Speedometer malfunction. Unsure if sensor, ecu or cluster. on 1995 Toyota Corolla

If I turn on the key without starting the engine, the speedometer will slowly move to the right until it pegs out. Engine is not giving any error codes, so I don't think it's the sensor. Sensor, ECU or Cluster? Any ideas?

by in Plano, TX on September 04, 2012
1 answer
ANSWER by on September 04, 2012
Most likely cluster problem.

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