Tests how components adapt as temperatures shift predictably over hours.
JASO D0147 covers high-voltage cables for hybrids and EVs. D0144 is strictly for low-voltage (12V/24V systems). Do not mix them up.
Disclaimer: This article is for informational purposes. All standards are the property of their respective issuing bodies (JSAE). Always purchase official documents to ensure you have the correct and most current version.
If you are searching for the , this comprehensive guide details what this specific sub-standard covers, its alignment with international benchmarks, the key test methods it mandates, and how engineers utilize it to guarantee component reliability. 1. What is JASO D014-4? jaso d0144 pdf
JASO D014-4 was established to harmonize Japanese domestic standards with international ISO 16750-4 Full Series:
If you suspect counterfeit wire, use the PDF's test methods:
Understanding JASO D0144: The Standard for Automotive Wiring Harness Connectors Tests how components adapt as temperatures shift predictably
Samples are subjected to harmonic vibration (e.g., ) to ensure resistance to operating environments.
: Simulates slow ambient temperature changes to check for electrical malfunctions during cooling. Rapid Temperature Change (5.3.2)
The Society of Automotive Engineers of Japan sells digital and print copies directly on their official website. Do not mix them up
If you are hunting for the , you likely need raw data. Here is a breakdown of the core technical tables you will find inside the document.
Legitimate, certified copies of the standard in both Japanese and English translation can be searched and purchased directly via the JSAE Web Store.
Not directly. Marine environments require tinned copper and different moisture resistance. The PDF specifically states "automotive use."
: Evaluates resistance to condensation and high-humidity environments, which can lead to electrical shorts or corrosion. Salt Spray & Corrosion