Circuit Description
WARNING: This page is about a different car, the 2000 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
An Electronically Erasable Programmable Read Only (EEPROM) is used to contain the program information and calibrations required for engine, transmission and powertrain diagnostic operation. EEPROM program can be updated by reprogramming Powertrain Control Module (PCM).