GB/T 43253.1-2023Road vehicles—Functional safety audit and assessment method—Part 1: General requirements (English PDF)

4.1 General

This document is, based on the methodology given in GB/T 34590.1 ~ 34590.12-2022, in accordance with the prescribed functional safety audit and assessment process, implementation methods and requirements, as well as the functional safety audit and assessment checklist, to determine whether the organization's functional safety process has been correctly established and implemented, AND whether the assessed target (such as related items or elements, etc.) has achieved functional safety.

4.2 How to use this document

Based on this document, organizations can establish organizational-level audit and assessment processes; formulate audit and assessment plans, methods and specifications; implement audit and assessment processes; manage audit and assessment issues.

5.1 Organizational culture requirements

Relevant organizations that conduct audits and assessments shall establish a safety culture that ensures effective implementation of audits and assessments. A good safety culture can include.

5.2 Qualification requirements for audit and assessment personnel

The organization shall designate audit and assessment personnel in accordance with the independence requirements in Table 1 of GB/T 34590.2-2022. Auditors and assessors can come from within the company, customers or third-party companies.

Audit and assessment personnel shall have skill levels, abilities, qualifications that match their responsibilities; at least have training and professional activity experience in the following knowledge areas.

5.3 Input requirements for audits and assessments

5.3.1 Inputs to audits and assessments

Inputs to the audit and assessment shall include the following. […]

5.3.2 Authorization for audits and assessments

Audit and assessment parties shall have the necessary authority to support the scope of the audit and assessment.

5.4 Audit and assessment process requirements

5.4.1 Overview of the audit and assessment process

Figure 2 shows an overview of the audit and assessment process in distributed development.

6.1 Functional safety management

6.1.1 Objectives

The goal of this chapter is to audit and assess functional safety management documents, to check whether their content meets the definition and needs of functional safety development.

6.1.2 Inputs to audits and assessments

The development process and corresponding input materials, that need to be audited and assessed in functional safety management, mainly include the following contents (can be tailored according to the scope of audit and assessment).

6.1.3 Requirements for audit and assessment

6.1.3.1 Key points for audit and assessment of overall safety management

The audit and assessment of functional safety rules and processes shall cover the inspection items listed in Table 2.

6.2 Concept phase and system level

Functional safety audit and assessment requirements at the concept phase and system level shall meet GB/T 43253.2-2023.

6.3 Software level

Functional safety audit and assessment requirements at the software level shall meet GB/T 43253.3-2023.

6.4 Hardware level

Functional safety audit and assessment requirements at the hardware level shall meet GB/T 43253.4-2023.

6.5 Production, operation, service, decommissioning

6.5.1 Objectives

The objective of this Chapter is to audit and evaluate the relevant documents of "production, operation, service, decommissioning", to check whether their contents meet the definition and needs of functional safety development.

6.5.2 Inputs to audits and assessments

The development processes and corresponding input materials that need to be audited and assessed in production, operation, service, decommissioning mainly include the following contents (can be tailored according to the scope of audit and assessment).

6.5.3 Audit and assessment requirements

The audit and assessment of production, operation, service, decommissioning shall cover the inspection items listed in Table 9.

6.6 Support process

6.6.1 Objectives

The objective of this Chapter is to audit and assess the relevant documents and activities of the "support process", to check whether its definition content meets the definition and needs of functional safety development.

6.6.2 Inputs to audits and assessments

The development process and corresponding input materials that need to be audited and assessed during the support process mainly include the following. […]

6.6.3 Audit and assessment requirements

For the interface audit and assessment of distributed development, the check items listed in Table 10 shall be covered.

6.7 Vehicle safety

integrity level-oriented and safety-oriented analysis

6.7.1 Objective

The objective of this Chapter is to audit and assess the relevant documents and activities of "automotive safety integrity level-oriented and safety-oriented analysis", to check whether its definition content meets the definition and needs of functional safety development.

6.7.2 Inputs to audits and assessments

In order to carry out the audit and assessment process of vehicle safety integrity level-oriented and safety-oriented analysis, the following inputs and their possible verification reports shall be available.

6.7.3 Requirements for audit and assessment

The audit and assessment of ASIL level breakdown shall cover the inspection items listed in Table 19. […]