Test H: Mechanical Shift on the Fly (MSOF) Functional Test

Pinpoint Test H: Mechanical Shift on the Fly (MSOF) Functional Test

Normal Operation

When operating in 4H or 4L, the transfer case and both integrated wheel ends (IWEs) are locked. When in 4X4 low (4L), the transfer case low range gear set provides an additional 2.64 gear reduction. When operating in 2H, the transfer case and both IWEs are unlocked.

This pinpoint test is intended to diagnose the following:

^ Transfer case and related components
^ IWE and related components
^ Wheel/tire assemblies

H1-H5:

H6-H10:

H11-H15:

H16-H19:

H20-H23: