Hi list, Week before... I dissected Idle Stabilizer Control Unit (VW 251-907-393B). The one condenser and one transistor were burned. I don't know why part was burned. I ordered that parts to the friend. He is the engineer of SONY. He delivered that parts to me yesterday. I attached that parts to ISCU. Work was finished in 10 minutes. Westy's idle is stable now (about 950rpm). But, when A/C works, transistor becomes very hot. Which Westy has this heat, too? I don't trust this unit. Because, I don't make the cause that unit was burned clear. Anyone can explain to me the symptoms of this transistor ? Anyone have the Semiconductor diagram of this unit? I want to search this unit. ISC valve (025 906 457A) is new. If I can't solve this problem, I will attach CPU-Cooler to the transistor. I am familiar with Westy's troubles little by little. It's Fun!! (^_^) Pix http://members.aol.com/winpai/ISCU01.jpg http://members.aol.com/winpai/ISCU02.jpg TIA.. Yosh@87Westy dolphin@mars.netspace.or.jp Good Japanese, Poor English! SPL THANKS to: GS, DR, DB, KW..
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