2002 JEEP GRAND CHEROKEE Time

[x] Cancel search: Time

Page 413 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (Fig. 25). There will not be evidence of electrode
burning. Gap growth will not average more than
approximately 0.025 mm (.001 in) per 3200 km (2000
miles) of operation.
Spark plugsexcept platinum tip

Page 418 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop 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

Page 419 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OPERATION
The ElectroMechanical Instrument Cluster (EMIC)
is designed to allow the vehicle operator to monitor
the conditions of many of the vehicle components and
operating systems. The gauges and in

Page 421 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual The VFD is diagnosed using the EMIC self-diag-
nostic actuator test. (Refer to 8 - ELECTRICAL/IN-
STRUMENT CLUSTER - DIAGNOSIS AND
TESTING). Proper testing of the PCI data bus and
the data bus message

Page 422 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual an input from the auto headlamp light sensor to
determine the ambient light levels. If the BCM
decides that the exterior lighting is turned on in the
daylight, it overrides the selected panel dimmer
s

Page 428 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (2) Reconnect the instrument panel wire harness
connector for the instrument cluster to the connector
receptacle on the back of the instrument cluster
housing (Fig. 7).
(3) Position the lower mounting

Page 429 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual tor will be turned on for the duration of the test to
confirm the functionality of the bulb and the cluster
control circuitry.
²ABS Diagnostic Test- The ABS indicator is
blinked on and off based upon

Page 430 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual Diagnostic Trouble Code (DTC) for any malfunction it
detects. Each time the airbag indicator fails to illu-
minate due to an open or short in the cluster airbag
indicator circuit, the cluster sends a