Non-Immobilizer Programming (AVALON & CAMRY)
WARNING: This page does not describe the selected car, but rather 162 other vehicles, including the 2001 Volvo V70, 2001 Volvo V40, 2001 Volvo S80, 2001 Volvo S60, and 2001 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Ensure vehicle is not equipped with engine immobilizer system. Install new ECM. Turn ignition on for more than 2 seconds. Turn ignition to ACC or LOCK. Repeat ignition on/off cycle 4 times. Ensure ignition stays on more than 2 seconds on fourth time or vehicle will not start and ECM is permanently damaged. When ignition is on for more than 2 seconds the fourth time, "without engine immobilizer" code will be registered in ECM.