Chris Whistler

1996 Legacy L speedo fault

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My speedo has just stopped working. The speed sensor 2 (on passenger front wheel) gives a voltage and when I bypass the harness the speedo works but is giving a speed about 5 times actual. The circuit diagrams show direct connection of speed sensor 2 to the instrument cluster. Does anyone know if the speed sensor 2 pulses get processed in another module (eg ECU)?

Thanks for any help

Chris
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  1. rkrenicki's Avatar
    There is a circuit board on the back side of the speedometer that brings that signal down to a usable level. The cluster (and that circuit board) output the normalized speed signal back to the ECU.