2002 JEEP GRAND CHEROKEE Message

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Page 493 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual data bus messages are being received for initial oper-
ation. Initiate the self-diagnostic test as follows:
(1) With the ignition switch in the Off position,
simultaneously depress and hold the C/T bu

Page 494 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual NOTE: If the vehicle is equipped with the Tire Pres-
sure Monitoring (TPM) System, and the overhead
console electronics module is removed or replaced,
the TPM system will need to be retrained. Refer t

Page 495 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual AMBIENT TEMP SENSOR
DESCRIPTION
Ambient air temperature is monitored by the Elec-
tronic Vehicle Information Center (EVIC) through
ambient temperature messages received from the
Body Control Module (B

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (2) Locate the ambient temperature sensor, on the
right side of the radiator opening in the headlamp
mounting module, behind the grille (Fig. 6).(3) Remove the radiator grille fascia and insert
from t

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual This vehicle also offers several customer program-
mable features, which allows the selection of several
optional electronic features to suit individual prefer-
ences. (Refer to 8 - ELECTRICAL/OVERHEA

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual the engine compartment. This relay can be energized
by the BCM to sound the horns as an audible alert
for the RKE panic function and, if the Sound Horn
on Lock programmable feature is enabled, as an
a

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual See the owners manual in the vehicle glove box for
more information on the features, use and operation
of the power lock system.
OPERATION - REMOTE KEYLESS ENTRY
SYSTEM
The Passenger Door Module (PDM

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ²If the power lock system functions with the RKE
transmitter, but not with one or both power lock
switches, proceed to diagnosis of the door modules.
(Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MOD