Jeep Cherokee (XJ): Starting systems

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Starting system DESCRIPTION An electrically operated engine starting system is standard factory-installed equipment on this model. The starting system is designed to provide the vehicle operator ...

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 ...