Ecu JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual

JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual GRAND CHEROKEE 2002 WJ / 2.G JEEP JEEP https://www.carmanualsonline.info/img/16/7175/w960_7175-0.png JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO ELECTRICAL, RESTRAINTS
BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, OR INSTRUMENT PANEL
COMPONENT DIAGNOSIS OR SERVICE. FAILURE
TO TAKE

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual HORN SWITCH
DESCRIPTION
A center-blow, normally open, resistive membrane-
type horn switch is secured in a plastic tray that is
inserted in a pocket sewn on the front of the driver
side airbag retaine

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual OPERATION
Battery voltage is supplied to the 8 ignition coils
from the ASD relay. The Powertrain Control Module
(PCM) opens and closes each ignition coil ground cir-
cuit at a determined time for igni

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual INSTRUMENT CLUSTER
DESCRIPTION
The instrument cluster for this model is an Elec-
troMechanical Instrument Cluster (EMIC) module
that is located in the instrument panel above the
steering column openin

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual EMIC also uses several hard wired inputs in order to
perform its many functions. The EMIC module incor-
porates a blue-green digital Vacuum Fluorescent Dis-
play (VFD) for displaying odometer and trip

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual certain conditions or inputs to provide the vehicle
operator with an audible alert to supplement a visual
indication.
The EMIC circuitry operates on battery current
received through fused B(+) fuses i

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual (3) While still holding the odometer/trip odometer
switch button depressed, turn the ignition switch to
the On position, but do not start the engine.
(4) Release the odometer/trip odometer switch but-

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual (5) Pull the upper mounting tabs of the instrument
cluster downward, then pull the instrument cluster
rearward far enough to access the instrument panel
wire harness connector for the instrument clust

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual (2) Remove the instrument cluster from the instru-
ment panel. (Refer to 8 - ELECTRICAL/INSTRU-
MENT CLUSTER - REMOVAL).(3) On models with a premium cluster only, discon-
nect the electro-luminescent

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual WARNING: ON VEHICLES EQUIPPED WITH THE
PREMIUM INSTRUMENT CLUSTER, THE CLUSTER
CIRCUITRY PROVIDES AN ALTERNATING CURRENT
TO SUPPLY POWER TO THE ELECTRO-LUMINES-
CENT ILLUMINATION LAMP THROUGH A PIGTAI