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The mkiv Supra Owners Club

Speed Sensor Query


milocoon

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Hi I have a J-Spec TT Auto and have found a few electrical diagrams.

Can someone confirm or hopefully correct my interpretations.

 

From the auto gearbox the speed sensor finds its way up to the speedometer head, on its way up to here it tees off to the ECU in the passenger footwell (or is somewhere else in the loom?).

 

 

From the speedometer head it travels to the odometer module and then the odometer module outputs an identical signal to cruise control, active spoiler, pps (where is the pps ecu located?) and aircon (where is the aircon ecu located?)

 

The reason I`m asking is I want to check the wiring for my car which has been converted from km/hr to m/hr. I know so far that a speed converter is fitted and just need to understand the original wiring, everything apart from my active spoiler is working okay AFAIK.

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Guest Garfy

If you find out can you let me know, I am trying to connect up an Active spoiler, and the part of the loom behind the dash isnt there, so I need to find this and something called a combination meter.

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