting
item for speed unit switching)
The speed unit is correct when the power is turned on: long press in to enter the
setting, press right to select the speed error adjustment for fine-tuning (e.g.
instrument display 100 Km/h HUD shows 105Km/h, use default value 107-5=102)
4. There is an error in fuel consumption
(1) Checking your car displacement and make sure that the engine displacement of
the device is as same as your car’s(e.g. car is 2.0L,please set parameter value to 2.0L)
(2) if the displacement is the same, you can also do a fine-tuning settings(e.g.
equipment fuel is higher than 0.2L,please set the parameter to 98%)
Recommended: fine-tuning is optional since it is a real data from car computer
5.This HUD cannot auto shut down
After the car engine stops,the RPM on the HUD can not be turned off,please set
voltage to 13.2V or 13.6V,so that the car can be turn off after 3 minutes.
6. Step on the brakes and wait for the traffic light to turn off the machine and
automatically start and stop the car.
Adjust the shutdown voltage setting in the system settings to COM mode
7. Automatic start-up will auto off when step the brake and same situation on
Hybrid car in the traffic.
(1) Setting to COM mode(in the menu of shutdown voltage)
(2) Setting shutdown delay to 300 seconds,so that it can turn off after 5 minutes
(3) Please switch to the GPS system(right press within 5s)
8. Wrong operation leads to crash.
(1) Whether the OBD2 interface uses other OBD devices (locator, tire pressure
monitoring, drop lock lift window folding ELM27).
(2) Modified and installed (central control navigation, electronic throttle controller,
cruise control, brushed computer system ，One-key startup，keyless entry, remote
startup) will cause crashes, unplug other OBD devices and use this product directly to
restore factory settings (see the setting table for details).
(3) Long press in to enter the setting, press right to select restore factory settings,
short press in to confirm.
If it is not resolved, please switch to the GPS system for display, and press right for 5
seconds to select the GPS system.
GPS Display FAQ：
1.Nothing on the screen,no power
Check whether the OBD cable is tightly connected, pull it out and plug it in several
times, or plug USB cable into cigarette smoker.
2.No speed
The GPS is flashing to search for stars. Please move the car to an open road. GPS
display above 5 means it can be used normally only after searching 5 satellites.
3. Can not automatically turn on or turn off repeatedly during driving
If you use OBD cable, enter the setting menu to select the “Sleep Voltage” and adjust
the parameter value voltage to 13.0V or 12.8V.
4.Inaccurate satellite time
Enter the setting item: Time Adjust, press right to adjust the time zone time, after
adjustment, long press in to save and exit.
5.Inaccurate vehicle speed
(1) Check whether the unit is correct, kilometers KM/mile MPH (speed unit switch
please refer to the settings mode “speed unit”).
(2) When the car leaves the factory, the manufacturer increases the speed displayed
on the dashboard by 5-7%. International standards are based on satellite data.
(3)Fine-tune the vehicle speed, such as the instrument display 100 Km/h HUD display
105Km/h dial on the dial to adjust the parameter value to 102.
6.Wrong driving direction
Satellites can not read your driving direction when there is no speed. It will be
normal until >5KM/H.
7.Speed is still on after the car stops
Underground parking lots, tunnels, and overpasses, when there are obstructions, the
signal will be unstable. Satellites will drift. Please drive to an open road. If the
number of satellites found is more than 5, it will be normal.
8. After the car is turned off, it will not automatically shut down
When the OBD cable is connected, the machine will automatically shut down after 3
minutes
If the machine has not shut down after 5 minutes after stopping the flame, adjust the
parameter value of the shutdown voltage setting to 13.5V.
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En otros idiomas
- English: Sunsky P22 User manual
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