Jeep Cherokee (XJ): Specifications
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Starting systems > Specifications
STARTING SYSTEM
STARTING SYSTEM
The following components of the starting system
should be carefully inspected whenever any starting
system problem is encountered.
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS,
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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 ...