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

Separator Pulse Description

Fig. 28 Self-test code output format. Separator pulse:





A single 1/2 second separator pulse is issued 6 - 9 seconds after the last functional test code (Key ON/Engine OFF only). Then 6 - 9 seconds after the single 1/2 second separator pulse, the continuous codes will be issued, Fig. 28.