Jeep Cherokee (XJ): Electrically heated systems
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Electrically heated systems
- Rear window defogger system
- General information. Description and operation. Diagnosis and testing
- Service procedures. Removal and installation
- Heated seat system
PASSIVE RESTRAINT SYSTEMS
Puller C-3428-B ...
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 ...