Chevrolet Malibu LS 2002

Greetings someone will have the repair manual of this Chrevolet Malibu LS 2002 Auto I have a problem when increasing the engine temperature no longer activated the fans or fans and I have to stop to wait for the temperature to lower if someone can guide me where to start checking the problem or should, I tell you tube to put the fans directly so that it does not overheat and it is a can of them.