Test O: Electronic Shift-On-The-Fly (ESOF) Functional Test
Pinpoint Test O: Electronic Shift-On-The-Fly (ESOF) Functional TestNormal Operation
When operating in 4X4 High, the transfer case and both pulse vacuum hubs (PVH) are locked. When in 4X4 Low, the transfer case low range gear set provides an additional 2.72 gear reduction. When operating in 2WD, the transfer case and both PVHs are unlocked.
This pinpoint test is intended to diagnose the following:
^ Transfer case and related components
^ PVH and related components
^ Wheel/tire assemblies
