Additional Service When Replacing Control Unit: Description

When the control unit is replaced, the initialization is necessary.

If any of the following operations are performed, the initialization is necessary and the control unit must be disconnected.

Power supply to the power window switch or power window motor is cut off by removal of battery terminal or if the battery fuse is blown.
Disconnection and connection of power window switch harness connector.
Removal and installation of motor from regulator assembly.
Operation of regulator assembly as an independent unit.
Removal and installation of door glass or door glass run.

The following specified operations cannot be performed under the non initialized condition.