Ok guys am new to this forum and i really need your help with my project. Am working on a Acura TL car and am changing the gearbox from automatic to manual. The problem am having is tricking the ecu into thinking that the car has the original transmission. the auto gearbox has 2 hall effect sensors (one to measure the counter shaft speed and the other to measure the main shaft speed). Based on these 2 sensors the ecu could detect the gear ratios and calculate the car's speed. The manual gear box has the same 2 sensors but different gear ratios and the ecu detects that and throws a code. "incorrect gear ratio". the main shaft speed sensor gives a signal to the ecu and the counter shaft speed sensor gives a signal as well but at a different time depending on the gear . if i could hook up a scope and get the wave form of these 2 sensors, is there a way i could stimulate these pulsing waves and trick the ecu? Also i only need 1 gear ratio as i could set the range sensor form the automatic transmission into 1st gear and the car would think its into 1st gear all the time. i need these wave form frequency to move with the engine's rpm. The higher the engine revs, the faster the pulsing frequencies would generate and vise versa. Please help me with this. Any help would be appreciated. Thanks in advanced