Subject: Re: ZF transmission service guide Author: marko84 : member since August, 2011 : 11 posts Posted on: 2011-09-11 17:21:34

So far I haven't been able to move my car or should I say to activate the transmission. By analyzing the TCU connector I noticed some anomalies during the speed sensor test on the transmission itself on the brown and white wires. The brown wire (pin 8) with ground should display 500 kohms but I get nothing. The white wire (pin 27) which is connected on the connector with the brown wire (pin 8) should display 800 ohms to 1.6 Kohms and I get nothing. When I raised the rear end of the car and accelarated to 70 km/h I should have received a voltage of more than 3.5V on the brown (pin 8) and white (pin 27) wire but I got nothing. I suspect on the speed sensor on the transmission. How and in what way can I fool the TCM that my speed sensor is working? Can I do that by adding a resistor or by adding some power? I must state that it's impossible to change that sensor in my country and my car is immovable.

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