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:
Modes of operation
OPERATION
As input signals to the Powertrain Control Module
(PCM) change, the PCM adjusts its response to the
output devices. For example, the PCM must calculate
different injector pulse width and ignition timing for
idle than it does for wide open throttle (WOT).
The PCM will operate in two ...