Test Procedures

Cruise Control System Isolation Test Chart 1:

Perform tests in isolation chart, Fig. 21. If results are incorrect perform tests under DIAGNOSTIC CHARTS, Do not press both the set switch and Resume/Accel position of cruise switch at same time with engine running. If quick checker displays a short light, release switches immediately.

NOTE: While performing the tests in the charts refer to the wiring diagrams and connector pin outs under Schematic Diagrams.