48re Throttle Valve Actuator Wiring Diagram. Check the k312 ttva position sensor signal circuit for an open 1. The ttva is mounted on the case above the throttle valve shaft and has a dc motor that is controlled by the ecm and two potentiometers as inputs to the ecm.
For the first version the wiring diagrams are not very accurate or even do not exist so you would have to identify the correspondence of edc pins 6 26 and 45 to the throttle valve pins. Front pump body bushing. Engine and the 48re transmission received an electronically controlled transmission throttle valve actuator ttva as shown in figure 7 for improved shift control.
In both connection versions the pin 59 of edc corresponds to pin 1 of the throttle valve which is the pilot signal of the valve or pwm control signal.
The transmission throttle valve cable has been replace by the transmission throttle valve actuator ttva. 48re throttle valve actuator wiring diagram. Wiring diagram ac window in 2021 diagram air conditioner wire. Front pump body bushing.