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  #1  
Old 04-05-2001, 05:57 PM
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I have had a fault with ASD light on. I was advised to check the overvolt relay fuse and it was blown . Now Ive replaced it the but light is still on. Does this have to be reset electronically ,if so, how can I do it myself?
The car is a 300CE 24v w124
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Old 04-05-2001, 06:38 PM
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IF there is a fault(code) in the system it must be scanned & the fault must be repaired. Then the code can be erased.
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Old 04-06-2001, 02:57 AM
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I understand this but how can I reset the fault code without going to the expense of booking the car into a main dealer .Can you for example disconnect the battery for several hour s or short out pins on the diagnostic connector etc.
This is an old system so ther must be some volatility in the fault memory . How is this backed up , a lithium cell? capacitor? or perhaps a relay is latched.
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