| CAUTION | On models equipped with engine immobilizer, if ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION, or appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. |
Circuit Description
While the ignition switch is OFF, the battery positive voltage is supplied to terminal BATT of the ECM for the DTC memory and air-fuel ratio adaptive control value memory, etc.