Junction Block

REMOVAL

WARNING: 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.

1. Disconnect and isolate the battery negative cable.

Fuse Access Panel Remove/Install:

2. Remove the fuse access panel by unsnapping it from the left outboard end of the instrument panel (Fig. 7).
3. Reach through the instrument panel fuse access panel opening to access and remove the one screw that secures the Junction Block (JB) to the left instrument panel end bracket.
4. Remove the steering column opening cover from the instrument panel.

Junction Block Remove/Install:

5. Reach through the outboard side of the instrument panel steering column opening to access and disconnect all of the wire harness connectors from the JB connector receptacles (Fig. 8).
6. Reach through the outboard side of the instrument panel steering column opening to access and remove the relay and fuse block from the JB. Push the relay and fuse block towards the left end of the instrument panel to disengage its mounting slots from the tabs on the JB.
7. Reach through the outboard side of the instrument panel steering column opening to access and remove the one screw that secures the JB to the left instrument panel end bracket.
8. Reach through the outboard side of the instrument panel steering column opening to remove the JB from the left instrument panel end bracket.

INSTALLATION

WARNING: 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.

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 for the location of complete circuit diagrams and cavity assignments for the JB.

1. Reach through the outboard side of the instrument panel steering column opening to position the JB onto the left instrument panel end bracket.
2. Reach through the outboard side of the instrument panel steering column opening to install and tighten the one screw that secures the JB to the left instrument panel end bracket. Tighten the screw to 2.2 N.m (20 in. lbs.).
3. Reach through the outboard side of the instrument panel steering column opening to access and install the relay and fuse block onto the JB by engaging the relay and fuse block mounting slots with the tabs on the JB.
4. Reach through the outboard side of the instrument panel steering column opening to access and reconnect all of the wire harness connectors to the JB connector receptacles.
5. Install the steering column opening cover onto the instrument panel.
6. Reach through the instrument panel fuse access panel opening to install and tighten the one screw that secures the junction block to the left instrument panel end bracket. Tighten the screw to 2.2 N.m (20 in. lbs.).
7. Install the fuse access panel by snapping it onto the left outboard end of the instrument panel.
8. Reconnect the battery negative cable.