Speed Sensor Signal
07-20-04, 10:52 AM
#1
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Speed Sensor Signal
What do our 2nd gen cars use for a vehicle speed sensor signal? Is it a 2 pulse per rotation or 4 pulse per rotation signal (2000 pulses per mile or 4000 pulses per mile)? Also is it square wave DC signal, or Sine-wave AC signal. I need to know to adapt to a different ECM. Thanks. Dave C.
07-20-04, 12:33 PM
#3
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I think he's refering to the speed signal that is used by the Cruise Control Unit, maybe. If I remember right the series five FSM, which I don't have, shows the wave forms somewhere in the front of the fsm. Under trouble shooting of some sort.
07-20-04, 12:40 PM
#4
Former Moderator. RIP Icemark.
The speed signal is coming from the gauges and goes to the Cruise control, antilock and power steering computers.
I thought it was 1026 per mile, but I don't have the information in front of me right now to confirm that.
I thought it was 1026 per mile, but I don't have the information in front of me right now to confirm that.
07-20-04, 12:56 PM
#5
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I never nit pick. But my manual says From A/T Control Unit....From Cruise Control Unit....From Power Steering Unit......From A.A.S Control Unit I might jpg a snap shot of the meter when connected to the Cruise Control wire, Green/Red, tomorrow if I have time.
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