Jeep Cherokee (XJ): Fuel delivery system
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Fuel system > Fuel delivery system
- Description and operation
- Diagnosis and testing
- Service procedures
- Removal and installation
- Specifications
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PCM vin reprogramming
OPERATION
USE THE DRB SCAN TOOL TO REPROGRAM
THE NEW POWERTRAIN CONTROL MODULE
(PCM) WITH THE VEHICLES ORIGINAL IDENTIFICATION
NUMBER (VIN) AND THE VEHICLES
ORIGINAL MILEAGE ...
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 ...