User's Manual

PS70PRO Diagnosis System
10
4.2. Test Functions
4.2.1. Take Volkswagen car for example, select Diagnosis, then select Europe Car,
users can see Volkswagen’s VW word. If the VW word has not been seen, please
swipe up and down or enter the car model to research.
Different vehicles have slight different menus.
Common main function menu includes the following options:
Read ECU: this function is to read ECU version information, which is the equivalent
of “System Identification” or “System Information” in some electronic control
systems, all mean to read ECU related software and hardware versions, models and
production date of diesel engine, part number, etc. It is convenient for us to make
record in the maintenance process, and it also makes later data feedback and
management easier.
Read DTCs: read trouble codes stored in ECU.
Clear DTCs: clear current and historical trouble codes memory in ECU, under the
premise that all the troubles are eliminated. The trouble codes can not be erased
without eliminating all the troubles, which will cause the diagnostic tool always