Year of Manufacture *: 2001
Hoping someone can give me some guidance on this.
As subject line speedo is inoperative and also there is no vehicle speed in engine live data (Code also stored for vehicle speed). I understand this is transmitted to the PCM from the instrument cluster.
The vehicle has Wabco ABS which transmits a square wave to pin 11 C1289 on the Becm, this signal is consistent and varies in frequency with speed. Pin 16 C1280 is the link to the cluster but I am unsure on the Range Rover if this is a positive square wave out to the cluster or if it is a negative switch of a signal from the cluster? There is no signal on this wire, the wire has been load tested for voltage drop / short and the connections are clean and dry.
Many thanks
Steve
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