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
...
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:
Power grounds. Power steering pressure switch-
pcm input. Sensor return-pcm input
Power grounds
OPERATION
The Powertrain Control Module (PCM) has 2 main
grounds. Both of these grounds are referred to as
power grounds. All of the high-current, noisy, electrical
devices are connected to these grounds as well as
all of the sensor returns. The sensor return comes
into the senso ...


