Jeep Cherokee (XJ): Frame and bumpers

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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 s ...

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Circuit actuation test mode. Diagnostic trouble codes. Diagnostic trouble code descriptions
Circuit actuation test mode OPERATION The Circuit Actuation Test Mode checks for proper operation of output circuits or devices the Powertrain Control Module (PCM) may not internally recognize. The PCM attempts to activate these outputs and allow an observer to verify proper operation. Most o ...