Agar aap apni gaadi ki fuel system ko samajhna chahte hain, toh fuel pump circuit ek important part hai jo fuel ko engine tak pahunchane ka kaam karta hai. Lekin jab secondary circuit ki baat aati hai, toh kaafi log confuse ho jaate hain ki yeh kahan located hoti hai aur iska kaam kya hai.
Sabse pehle yeh samajhna zaroori hai ki fuel pump ka electrical system do main circuits mein divided hota hai: primary circuit aur secondary circuit. Primary circuit directly ignition switch se connected hota hai jo fuel pump relay ko activate karta hai. Lekin secondary circuit ka role isse thoda alag hota hai.
Secondary Circuit Ki Location
Fuel pump secondary circuit normally fuse box ke andar ya ECU (Engine Control Unit) ke paas hoti hai. Yeh engine bay ya phir cabin ke andar bhi ho sakti hai, jo vehicle ke model aur design pe depend karta hai. Modern gaadiyon mein yeh circuit fuel pump relay aur power control module (PCM) ke through operate hoti hai, jisme sensors aur wiring harness bhi included hote hain.
Kahi baar, secondary circuit ka ek part inertia switch se bhi connected hota hai jo accident ya kisi heavy impact ke case mein fuel supply ko band kar deta hai taaki kisi tarah ki fire hazard na ho. Agar aapko fuel pump related koi dikkat ho rahi hai, toh secondary circuit ka fuse, relay aur wiring zaroor check karni chahiye.
Secondary Circuit Ka Kaam
Yeh circuit fuel pump ko proper voltage supply dene ke liye responsible hoti hai. Jab aap ignition switch on karte hain, toh fuel pump relay activate hoti hai jo secondary circuit ke through fuel pump ko power supply deti hai. Iska kaam sirf fuel pump ko current dena hi nahi hota, balki pressure regulation aur safety functions bhi handle karna hota hai.
Agar kabhi fuel pump kaam karna band kar de ya engine crank ho par start na ho, toh sabse pehle secondary circuit ko diagnose karna chahiye. Kahi baar wiring loose ya damaged hoti hai jo power supply disrupt karti hai.
Isliye, agar aapki gaadi mein fuel supply ki dikkat ho rahi hai, toh secondary circuit ke fuse, relay aur wiring connections ko check karna ek zaroori step hai. Yeh circuit chhoti si cheez lag sakti hai, par gaadi ke smooth operation ke liye bahut zaroori hoti hai.