PRECAUTION PRECAUTIONS FOR INSPECTING HYBRID SYSTEM
CAUTION:
Before the following operations are conducted, take precautions to prevent electric shock by turning the ignition switch off, wear
DEFINITION OF TERMS
Term Definition
Monitor Description Description of what the battery ECU assembly monitors and how to detects malfunctions (monitoring purpose and its details).
UPDATE ECU SECURITY KEY
NOTICE:
It is necessary to log in to the Toyota server to perform an ECU security
key update.
Users other than Toyota dealers can log in with a guest account issued when
an ECU is ordered.
UPDATE ECU SECURITY KEY
(a) Enter the following menus: System Select