How to perform an internal audit in an automotive industry

 Purpose of internal audit:

To establish a Procedure for the Internal Audit of the Quality Management System and to ensure that the Quality Management System confirms all types of internal audits.

Type of Audit in the automotive industry:

Quality System Audit:

The organization’s Processes and their related results comply with planned arrangements and ensure effective implementation.

Process Audit:

Determination of the effectiveness of the manufacturing process.

Product Audit:

To ensure conformity to product requirements at appropriate stages of production and delivery to verify the conformity to all specified requirements such as dimensions, packaging, functionality and labeling.

Scope of Internal Audit:

Applicable for below:

  • Organization Quality Management System.
  • Manufacturing Process Audit 
  • Product Audit.

Responsibility of Internal Audit:

MR / Qualified auditors are responsible for implementing this procedure.

Procedure Steps:

Quality System Audit :

Sl NoActivity DescriptionReferenceResponsibility
1Prepare a List of Internal Auditors based on their Qualification (Min. Graduate or Diploma) for the Audit of QMS, Knowledge & Experience. (Minimum 2 years) with an internal audit certificate. List of Internal Quality System AuditorsMR
2Prepare an Internal Audit Plan (frequency twice a year), considering all QMS-related processes & activities as well as the results of previous audits.  Annual Quality System Audit PlanMR
3Prepare an Audit Schedule considering the status & importance of processes & activities and the number of shifts of operation. Ensure the qualified and Approved auditors are used for carrying out the Audit.Audit ScheduleMR
4Communicate the non-conformance to the concerned auditee for taking appropriate actions on the same. The corrective action on the identified Non-conformance is initiated. For non-conformance, the following action is initiated :  
(a)  Correction done immediately.
(b)  The root cause is analyzed within one week & corrective action is implemented according to the type of the root cause.
The target date for implementation is as follows:-
(a)  Close all observations within one month
Audit Schedule  & Audit Check. List & Observation Sheet             MR
5Summarize all Department Audit findings results.Internal Quality System Audit Non-Conformance Report.MR & Certified Auditors
6After Completed of each Audit Cycle:-  
a) Audit Result Summary is prepared and audit results are reviewed.
b) Audit Plan will be reviewed and revised based on audit results (if required.)
c) When internal / External Non-conformity or Customer Complaints occur, the audit frequency shall be appropriately increased or decreased.
Audit Summary Report            MR
7After Completed of each Audit Cycle:-  
a) Audit Result Summary is prepared and audit results are reviewed.
b) Audit Plan will be reviewed and revised based on audit results (if required.)
c) When internal / External Non-conformity or Customer Complaints occur, the audit frequency shall be appropriately increased or decreased.
Revised Annual Audit PlanMR

 Manufacturing Product & Process Audit:

Sl. NoActivityReferenceResponsibility
8.Prepare a List of Internal Process and Product Auditors based on their Qualifications, Knowledge and experience for the product and process audit. ( Criteria: Qualification Min Diploma & Min 2 year experience )   .List of Process and Product Auditors   MR
9Prepare Process and Product Audit Schedule considering the status & importance of processes and production activities and the number of shifts of operation. Ensure the qualified and approved auditors are used for carrying out the Process and Product Audit.Annual Process and Product Audit PlanMR
10Prepare an Annual Process and Product Audit Plan, considering all processes and products. Special Focus is to be given to NG Areas of the previous audit, customer-compliant action taken history, and action taken on customer visit observations.   Process & product audit frequency once in a yearProcess  and Product Audit ScheduleMR
11.Communicate the non-conformance to the concerned auditee for taking appropriate actions on the same. The corrective action on the identified Non-conformance is initiated as per the following Action.   a) Correction done immediately. b) Root cause is analyzed within 4 days c) Corrective action is implemented according to the type of root cause.
Corrective Action:- The target date for implementation is as follows:-
(1)  Action related to document revision & preparation within –one week.
(2)Action related to imparting in-house/on job Training within fifteen days.
(3)Action related to outside support within two weeks Action Related to system Amendment within fifteen days.
Process and product Audit Schedule & Process and Product Audit Check ListMR
12Communicate the non-conformance to the concerned auditee for taking appropriate actions on the same. The corrective action on the identified Non-conformance is initiated as per the following Action.   a) Correction done immediately. b) Root cause is analyzed within 4 days c) Corrective action is implemented according to the type of root cause.
Corrective Action:- The target date for implementation is as follows:-
(1)  Action related to document revision & preparation within –one week.
(2) Action related to imparting in-house/on job Training within fifteen days.
(3)Action related to outside support within two weeks Action Related to system Amendment within fifteen days.
Audit Check List &  Observation SheetMR
13After Completed of each Manufacturing Process and Product Audit Cycle:-  
a) Process and product audit result summary is prepared and audit results are reviewed.
b) Process  and product audit plan will be reviewed based on result findings if applicable
Summarize all Department Audit findings results.MR
14After Completed of each Manufacturing Process and Product Audit Cycle:-  
a) Process and product audit result summary is prepared and audit results are reviewed.
b) Process  and product audit plan will be reviewed based on result findings if applicable
Audit Summary ReportMR
15After Completed of each Manufacturing Process and Product Audit Cycle:-  
a) Process and product audit result summary is prepared and audit results are reviewed.
b) Process  and product audit plan will be reviewed based on result findings if applicable
Revised Annual Process/Product  Audit PlanMR
16After Completion of each Manufacturing Process and Product Audit Cycle:-  
a) Process and product audit result summary is prepared and audit results are reviewed.
b) Process  and product audit plan will be reviewed based on result findings if applicable
Audit Summary ReportMR, Respective Department Heads.

Internal Audit Frequency:

1Quality Management SystemOnce a year if more than 5 NCs are in an audit, then again re-audit in the next 2 monthsManagement Representative
2Process Quality AuditOnce a year if more than 5 NCs are in an audit, then again re-audit in the next 2 monthManagement Representative
3Product Quality AuditOnce a year if more than 5 NCs in an audit, then again re-audit in the next 2 monthManagement Representative

Internal Audit Checklist as per IATF 16949


Leave a Comment