Service Procedure
SERVICE PROCEDURECAUTION:
Use suitable covers to protect upholstery, carpet, trim, etc. when performing the following procedure.
1. Remove the driver's seat as follows:
a. Remove the head restraint from the seat by pressing the release button and lifting UP on the restraint (see Figure 1).
b. Use the seat adjustment controls to lift the bottom seat cushion UP and tilt FORWARD the seat back (see Figure 2).
c. Move the seat REARWARD so you can reach the front mounting bolts.
d. Remove the front mounting bolt finishers (see Figure 3).
^ Pull FORWARD to release the finishers. They should slide off.
e. Remove the front mounting bolts (see Figure 3).
f. Move the seat FORWARD to reach the rear mounting bolts.
g. Remove the rear mounting bolt finishers (see Figure 4).
^ Pull REARWARD to release and slide the finishers off.
h. Remove the rear mounting bolts (see Figure 4).
i. Write down all radio station presets.
j. Disconnect both battery cables (negative cable first) and wait at least 3 minutes before performing the next step.
k. Tilt the entire seat REARWARD (off the floor) and disconnect the seat harness connectors (see Figure 5).
CAUTION:
Do not stretch the harnesses when tilting the seat rearward.
2. Carefully remove the seat from the vehicle and place it on a clean, dry work surface as shown in Figure 6.
3. Disconnect the seat adjustment controls harness connector and remove it from the lower cushion metal seat pan as follows:
a. First, disconnect the seat adjustment controls harness connector (see Figure 7, Detail View A).
b. Second, pry the connector off of the clip that secures it to the metal seat pan (see Figure 7, Detail View B).
c. Then, remove the clip from the metal seat pan (see Figure 7, Detail View C).
4. Remove the two front bolts that secure the lower cushion metal seat pan to the seat frame (see Figure 8).
5. Disconnect the lumbar adjustment harness connector as follows:
a. Partially separate the bottom seat cushion from the seat frame to reach the connector (see Figure 9).
CAUTION:
Do NOT separate the seat cushion more than 15cm (about 6 inches).
b. Disconnect the harness connector (see Figure 9).
6. Unclip the seat adjustment controls harness and lumbar adjustment control harness from the metal seat pan.
NOTE:
The harnesses may or may not be routed as shown in Figure 10, but go ahead and unclip the harnesses whichever way they are routed.
7. Replace the lumbar adjustment control switch I harness assembly as follows:
a. Remove the lumbar adjustment control switch finisher by pulling OUT on the finisher to release the clips (see Figure 11a).
b. At the back side of the lumbar switch, release the switch clip by pressing at the location shown in Figure 11b.
c. Carefully pull OUT on the switch to remove it from the lower seat cushion (see Figure 11c).
d. Install the new lumbar adjustment control switch / harness assembly in the reverse order you removed the original switch / harness. Do not attach the harness to the metal seat pan yet.
8. Correctly route and secure the seat adjustment controls harness and the lumbar adjustment control harness as shown in Figure 12.
9. Remove the clips from the seat adjustment controls harness and install new ones in the same location as the original clips.
NOTE:
The new lumbar adjustment harness already has clips installed.
10. Re-assemble the seat in the reverse order of dis-assembly, making sure:
^ The lower cushion metal seat pan bolts are tightened to 17.5 - 23.7 Nm (1.8 - 2.4 kg-m, 13-17 ft-lb).
^ The seat adjustment controls harness connector is reconnected and secured to the lower cushion metal seat pan with a new connector clip. See Figure 13.
^ The lumbar adjustment control harness is reconnected and routed as shown in Figure 14.
CAUTION:
Do NOT route the lumbar adjustment control harness between the seat lifter bar and the metal seat pan.
11. Re-install the seat in the vehicle, making sure:
^ The seat harnesses are reconnected.
^ The mounting bolts are tightened to: 44 - 54 Nm (4.4 - 5.6 kg-m, 32 - 40 ft-lb).
^ The head restraint is re-installed properly.
12. Reconnect the battery cables (negative cable last).
13. Reprogram all radio station presets.
14. Confirm proper operation of the seat adjustment controls and lumbar adjustment control.