Toyota
Jeep Cherokee
 Service Manual
Power distribution systems » Removal and installation
Junction block

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

REMOVAL

(1) Disconnect and isolate the battery negative cable.

(2) Remove the fuse access panel by unsnapping it from the right cowl side inner trim panel (Fig. 8).

Fig. 8 Right Cowl Side Inner Trim Remove/Install
Fig. 8 Right Cowl Side Inner Trim Remove/Install

1 - RIGHT FRONT DOOR SILL
2 - COWL SIDE TRIM PANEL
3 - SCREW
4 - SILL TRIM
5 - FUSE ACCESS PANEL
6 - PUSH-NUT

(3) Remove the push nut that secures the right cowl side inner trim panel to the mounting stud on the Junction Block (JB).

(4) Remove the screw located above the fuse access opening that secures the trim panel to the right cowl side inner panel.

(5) Remove the screw that secures the right cowl side inner trim panel and right front door sill trim to the door opening sill.

(6) Remove the trim from the right cowl side inner panel.

(7) Remove the screw that secures the lower instrument panel wire harness connector to the JB.

(8) Disconnect all of the wire harness connectors from the connector receptacles on the JB.

(9) Remove the three nuts that secure the JB to the mounting studs on the right cowl side inner panel (Fig. 9).

Fig. 9 Junction Block Remove/Install
Fig. 9 Junction Block Remove/Install

1 - JUNCTION BLOCK
2 - STUD
3 - RIGHT COWL SIDE INNER PANEL
4 - NUT

(10) Remove the JB from the mounting studs on the right cowl side inner panel.

INSTALLATION

NOTE: If the Junction Block (JB) is being replaced with a new unit, be certain to transfer each of the fuses, circuit breakers and relays from the faulty JB to the proper cavities of the replacement JB. Refer to Junction Block in the index of this service manual for the location of complete circuit diagrams and cavity assignments for the JB.

(1) Position the JB onto the mounting studs located on the right cowl side inner panel.

(2) Install and tighten the three nuts that secure the JB to the mounting studs on the right cowl side inner panel. Tighten the nuts to 2.7 N·m (24 in. lbs.).

(3) Reconnect all of the wire harness connectors to the proper connector receptacles on the JB.

(4) Install and tighten the screw that secures the lower instrument panel wire harness connector to the JB connector receptacle. Tighten the screw to 3.5 N·m (31 in. lbs.).

(5) Position the trim onto the right cowl side inner panel.

(6) Install and tighten the screw that secures the right cowl side inner trim panel and right front door sill trim to the door opening sill. Tighten the screw to 2.2 N·m (20 in. lbs.).

(7) Install and tighten the screw located above the fuse access opening that secures the trim panel to the right cowl side inner panel. Tighten the screw to 2.2 N·m (20 in. lbs.).

(8) Install the push nut that secures the right cowl side inner trim panel to the mounting stud on the JB.

(9) Install the fuse access panel by snapping it onto the right cowl side inner trim panel.

(10) Reconnect the battery negative cable.

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