Remove the Remote Function Actuator(RFA )/Keyless Vehicle Module (KVM)unit:
Wiring connection to CG100
Open CG100 software
Select CG100-III->UniProg (Universal Programmer)->Motorola->9S12XEQ384
Then you come to this interface:
First click on Read to check if the chip is encrypted
Then click Erase to clear chip data
This function is used to adjust the DFlash/EEPROM space size and replace the chip can be used to.
Adjust value: DFLASH:4K, EEPROM:2K
Then read EEPROM, DFLASH, PFLASH one by one
Finally install airbag unit back to vehicle.