Test H: Torque on-Demand Functional Test

Pinpoint Test H: Torque On-Demand Functional Test

Test H1-H2:

Test H3-H11:

Test H12-H20:

Test H21-H28:

NOTE: 4x4 high low (4H/4L) is not intended for driving on hard/dry surfaces.

Normal Operation
When operating in 4-wheel drive, the transfer case and both 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 2WD, the transfer case and both IWEs are unlocked.

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