Jeep 1996 Grand Cherokee Service Manual page 455

8U - 2 CHIME/BUZZER WARNING SYSTEMS
DESCRIPTION AND OPERATION (Continued)
• Rolling door locks
• Horn chirp upon door lock with remote keyless
entry (programmable)
• Low fuel warning chime (programmable)
• Headlights on with wipers (programmable - with
automatic headlamps only)
The BCM provides chime service to the instrument
cluster and the vehicle information center, in addi-
tion to its own chime functions.
The BCM is mounted under the left end of the
instrument panel, behind the instrument panel sup-
port armature and below the left switch pod. For
diagnosis of the BCM or the CCD data bus, refer to
the proper Body Diagnostic Procedures Manual. The
BCM can only be serviced by an authorized repair
station. Refer to the Warranty Policies and Proce-
dures Manual for a listing of authorized repair sta-
tions.
BODY CONTROL MODULE INPUTS
In addition to CCD data bus chime requests and
inputs, the BCM receives inputs from many hard-
wired switches to perform its many functions and
provide so many features. Some of the hard-wired
inputs used by the BCM for its chime functions
include:
• Door, hood, liftgate, and liftglass ajar switches
• Driver's seat belt switch
• Headlamp switch
• Ignition switch
• Ignition key cylinder switch.
The BCM is mounted under the left end of the
instrument panel, behind the instrument panel sup-
port armature and below the left switch pod. Refer to
Group 8E - Instrument Panel Systems for removal
and installation procedures. For diagnosis of the
chime warning system, use of a DRB scan tool and
the proper Body Diagnostic Procedures Manual are
recommended.
Testing and service procedures for the various
switches used in the chime warning system can be
found in other groups of this service manual as fol-
lows:
• Door, hood, liftgate, and liftglass ajar switches -
refer to Group 8Q - Vehicle Theft/Security Systems
• Ignition switch and ignition key-in switch - refer
to Group 8D - Ignition Systems
• Headlamp switch - refer to Group 8E - Instru-
ment Panel Systems
• Driver's seat belt switch - refer to Group 23 -
Body Components.
ZJ