Jeep Cherokee (XJ): Description and operation
FRAME AND BUMPERS
FRAME
DESCRIPTION
Jeep Cherokee vehicles do not have a conventional frame. They are constructed as a unitized body and frame. Jeep unibodies are constructed from special high strength steel and coated metals. This process reduces weight and provides strength to withstand the forces applied against structural members. The structural members provide a unibody that has great structural strength.
BUMPERS
DESCRIPTION
The bumpers on the Jeep Cherokee are made up of the main bumper beam, the end caps, air deflector (front bumper) and mounting brackets. Some Cherokee models also have a tow hook support bracket.
OPERATION
The bumpers are fastened to the unitized body frame rails. The bumper end caps are fastened to the bumper and the body side sheet metal.
Other materials:
High and low limits. Load value
High and low limits
OPERATION
The PCM compares input signal voltages from each
input device with established high and low limits for
the device. If the input voltage is not within limits
and other criteria are met, the PCM stores a diagnostic
trouble code in memory. Other diagnostic trouble
co ...


