Jeep Cherokee (XJ) 1984 - 2001 Service Manual

Jeep Cherokee (XJ) 1984 - 2001 Service Manual

Previous pageDepartment of transportation uniform tire quality grades

The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire's manufacturer in each category is shown ...

Other materials:

Powertrain control module (PCM)
DESCRIPTION The Powertrain Control Module (PCM) is located in the engine compartment (Fig. 1). The PCM is referred to as JTEC. OPERATION The PCM operates the fuel system. The PCM is a pre-programmed, triple microprocessor digital computer. It regulates ignition timing, air-fuel ratio, emis ...