Jeep Cherokee 2000 Service Manual - page 493
AIRBAG CONTROL MODULE
WARNING:
•
THE AIRBAG CONTROL MODULE CONTAINS
THE IMPACT SENSOR, WHICH ENABLES THE SYS-
TEM TO DEPLOY THE AIRBAG. BEFORE ATTEMPT-
ING TO DIAGNOSE OR SERVICE ANY AIRBAG
SYSTEM OR RELATED STEERING WHEEL, STEER-
ING COLUMN, OR INSTRUMENT PANEL COMPO-
NENTS
YOU
MUST
FIRST
DISCONNECT
AND
ISOLATE
THE
BATTERY
NEGATIVE
(GROUND)
CABLE. THEN WAIT TWO MINUTES FOR THE SYS-
TEM CAPACITOR TO DISCHARGE BEFORE FUR-
THER SYSTEM SERVICE. THIS IS THE ONLY SURE
WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE
TO DO THIS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
•
NEVER STRIKE OR KICK THE AIRBAG CON-
TROL MODULE, AS IT CAN DAMAGE THE IMPACT
SENSOR OR AFFECT ITS CALIBRATION. IF AN AIR-
BAG
CONTROL
MODULE
IS
ACCIDENTALLY
DROPPED DURING SERVICE, THE MODULE MUST
BE SCRAPPED AND REPLACED WITH A NEW UNIT.
ALWAYS REINSTALL THE AIRBAG CONTROL MOD-
ULE PROTECTIVE COVER. FAILURE TO OBSERVE
THIS WARNING COULD RESULT IN ACCIDENTAL,
INCOMPLETE, OR IMPROPER AIRBAG DEPLOY-
MENT AND POSSIBLE OCCUPANT INJURIES.
REMOVAL
(1) Disconnect and isolate the battery negative
cable. If either of the airbags has not been deployed,
wait two minutes for the system capacitor to dis-
charge before further service.
(2) Remove the center floor console from the floor
panel transmission tunnel. Refer to Full Floor Con-
sole in the index of this service manual for the loca-
tion of the proper center floor console removal
procedures.
(3) Remove the console rear duct from the floor
panel transmission tunnel. Refer to Ducts And Out-
lets in the index of this service manual for the loca-
tion
of
the
proper
console
rear
duct
removal
procedures.
(4) Remove the three screws that secure the center
floor console rear mounting bracket to the floor panel
transmission tunnel.
(5) Remove the center floor console rear mounting
bracket from the floor panel transmission tunnel.
(6) Disconnect the instrument panel wire harness
connector from the Airbag Control Module (ACM)
(Fig. 12). To disconnect the instrument panel wire
harness connector from the ACM:
(a) Squeeze
the
two
connector
latch
tabs
between the thumb and forefinger.
(b) Pull the connector straight away from the
ACM connector receptacle.
(7) Remove the three nuts that secure the ACM to
the weld studs on the ACM mounting bracket on the
floor panel transmission tunnel.
(8) Remove the ACM from the ACM mounting
bracket on the floor panel transmission tunnel.
INSTALLATION
(1) Carefully position the ACM onto the ACM
mounting bracket on the floor panel transmission
tunnel. When the ACM is correctly positioned the
arrow on the ACM label will be pointed forward in
the vehicle.
(2) Install and tighten the three nuts that secure
the ACM to the weld studs on the ACM mounting
bracket on the floor panel transmission tunnel.
Tighten the nuts to 7.3 N·m (65 in. lbs.).
(3) Reconnect the instrument panel wire harness
connector to the ACM connector receptacle. Be cer-
tain that the connector latches are fully engaged.
(4) Position the center floor console rear mounting
bracket onto the floor panel transmission tunnel over
the ACM.
(5) Install and tighten the three screws that secure
the center floor console rear mounting bracket to the
floor panel transmission tunnel. Tighten the screws
to 1.1 N·m (10 in. lbs.).
Fig. 12 Airbag Control Module Remove/Install
1 – NUT AND WASHER (3)
2 – INSTRUMENT PANEL WIRE HARNESS CONNECTOR
3 – ACM MOUNTING BRACKET
4 – SCREW (4)
5 – AIRBAG CONTROL MODULE
8M - 12
PASSIVE RESTRAINT SYSTEMS
XJ
REMOVAL AND INSTALLATION (Continued)