VIAS System & Component Testing (Pathfinder)
For VIAS system diagnostic procedure, see Fig 1-Fig 9 .
For engine control system component locations, see Figure-Figure . For ECM location, connector and terminal view, see Fig 10. To identify circuits referenced in testing, see ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article in ELECTRICAL. For removal and installation of components, see appropriate REMOVAL & INSTALLATION article.