DIY Cruise Control on 07-08 Yaris (step by step)

[sheraz2000]

Originally Posted by CTScott

Those three wires are for the steering wheel audio controls. If a Yaris is wired for them, then it definitely does not have Cruise Control. Based on the wiring diagrams, areas that have steering wheel radio controls do not have cruise control and areas that have cruise control do not have steering wheel radio controls.

but, my steering wheel doesnt have any radio controls. can i do the CC still, using the pin 40 method and using the black wire ?? (while ignoring the rest of the cables) ???