2002 JEEP GRAND CHEROKEE engine

[x] Cancel search: engine

Page 447 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual Control Module (PCM) over the Programmable Com-
munications Interface (PCI) data bus. The tachome-
ter is an air core magnetic unit that receives battery
current on the instrument cluster electronic c

Page 450 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ing the system voltage is high (system voltage is
about sixteen volts or higher), the gauge needle is
moved to the relative voltage position in the red zone
of the gauge scale and the check gauges ind

Page 451 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual inputs to the instrument cluster that control the
wait-to-start indicator, a DRBIIItscan tool is
required. Refer to the appropriate diagnostic infor-
mation.
WATER-IN-FUEL INDICATOR
DESCRIPTION
A wate

Page 460 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual Turn signal inputs that actuate the combination
flasher are low current grounds, each drawing a
maximum of 300 milliamperes.The hazard warning
signal input is a low current ground drawing a max-
imum

Page 463 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING Ð HEADLAMP
SYSTEM
HEADLAMPS
CONDITION POSSIBLE CAUSES CORRECTION
HEADLAMPS ARE DIM
WITH ENGINE IDLING1. Loose or corroded battery cables. 1. Clean and secu

Page 464 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CONDITION POSSIBLE CAUSES CORRECTION
3. Faulty headlamp switch. 3. Refer to BCM diagnostics.
4. Blown fuse for headlamps. 4. Replace fuse refer to Electrical, Wiring
Information.
5. Broken connector t

Page 490 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual for door and liftgate open indications and to show if a
turn signal has been left on. The EVIC messages and
displays are coordinated with warning indicators in
the instrument cluster to avoid duplicat

Page 491 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual messages. The EVIC module uses its internal pro-
gramming and all of its data inputs to calculate and
display the requested data. If the data displayed is
incorrect, perform the self-diagnostic tests