| Product Definition | Mirror configuration | Correct left-hand or right-hand assembly, heated or non-heated, manual or power-adjustable, and folding specification. | Compare the approved drawing, purchase order, and production sample against the packed product. | 100% configuration match | Low | Approved technical drawing and purchase specification |
| Product Definition | Vehicle fitment interface | Mounting points, connector type, locating tabs, and fastener positions must match the approved application. | Use a master fixture or reference vehicle-side interface for dimensional verification. | No interference; all mounting points engage correctly | Medium | Approved CAD data, fitment fixture, and first-article approval |
| Optical Quality | Mirror glass condition | Clear reflective surface without cracks, chips, delamination, black spots, or visible distortion. | Visual inspection under uniform white light from approximately 600–800 mm. | Zero critical defects; no visible cosmetic defect in the defined viewing zone | Medium | Approved visual standard and defect classification plan |
| Optical Quality | Reflectivity and image quality | Reflective performance and image clarity must remain consistent across the usable viewing area. | Check against an approved golden sample and inspect for waviness, haze, and uneven coating. | No abnormal image doubling, haze, or coating discoloration | Medium | Approved limit sample and optical inspection procedure |
| Functional Testing | Power adjustment operation | Test every power-adjustable unit in all specified movement directions. | Operate the adjustment switch through the full intended range and listen for abnormal noise. | 100% functional test; smooth movement with no binding | Low | 100% pre-shipment function-test record |
| Functional Testing | Heater circuit operation | For heated versions, verify electrical continuity and heating response. | Use a calibrated multimeter for resistance or continuity and a controlled power test where specified. | 100% test pass; resistance within the approved engineering range | Low | Approved electrical specification and calibrated test equipment |
| Functional Testing | Folding mechanism | Manual or power-folding action must complete without excessive play, sticking, or abnormal noise. | Cycle each unit through the specified open and folded positions. | 100% operation pass; secure retention in each defined position | Medium | Approved functional test instruction |
| Electrical Safety | Connector and wiring condition | Correct terminals, wire routing, polarity, insulation, and connector locking performance. | Visual check, terminal verification, polarity test, and connector engagement test. | 100% connector and polarity verification | Low | Electrical schematic and connector specification |
| Dimensional Control | Critical dimensions | Verify mounting geometry, housing envelope, glass position, and clearance dimensions. | Measure with calibrated gauges, digital calipers, or a dedicated inspection fixture. | Within drawing tolerances for all critical characteristics | Medium | Approved engineering drawing and control plan |
| Surface and Finish | Housing appearance | Uniform color, texture, gloss, and coating without sink marks, scratches, flash, or contamination. | Inspect under standard lighting and compare with the approved limit sample. | No critical appearance defects; major defects not accepted | Medium | Approved cosmetic standard and limit samples |
| Material Compliance | Restricted substances documentation | Material declarations and laboratory reports must support applicable restricted-substance requirements. | Review supplier declarations, bills of materials, and risk-based laboratory test reports. | Documentation complete and traceable to the shipped material | Medium | Applicable market regulations and customer material requirements |
| Packaging | Protection against transport damage | Use molded or formed protection around the glass, housing, connectors, and painted surfaces. | Inspect packaging construction and perform carton condition and drop-test checks when required. | No contact between mirror glass and hard packaging surfaces | Medium | Approved packaging specification and transport-risk assessment |
| Traceability | Lot identification | Each carton and production lot should show part reference, quantity, production date, and inspection status. | Reconcile carton labels, packing list, inspection report, and production records. | 100% label and document consistency | Low | Purchase order, packing list, and supplier traceability procedure |
| Pre-Shipment Inspection | Functional test coverage | Every finished mirror assembly must receive the applicable functional checks before shipment. | Review serialized or lot-based test records and verify a random selection against the physical goods. | 100% functional testing completed and documented | Low | Approved inspection plan and calibrated test equipment |
| Pre-Shipment Inspection | Visual and dimensional sampling | Use a statistically based sampling plan for appearance, workmanship, packaging, and dimensions. | Apply ISO 2859-1 or an equivalent recognized attribute-sampling procedure at General Inspection Level II. | AQL 1.0 for major defects; zero critical defects | Low | ISO 2859-1 sampling framework and approved defect classification |
| Supplier Performance | First-pass acceptance rate | Monitor the percentage of shipments passing inspection without corrective action. | Calculate accepted shipments divided by total inspected shipments for each quarter. | At least 95% quarterly first-pass acceptance | Medium | Supplier scorecard and inspection history |
| Supplier Performance | Corrective action closure | Defects must be documented with root cause, containment, corrective action, and verification evidence. | Review an 8D or equivalent corrective-action report and confirm effectiveness on the next lot. | Containment within 2 working days; closure within 10 working days unless otherwise agreed | Medium | Supplier corrective-action procedure |
| Logistics Planning | Production and transit buffer | Reserve time for production, inspection, document approval, booking, and international transport. | Build the purchase schedule using confirmed production capacity and the selected transport mode. | Do not release cargo until inspection approval is recorded | Medium | Purchase schedule, shipping plan, and inspection booking record |