Powertrain Management: Description and Operation

CIRCUIT OPERATION
The following inputs are used by the Transmission Control Module (TCM) to determine proper vehicle shift points.
- Circuit K22 is used to provide the TCM with the throttle position
- Circuit K4 is used to provide the throttle position sensor ground to the Powertrain Control Module (PCM)
- Circuit K24 is used to provide the TCM with the engine speed input