A short video of me replacing the faulty clutch position sensor on my Volvo C70. The part number is 9472979. For me, the fault produced an OBD error code of P0805 (clutch position sensor circuit). The fault does not create an error warning light on the dashboard, it has to be read using an OBD reader. The bluetooth OBD diagnostic plugins will read this code, and many others, and are available for a few pounds on ebay. I use the "torque" android app, which works well for me. The main symptom of this fault, is that the cruise control stops working, and it does make the car a little jerky when applying the throttle pedal from low revs. The resistance readings from the new part were in the range 200 ohms from clutch pedal depressed fully, to 3000 Ohms when released. The faulty part was 400 Ohms to 5000 Ohms. It may be possible to attach or parallel another resistor in the circuit to change the readings that would work, but thats for someone else to work out?
To see how to fix this sensor for pence, watch my other video: • Fix Volvo Clutch posit...
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