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997 sports chrono package problem

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Hello everyone, My name is Philip and I have a porsche 997 carrera s with sports chrono package. The car was running perfectly until one day the sports chrono watch on the dash board just stoped. I went to the official porsche service but they couldn't find anything. I tried to change the watch from my buddy's car but it didn't work either. I have checked the plug from the car and i found that has communication with the PCM. I also tried my friend's PCM but nothing. Does anyone know if there is a control unit that cooperates with the sports chrono or have you a wiring diagram that may help? Please feel free to post any comment. Everything you write may be helpfull! Thank you in advance!

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  • 3 weeks later...

The Sport Chrono is controlled by the trip computer stalk and only operates when it is activated / turned on at the stalk. If you are actuating it from the stalk and neither your chrono nor your friends workes I'd check to see if you are getting power to the chrono when you active it. If not next step would be fuse panel than possibly a faulty control relay.

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