Glossary Of Terms - DaimlerChrysler Jeep Grand Cherokee 2002 Service Manual

6.0 GLOSSARY OF TERMS

A/C air conditioning
APP accelerator pedal position (sensor)
ASD automatic shut down
backfire, fuel ignites in either the intake or
popback the exhaust system
BCM body control module
BP boost pressure (sensor)
CKP crankshaft position (sensor)
CMP camshaft position (sensor)
cuts out, a steady pulsation or the inability of
misses the engine to maintain a consistent
rpm
DLC data link connector
detona- a mild to severe ping, especially un-
tion, der loaded engine conditions
spark
knock
ECM engine control module
ECT engine coolant temperature (sensor)
EGR exhaust gas recirculation
(solenoid/valve)
hard the engine takes longer than usual
start to start, even though it is able to
crank at normal speed.
GENERAL INFORMATION
IAT intake air temperature (sensor)
lack of the engine power output has been
power, reduced
sluggish
MAF mass air flow (sensor)
MIL malfunction indicator lamp
ms millisecond(s)
PDC power distribution center
poor fuel there is significantly less fuel mile-
economy age than other vehicles of the same
design and configuration
runs the engine runs unevenly at idle
rough/ causing the engine to shake if it is
unstable severe enough
idle
S/C speed control
SCI standard corporate interface
SKIM sentry key immobilizer module
SKIS sentry key immobilizer system
start and The engine starts but immediately
stall dies (stalls)
surge engine rpm fluctuation without cor-
responding change in accelerator
pedal position
SRC signal range check
WIF water in fuel (sensor)
VSS vehicle speed sensor
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