Interior - Driver's Power Seat Is Inoperative
Classification: BT09-037Reference: ITB09-049
Date: September 28, 2009
2008-2009 EX35; DRIVER POWER SEAT WILL NOT MOVE
APPLIED VEHICLES:
2008-2009 EX 35 (J50) 2WD with ADP ONLY
2008-2009 EX 35 (J50) AWD with ADP ONLY
APPLIED VINS:
2WD vehicles built before JNKAJ(*)9E(*)9M 900055
AWD vehicles built before JNKAJ(*)9F(*)9M 950803
APPLIED DATES:
2WD vehicles built before April 9, 2009
AWD vehicles built before April 8, 2009
IF YOU CONFIRM:
The driver power seat does not move in any direction at times, or not at all.
NOTE:
This incident, should it occur, applies to Automatic Drive Positioner (ADP) equipped vehicles only.
ACTIONS:
Verify the condition of the lumbar switch harness.
^ If the harness is found damaged:
> Repair the lumbar switch harness.
> Do not replace the lumbar switch unless the switch harness is not repairable.
> Install the Passive Guide Rail Set (protector) and Felt Tape listed in the PARTS INFORMATION section of this bulletin.
> For repair procedure, refer to the SERVICE PROCEDURE section of this bulletin.
^ If the harness is not found damaged, this bulletin does not apply.
> Refer to the appropriate Electronic Service Manual (ESM) for further diagnosis.
IMPORTANT:
The purpose of ACTIONS (above) is to give you a quick idea of the work you will be performing. You must closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
PARTS INFORMATION
CLAIMS INFORMATION
SERVICE PROCEDURE
Inspect the Lumbar Switch Harness
NOTE:
This incident, should it occur, applies to Automatic Drive Positioner (ADP) equipped vehicles only.
1. Write down all radio station presets.
2. Unfasten the seat cushion outer finisher (finisher).
^ Refer to the Electronic Service Manual (ESM) as needed.
^ Protect all surrounding surfaces with suitable covering.
NOTE:
For this procedure, the seat does not need to be removed from the vehicle. Unfastening the seat (allowing it to be moved manually) will be sufficient.
CAUTION:
> Before manually moving the seat, turn off the ignition switch, disconnect both battery cables (negative cable first), and then wait for at least three (3) minutes.
3. Check the lumbar switch harness for damage (see green arrow in Figure 1).
^ If damage found, go to Step 4.
^ If no damage found, this bulletin does not apply.
^ Refer to the appropriate ESM for further diagnosis.
4. Remove the lumbar support switch.
^ Refer to the Electronic Service Manual (ESM) as needed.
^ To get to the lumbar switch connector from under the seat, tilt the seat back.
5. With the lumbar seat switch removed, repair the incident wire.
^ For wire repair, use a solder sleeve connector and its service procedure in bulletin ITB03-054.
^ If the wire cannot be repaired, replace the lumbar support switch.
6. Properly clean the surface of the seat frame where the protector and felt tape is to be applied (see Figure 2 and 3).
7. Install the protector on the inside edge of the seat frame as shown in Figure 4 and 5.
^ The protector's rear edge is 0.2 inches (5 mm) further back from the rear edge of the oval hole (see Figure 4 and 5).
^ The protector lip goes underneath the seat frame edge, top side on top (see Figure 4 and 5).
8. Apply the felt tape as shown in Figure 6.
^ Measure 0.2 inches (5 mm) from the bottom of the seat frame (see Figure 6).
^ Align the felt tape's and protector's front edges (see Figure 6).
9. Reinstall the lumbar support switch.
^ Refer to the appropriate ESM as needed.
^ Make sure all seat harness connectors are connected securely.
10. Connect the battery cables, negative cable last.
11. Move the seat forward and backward as needed to install the four (4) seat mounting bolts.
^ Bolt torque: 49.0 Nm (5.0 kg-m, 36 ft lbs)
12 Verify the repair by operating the seat.
13. Reprogram the radio presets.
14. Reset / initialize all applied systems i.e., power windows, clock, sunroof, etc.