Jeep Cherokee (XJ): Diagnosis and testing
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Instrument panel systems > Diagnosis and testing
- Instrument cluster
- Instrument panel cigar lighter. Cigar lighter relay. Instrument panel power outlet
Instrument panel system
DESCRIPTION
The instrument panel serves as the command center
of the vehicle, which necessarily makes it a very
complex unit. The instrument panel is designed to
house the ...
If all of the gauges and/or indicator lamps are inoperative,
perform the Preliminary Diagnosis. If an
individual gauge or Chrysler Collision Detection
(CCD) data bus message-controlled indicator la ...
Other materials:
CCD bus (+/-) circuits-pcm outputs. Data link connector-pcm input and
output. Fuel injectors-pcm output
CCD bus (+/-) circuits-pcm outputs
OPERATION
The Powertrain Control Module (PCM) sends certain
output signals through the CCD bus circuits.
These signals are used to control certain instrument
panel located items and to determine certain identification
numbers.
Refer to Group 8E, Instrumen ...


