REMOVAL AND INSTALLATION
JUNCTION BLOCK (JB)
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
The Junction Block and Body Control Module
(BCM) are attached to each other. After removal,
they can be separated. The Junction Block/BCM
assemblies are located on the driver’s side of the
vehicle.
(1) Open hood and disconnect the negative battery
cable remote terminal from the remote battery post
(Fig. 3).
(2) Open the front driver’s door and remove left
end cap.
(3) Remove two screws from lower instrument
panel cover (outside end). Pull rearward on lower
instrument panel cover releasing clips. Disconnect
decklid release switch wiring, cable to hood release,
and remove cover from vehicle.
(4) Remove left knee blocker.
(5) Remove under column ducts.
(6) Remove Junction Block/BCM four mounting
screws.
(7) Remove wire harness connectors from Junction
Block/BCM.
(8) Remove Junction Block/BCM.
(9) Disconnect BCM wire connectors and RKE
antenna connector.
(10) Remove Junction Block/BCM from vehicle.
INSTALLATION
For installation, reverse the above procedures.
Ensure that the wire terminals and connectors are in
good condition and connectors are properly installed.
POWER DISTRIBUTION CENTER
The Power Distribution Center (PDC) is serviced
as a unit with the engine compartment wire harness.
If any internal circuit of the PDC or the PDC hous-
ing is faulty or damaged, the entire PDC and engine
compartment wire harness unit must be replaced.
REMOVAL
(1) Disconnect and isolate the battery negative
remote cable.
(2) Disconnect each of the engine compartment
wire harness connectors. Refer to 8W-90 - Connec-
tor Locations in Group 8W - Wiring Diagrams for
more information on the locations of the affected con-
nectors.
(3) Remove the fasteners that secure each of the
engine compartment wire harness ground eyelets to
the vehicle body and chassis components. Refer to
8W-90 - Connector Locations in Group 8W - Wir-
ing Diagrams for more information on the ground
eyelet locations.
(4) Disengage each of the retainers that secure the
engine compartment wire harness to the vehicle body
and chassis components. Refer to 8W-90 - Connec-
tor Locations in Group 8W - Wiring Diagrams for
more information on the retainer locations.
(5) Remove one PDC mounting screw and disen-
gage the PDC housing by pushing the locking tabs in
on the PDC base. The mounting bracket blades are
retained by a snap fit in the PDC mounting slots.
(6) Remove the PDC and the engine compartment
wire harness from the engine compartment as a unit.
Fig. 3 Negative Battery Remote Cable
1 – RIGHT STRUT TOWER
2 – AIR CLEANER INLET TUBE
3 – REMOTE TERMINAL
LH POWER DISTRIBUTION SYSTEMS 8O - 3
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