FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Description







CIRCUIT DESCRIPTION
The vehicle speed sensor outputs a 4-pulse signal for every revolution of the transmission output shaft. After this signal converted into a more precise rectangular wave form by the wave form shaping circuit inside the combination meter, it is then transmitted to the Engine Control Module (ECM).