Several approaches have been proposed to detect the inconsistencies between the software architecture and the code to ensure that the original design goals are maintained. Similar to the consistency with the code it is important that an architecture view is consistent within itself and with other related architecture views. Unfortunately, the existing architecture conformance analysis approaches have primarily focused on checking the inconsistencies between the architecture and code, and did not explicitly consider the consistency within and among views. In this paper, we provide a systematic architecture conformance analysis approach that explicitly focuses on conformance analysis within and among architecture views. To this end, we define the meta-models of architecture viewpoints, present the conformance analysis approach, and provide the tool ArchViewChecker with a case study.