Circuit Description
WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
This DTC indicates the internal abnormalities of the ECM.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
When a trouble code is detected, fail safe must be kept on until the ignition switch is turned off.