EV TECHNICIAN TRAINING
Controller, Throttle & Brake Cut-off
Throttle, brake cut-off, key signal aur controller fault ki jaanch.
What You Will Learn
Controller ko seedha kharab maanne ke bajay uske input aur signal ko jaanchkar fault dhundhein.
1
Throttle ki Jaanch
Race dene par signal kaise badalta hai
Kai throttle me teen main wire hote hain: supply, ground aur signal.
Kai systems me throttle supply lagbhag 5V hoti hai.
Signal ko ground ke muqable measure karein.
Throttle chhodne par signal kam voltage par aur ghumane par zyada voltage par ja sakta hai.
Signal ka badalna smooth hona chahiye.
Exact voltage range vehicle ke anusaar alag ho sakta hai.
Practical Tip:
0.8V se 4.2V ko har gaadi par laagu hone wala fixed rule na maanein.
2
Brake Cut-off
Brake lagane par motor kyun rukti hai
Brake cut-off ek safety feature hai.
Brake dabane par controller ko motor rokne ka signal mil sakta hai.
Kuch systems me low-level signal aur kuch me high-level signal use ho sakta hai.
Brake switch kharab ya atka ho to controller lagatar brake laga hua samajh sakta hai.
Vehicle ki wiring dekhkar signal ki jaanch karein.
Practical Tip:
Brake sensor ko hamesha ke liye bypass karna safety feature ko khatam kar sakta hai.
3
Key Lock aur Ignition Signal
Battery judi hai phir bhi controller ON kyun nahi?
Kai controllers me main battery power ke alawa alag key/enable signal hota hai.
Key ON karne par controller ko uchit enable signal milna chahiye.
Key switch, connector ya wire kharab hone par controller ON nahi ho sakta.
Main battery voltage maujood hone ka matlab ye nahi ki controller bhi ON hai.
Practical Tip:
Main battery power aur key/enable signal ko alag-alag samjhein.
4
Controller kab Badlein?
Bina test ke naya controller na lagayein
Battery ka voltage controller tak pahunch raha hai ya nahi jaanchein.
Key/enable signal jaanchein.
Throttle supply aur signal jaanchein.
Brake signal jaanchein.
Motor phase aur hall wiring jaanchein.
Agar baaki saari cheezein sahi hain aur controller apekshit output nahi de raha, tabhi controller fault par vichar karein.
Practical Tip:
Controller replacement ko diagnosis ka pehla nahi, aakhri kadam rakhein.
Practical Checklist
Controller input voltage jaanchein.
Key/enable signal jaanchein.
Throttle supply aur signal jaanchein.
Brake signal jaanchein.
Phase aur hall connection jaanchein.
Safety First
Controller ke mote power wire par kaam karne se pehle battery power disconnect karne ki zaroorat vehicle procedure ke anusaar sunishchit karein.
Module Complete?
Checklist complete karne ke baad next module par move karein.
Training information is for general diagnostic learning. Always follow the vehicle and component manufacturer's specifications.