October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

A/C Request

The A/C Request represents whether air conditioning is being requested from HVAC selector. The input is received by instrument panel cluster and then sent over Universal Asynchronous Receiver Transmitter (UART) serial data to Powertrain Control Module (PCM)/Engine Control Module (ECM) and finally to scan tool over class 2 serial data.