Signal Usage

The Engine Speed Signal is connected to pin 67 of the Motronic control module, the signal is directional OUT only (PIN 67 - OUTPUT ONLY).

The engine speed signal is produced from information supplied to the Motronic control module by the engine speed sensor. This signal is used as engine speed information by the automatic transmission control module (TCM).

NOTE: This signal is simultaneously used by the tachometer for display of engine speed in rpm's.