Seat Heater - Replacement Procedure
BODYBO004-00 REVISED
August 11, 2000
Title:
SEAT HEATER REPLACEMENT PROCEDURE
Models:
'99 - '00 RX 300
TSB Revision Notice:
The information updated is shown in the bulletin.
Introduction
This is to inform you of the seat heater replacement procedure. A change has been made to allow separate installation of the seat heater element.
Applicable Vehicles
^ 1999 - 2000 model year RX 300 vehicles.
Parts Information
Warranty Information
Applicable Warranty*:
This repair is covered under the Lexus Basic Warranty. This warranty is In effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Required Tools and Material ^ Tacker
^ Tacks
^ Hog Ring Pliers
^ Adhesive Tape
NOTE:
Special Service Tools can be ordered through the Lexus SST program by calling 1-800-933-8335.
How to use the Tacker:
As shown below, drive in a tack pin with the tacker and fix the seat heater to the seat cover.
Repair Procedure
^ For the installation/removal of the seat and the disassembly/assembly of the seat cushion assembly, refer to the 2000 RX 300 Repair Manual (pages BO-147 through 157).
^ Care should be taken during the operation to protect the seat cover from scratches, dirt or accidental cuts.
1. Turn seat cover inside out.
2. Remove seat wire.
A. Remove the 6 seat wires from the seat cushion cover and seatback cover (Figure 2).
3. Remove seat heater.
A. Seat cushion cover:
Cut the 34 tack pins that are fastened to the seat heater, then remove the seat heater.
B. Seatback cover:
Cut the 12 tack pins that are fastened to the seat heater, then remove the seat heater.
4. Seat cushion cover: Install new seat heater.
Refer to Figure 3.
A. Align the new seat heater by placing the marked side (part number) against the seat cushion cover.
B. For part A, position the seat heater by aligning the end of the fin with the fold line of the listing pocket (refer to Figure 1).
C. For part B, position the seat heater by aligning the outline of the fin with the seat cushion cover's seam.
D. For part C, position the seat heater by aligning the fin with the seat cushion cover's seam.
E. Using a tacker, attach tack pins to the side of the seat heater in the order from 1 to 12 and then attach the center part with tack pins.
NOTE:
^ Do not substitute other metal parts in place of tack pins.
^ Insufficient distance between the heater and cover may result in damage to the heater.
HINT:
^ For mark A, align the fins of the seat heater against the cover's seam and attach them at the margin with tack pins.
^ For mark B, align the end of the fin with the fold line of the listing pocket and attach them with tack pins.
^ Attach tack pins on the seam side so that the wire can be threaded through the hole from the fold side.
^ Sewing thread can be substituted for tack pins. However, allow a distance of 6-7 mm (0.24 - 0.28 in.) between both sewn parts of the heater and cover.
5. Seatback cover: Install new seat heater.
Refer to Figure 4.
A. Align the new seat heater by placing the marked side (part number) against the seat cushion cover.
B. For part A, position the seat heater by aligning the end of the fin with the fold line of the listing pocket.
C. Using a tacker, attach the seat heater to the seatback cover.
NOTE:
^ Do not substitute other metal parts in place of tack pins.
^ Insufficient distance between the heater and cover may result in damage to the heater.
HINT:
^ Attach tack pins on the seam side so that the wire can be threaded through the hole from the fold side.
^ For part B, attach tack pins to the margin of the velcro.
^ Sewing thread can be substituted for tack pins. However, allow a distance of 6-7 mm (0.24 - 0.28 in.) between both sewn parts of the heater and cover.
6. Install Seat Wire.
Install the 6 seat wires to the seat cushion cover and seatback cover. (See Figure 5.)
HINT:
Pass the wire over the seat heater as shown in Figure 6.
7. Reverse seat cover back to its original position.