Not only is from clinical OBD II the software of a new version, which have obvious characteristics of hardware upgrades. The typical equipment OBD II scanner of the vehicle has the following features:
A. oxygen sensor is usually heating type oxygen sensor. Additional oxygen sensors located in catalytic converters nasty. The mean of the oxygen sensor combination rises to the catalytic converter JingHuaLv of monitoring, at the same time for the fuel control to compensate.
B. has 32 bit microprocessor strong function of the transmission system control module PCM, should the need of eobd scanner, increased 15000 new calibration constant.
C. with EEPROM of PCM, that its software can be reprogrammed, through the terminal interface and external computer the to write a new version of the software.
D. improved fuel evaporation pollution control system, often used for cleaning purposes diagnosis switch; Or enhanced fuel evaporation (EVAP) system, with a vent electromagnetic valve, a fuel pressure sensor and a diagnostic test devices.
E. enhanced an EGR system, with an electronic control valve and the linear EGR a needle valve position sensor, and to realize the EGR amount of more accurate monitoring.
F. fuel injection way more sequence by injection (SFI) instead of the ordinary multi-point injection (MPI) and single point injection (TBI).
G.M AP sensor and MAF sensor used at the same time, more accurately monitoring engine load and air flow.