Jeep Grand Cherokee WK. Manual — part 457
The EVIC control switches are used to operate the dif-
ferent functions of the EVIC system. Pressing and
releasing the MENU button (4) will change the mode
displayed to one of the Personal Settings. The STEP
button (3) is used to make a selection from the Per-
sonal Setting displayed at that time. Pressing and
releasing the C/T (compass/thermometer) button (1)
will cause the EVIC to return to the compass/ther-
mometer/trip computer display mode from any other
mode. From the compass/thermometer/trip computer
display mode the STEP button (3) is used to scroll
through and make selections in the Trip Functions.
Pressing and releasing the RESET button (2) resets
the trip computer screen displayed at that time.
Displays warnings and user interaction messages. Initial warnings will be displayed accompanied by a series of
audible beeps. Critical text warnings will be displayed until the failure is corrected. Non-critical text warnings will be
displayed for 60 seconds. The driver can scroll to view multiple messages by using the STEP button.
When the appropriate conditions exist, the EVIC displays the following messages:
KEY NOT PROGRAMMED — DAMAGED KEY
KEY NOT PROGRAMMED — INVALID KEY
KEY NOT PROGRAMMED — EXCEEDED KEY PROGRAM LIMIT
PROGRAMMING ACTIVE — NEW KEY PROGRAMMED
INVALID KEY — TRY ALTERNATE KEY
DRIVER/PASSENGER DOOR OPEN (with graphic)
LEFT/RIGHT REAR DOOR OPEN (with graphic)
X DOORS OPEN (with graphic)
LIFTGATE OPEN (with graphic)
LIFTGATE/DOOR OPEN (with graphic)
LIFTGATE/DOORS OPEN (with graphic)
LIFTGLASS OPEN (with graphic)
HOOD/DOOR OPEN (with graphic)
HOOD/DOORS OPEN (with graphic)
LIFTGATE/HOOD OPEN (with graphic)
HOOD/GLASS/DOOR OPEN (with graphic)
HOOD/GLASS/DOORS OPEN (with graphic)
HOOD/GATE/DOOR OPEN (with graphic)
HOOD/GATE/DOORS OPEN (with graphic)
LIFTGLASS/DOOR OPEN (with graphic)
LIFTGLASS/DOORS OPEN (with graphic)
LIFTGLASS/HOOD OPEN (with graphic)
OVERHEAD CONSOLE — SERVICE INFORMATION
Jeep Grand Cherokee WK. Manual — part 285
give the driver visual and audible warnings. The system can be turned OFF and ON with a disable switch located
in the upper instrument panel switch pod, in the the instrument panel center stack, just above the radio. The system
is enabled from the factory as a default.
The major components of the park assist system are:
Park Assist Module (3) — supplies voltage to the object detection sensors and park assist display. It triggers
the sensors, analyzes the echo delay times and calculates obstacle distances. It sends display information to
the park assist display, performs system diagnostics, and communicates via the Controller Area Network (CAN)
date bus network.
Park Assist Sensors (5) — there are four sensors located in the rear bumper that generate ultrasonic pulses
when triggered by the park assist module. The sensors signal the park assist module when reflected ultrasonic
pulses are received.
Park Assist Display (4) — there are sixteen Light Emitting Diode (LED) indicators which provide indication of
relative distance to obstacles. When the system is engaged and no obstacles are detected, the two outermost
yellow LED’s are lit at reduced brightness to show the system is working. As the distance to a detected obsta-
cle decreases, more yellow LED’s towards the center of the display illuminate.
Park Assist OFF Switch (2) — this is so the park assist system can be disabled/enabled if the system is not
desired (I.E. during off road use where large objects are common). When the system is disabled, the EVIC
display in the EMIC (1) will display “Park Assist Disabled”.
For diagnosis and testing of the park assist system, use a scan tool and the appropriate body diagnostic
information.
The chime warning system operates on battery voltage received through a fuse in the Junction Block (JB) on a
non-switched fused B(+) circuit so that the system may operate regardless of the ignition switch position. The chime
warning system also monitors the ignition switch position so that some chime features are functional only with the
ignition switch in the ON position, while others are functional regardless of the ignition switch position.
The chime warning system provides an audible indication to the vehicle operator or occupants under the following
conditions:
Airbag Indicator Warning — The ElectroMechanical Instrument Cluster (EMIC) transducer will generate one
short chime when the ignition switch is in the On position, and an electronic message is received over the
Controller Area Network (CAN) data bus from the Occupant Restraint Controller (ORC) requesting “Airbag”
indicator illumination. This warning will only occur following completion of the “Airbag” indicator bulb test, and
will only occur once during any ignition cycle.
Compass Mini-Trip Computer Global Reset — The EMIC transducer will generate one short chime when the
ignition switch is in the On position, and an electronic message is received over the CAN data bus from the
EVIC requesting that the average fuel economy, trip odometer and distance to empty data be reset. The EVIC
monitors hard wired inputs from the U.S./Metric and Reset button switches to determine the proper reset mes-
sages to send to the EMIC.
Door Ajar Indicator Warning — The EMIC transducer will generate one short chime when the ignition switch
is in the On position, a hard wired input is received indicating that the status of any door ajar switch has
changed, and an electronic message is received over the CAN data bus indicating that the vehicle is moving.
Fasten Seat Belt Indicator Warning — The EMIC transducer will generate repetitive chimes at a slow rate to
announce that a hard wired input from the seat belt switch indicates that the driver side front seat belt is not
fastened with the ignition switch in the On position. The chime warning system also supports the enhanced
seat belt reminder (beltminder) when this feature is enabled. (Refer to 8 — ELECTRICAL/INSTRUMENT CLUS-
TER/SEAT BELT INDICATOR — OPERATION).
Gate Ajar Indicator Warning — The EMIC transducer will generate one short chime when the ignition switch is
in the On position, a hard wired input is received indicating that the status of the liftgate ajar switch has
changed, and an electronic message is received over the CAN data bus indicating that the vehicle is moving.
Head/Park Lamps-On Warning — The EMIC transducer will generate repetitive chimes at a fast rate to indi-
cate that hard wired inputs from the driver door ajar switch, the headlamp switch, and the ignition switch indi-
cate that the exterior lamps are turned On with the driver side front door opened and the ignition switch in the
Off position. The chimes will continue to sound until the exterior lamps are turned Off, the driver side front door
is closed, or the ignition switch is turned to the On position, whichever occurs first.
CHIME/BUZZER — SERVICE INFORMATION