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Insufficient Range Of Remote Control (GROUP 9, NO. 7/04)

Publication date: 2004-08-13
Reference number: GROUP 9, NO. 7/04

INSUFFICIENT RANGE OF REMOTE CONTROL

INSUFFICIENT RANGE OF REMOTE CONTROL

TECHNICAL SERVICE BULLETIN

Reference Number(s): GROUP 9, NO. 7/04, Date of Issue:  August 13, 2004
PORSCHE: Boxster/Boxster S, As of 1997 (V)
GROUP: 9 - Electrical
PART IDENTIFIER: 9662

CONCERN

Increasing the range of the remote control by changing the routing of the antenna lead on vehicles with option:

INFORMATION

The antenna lead of the remote control was previously incorporated in the wire harness running in the area of the left A-pillar and was routed together with the wire harness. This caused the antenna lead to have an unfavorable installation position, and, come into contact the wire harness and left A-pillar.

This caused excessive shielding of the antenna toward the outside, reducing the reception strength of the antenna. This lead to the range of the remote control being reduced. To avoid shielding the antenna and to increase the range of the remote control, the routing of the antenna lead in the area of the A-pillar has been changed as of the introduction date listed below.

If the customer complains that the range of the remote control continues to be insufficient (e.g., even after the remote control battery has been changed), the antenna lead should to be rerouted as described in work procedure (see below) in order to increase the reception strength of the antenna, thereby increasing the range of the remote control.

INTRODUCTION

March 25th, 2004, as of the following VINs:

  1. 98 24S 62 0843 Boxster/USA
  2. 98 14S 66 0473 Boxster S/USA

March 31st, 2004, as of the following VINs.

  1. 98 54U 62 1201 Boxster/USA
  2. 98 84U 66 1379 Boxster S/USA

PARTS INFORMATION

PARTS INFORMATION

Part Number Description
999.911.663.40 Sealing strap 10 x 10 x 180 mm
N/A Adhesive tape, approx. 9 mm wide

TOOLS

  1. Side cutters
  2. Scissors/knife

WORK PROCEDURE

Change the routing of the antenna lead.

  1. Remove the trim panel for the left A-pillar, see POSES, Boxster Workshop Manual, Group 7, 70 57 19 - Removing and installing A-pillar trim panel.
  2. Detach the wire harness in the area of the A-pillar from above, starting carefully from the unpainted bodyshell.
    NOTE: The wire harness is secured onto the unpainted bodyshell with a strip of adhesive tape. The strip of adhesive tape is located on the outside of the protective sleeve for the wire harness.
  3. Open the Velcro fastener for the protective sleeve (Fig 1 , arrow) of the wire harness.
    Fig 1: Opening Velcro Fastener For Protective Sleeve
    G00383409
  4. Remove locating tape on the end of the antenna lead (Fig 2 , Item A) and guide the antenna lead (Fig 2 , Item B) over a length of approximately 300 mm out of the wire harness.
    Fig 2: Antenna Lead In Wiring Harness
    G00383410
  5. Shorten the antenna lead by 100 mm measured from the upper end (Fig 3 ).
    Fig 3: Shortening Antenna Lead
    G00383411
    CAUTION: Failure of remote control if the antenna length is incorrect!
    • Different antenna lengths are necessary, depending on the frequency of the remote control.
    • The length of the antenna is determined by removing the shielding (outer plastic sleeve and underlying metal weave) from the antenna lead.
    • The length of the antenna is:
      1. - for a frequency of 315 MHz: 130 mm (USA/Canada/Mexico/Australia/Japan/Hong Kong)
      2. - for a frequency of 433 MHz: 100 mm (all other countries).
  6. Measured from the upper end of the antenna lead, carefully cut through the shielding of the antenna lead with side cutters a length of: - 100 mm (433 MHz) or - 130 mm (315 MHz). Remove the shielding from the antenna lead (Fig 4 ).
    IMPORTANT: Be careful not to damage or cut through the antenna lead underneath the shielding.
    Fig 4: Removing Antenna Lead Shielding
    G00383412
  7. Attach the sealing strap between the wire harness and antenna lead.
    1. 7.1  Shorten the sealing strap, part number, 999.911.663.40, according to the antenna length (100 mm or 130 mm).
    2. 7.2  Pull protective strips off the bonding area of the sealing strap.
    3. 7.3  Insert wire harness in the protective sleeve and secure the sealing strap on the wire harness so that:
      • the sealing strap (Fig 5 , Item A) is located across from the strips of adhesive tape on the out side of the protective sleeve (Fig 5 , Item B) and
      • the end of the antenna (Fig 5 , Item C) is flush with the sealing strap.
    4. 7.4  Place the antenna on the sealing strap and secure antenna and sealing strap on the wire harness with two strips of adhesive tape (Fig 5 , Item D).
    Fig 5: Attaching Sealing Strap
    G00383413
  8. Close the Velcro fastener of the protective sleeve.
  9. Secure wire harness as shown in Fig 6 to the A-pillar (Item A): Beginning from below, secure the wire harness (Fig 6 , inset) to the A-pillar on the outside of the protective sleeve (Item C) using the adhesive strips (Item B), so that the antenna (Item D) points in the direction of vehicle interior. This installation position of the wire harness will prevent the antenna lead from coming into contact with the unpainted bodyshell and becoming shielded.
    Fig 6: Securing Wiring Harness To A-Pillar
    G00383414
  10. Install trim panel for left A-pillar.
  11. Check function and range of the remote control.

WORKING TIME

WORKING TIME

Labor Operation Description Time Units
91 28 49 00 Reworking the antenna cable. Includes: Left A-pillar trim panel, removed and installed 60 TU

REFERENCES

POSES, Workshop Manual, Boxster (986):

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