Initial Inspection and Diagnostic Overview

1. Make sure all mechanical components are operative before diagnosing electrical portion of four-wheel drive system.
2. To determine whether vehicle is in two-wheel drive or four-wheel drive, lift it up so wheels can spin freely.
3. Check to see that 4WD and panel LPS fuses are not blown. If blown, locate and repair source of overload and replace fuse.
4. While performing the following diagnostic procedures, Ignition Switch must be in RUN and 4WD Control Lever must be in 4WD ENGAGED position.