Now Available: JASO Standards and Technical Papers (TP) Established or Revised in 2026.

Added

C472-2:2026 Automotive parts – Brake disc test methods Part 2: Geometrical product specifications (GPS)
E018-3:2026 Road vehicles － Performance requirements and evaluation method of chassis dynamometer test system for the purpose of reproducing driving conditions on the road －Part 3：Requirements for chassis dynamometers capable of evaluating vehicle technologies including xEV
E409:2026 Automotive parts－Water-cooled Battery Thermal Plate －Perfomance test methods
T306:2026 Motorcycle―PVC tube for wiring harness―Test methods

Updated

D019:2026 EMC performance equivalence test of semiconductor for the vehicle
F124:2026 Automotive parts－Tapping screws for synthetic resin
M315:2026 Road vehicles－Automatic transmission fluids
M340:2026 Two-stroke-gasoline engine – Engine oils – Lubricity test procedure
M341:2026 Two-stroke-cycle gasoline engine – Engine oils - Detergency test procedure
M342:2026 Two-stroke cycle gasoline engine - Engine oils –Smoke test procedure
M343:2026 Two-stroke-cycle gasoline engine - Engine oils - Exaust system blocking test procedure
M345:2026 Two-stroke-cycle gasoline engine – Engine oils - Classifications
M349:2026 Road vehicles－Test method for anti-shudder performance of automatic transmission fluids

Added (TP)

TP26001:2026 Guidelines for Customer Notificaitons of EOL（End of Life） of Automotive Semiconductor devices
TP26002:2026 Guidelines for load dump testing methods for DC-DC converter power supply systems
TP26003:2026 The power state in OTA
TP26004:2026 The task study for standardization of Lithium-ion battery instead of Lead acid battery for auxiliary electronics
TP26005:2026 Sensitivity verification method for detectors in measuring solid particle number measurement systems for automobile exhaust gases