1998 JAGUAR X308 ECU

Direction indicator and side marker lamps
Each front direction indicator and side marker lamp is retained in the bumper cover by a lug at one end and a spring clip at
the other end. The side marker lamps are not electrically connected for certain markets.
The side repeater lamps are secured by sp ring clips on the lower edge of the lamp unit. In certain markets Jaguar leaper
badges are substituted for side repeater lamps.
Fog lamps
The fog lamps are located in recesses in the front bump er and secured by three screws. The la mps which are not
interchangeable left to right, are accessed from the rear of the bumper.
Operation
All lamps are controlled by the BPM which provides an appropriate output in response to an input received when a selected
switch is operated.
All lamps receive an input direct from th e BPM with the exception of the main be am, dip beam and front fog lamps which
receive an input from the BPM vi a the respective relays and fuses; refer to section 418-01.
Fault analysis must be undertaken using the PDU. Refer to Diagnosis and Testing.
Consult the relevant Electrical Guid e for details of circuit operation.
Rear Lamps

ItemPart NumberDescription
1—License Plate Lamps

License plate lamps
Each license plate bulb is accessible after removing the relevant lens. The license plate lamps can be accessed following
removal of the trunk lid liner and upper trim finisher.
Rear lamp assembly
Each rear lamp assembly incorporates a stop/tail lamp, a fog lamp, a reversing lamp and a direction indicator lamp. Access
for bulb replacement is from the trunk.
Side markers
Each side marker is retained in the bumper cover by a lug on one end of the unit and a spring clip at the other end. The unit is not electrically connected for all markets.
High mounted stop lamp
The high mounted stop lamp (HMSL) is secu red to studs on the center lower edge of the backlight and provides illumination
using five bulbs.
Operation
All lamps are controlled by the BPM which pr ovides an appropriate output in response to an input received when a selected
switch is operated.
The side marker lamps receive an input from the BPM via relay 3 and fuse F21. The license plate lamps receive an input
from the BPM via relay 3 and fuse F19. The rela y and fuses are located in the trunk fuse-box.
The tail lamps receive an input direct from the BPM.
The stop, reversing and rear fog lamps are controlled by the security and locking module (SLM) which receives inputs via
the SCP network from the BPM.
The HMSL is not controlled by the SLM; it receives input from the brake switch via relay 5 and fuse F8 in the trunk fuse-box.

The BPM and SLM monitor the stop lamps (n ot HMSL) and tail lamps for failure.
Fault analysis must be undertaken using the PDU, refer to Diagnosis and Testing.
Consult the relevant Electrical Guid e for details of circuit operation.


2—Rear Lamp Assembly
3—Rear Side Marker
4—High Mounted Stop Lamp

Exterior Lighting - Front Fog Lamp
Removal and Installation
Removal
Installation

1.
Remove undertray for ac cess. Refer to 76.22.90.

2. Disconnect fog lamp harness multiplug.

3. Remove the three fog la mp securing bolts.
4. Withdraw fog lamp assembly from rear of bumper.
1. NOTE: Vertical alignment of the fog lamp is pre-set. No
attempt must be made to alter this setting.
Position fog lamp assembly on bumper.
2. Install fog lamp securing bolts.
3. Connect fog lamp harness multiplug.
4. Install undertray. Refer to 76.22.90.

Exterior Lighting - High Beam Headlamp
Removal and Installation
Removal
Installation
1. Remove headlamp assembly fo r access. Refer to 86.41.33.

2. Release bulb holder securing tangs and position holder for
access.

3. Rotate pilot bulb holder 1/4 turn and withdraw holder.
4. Invert headlamp assembly.

5. Release headlamp unit adju sting screws and pivot.
1. Install headlamp unit on adjusting screw and pivot seats.

2. Invert headlamp assembly.

3. Install pilot bulb holder in headla mp unit and rotate 1/4 turn to
secure.

4. Install headlamp assembly bulb holder.
5. Install headlamp assembly. Refer to 86.41.33.
6. Align headlamp beams.

Exterior Lighting - High Beam Headlamp Bulb
Removal and Installation
Removal
Installation

1.
Open hood and install fender cover.

2. Release headlamp bulb holder locking tangs and remove holder from headlamp.
3. CAUTION: If the bulb is to be re-fitted, the glass must
not be touched with the bare hand . Failure to observe this caution
will result in premature bulb failure
Position bulb holder for access and remove bulb.
1. CAUTION: Headlamp bulbs are of the halogen type and
must not be handled with bare hands. Failure to observe this
caution will result in premature bulb failure.
Install headlamp bulb in holder.
2. Install bulb holder in headlamp ensuring that securing tangs
are fully seated.
3. Remove fender cover and close hood.

Exterior Lighting - High Mounted Stoplamp
Removal and Installation
Removal
Installation

1. Remove lamp cover.
1. Depress two tangs at base of lamp carrier and withdraw cover.

2. Disconnect lamp harness connector.

3. Remove module.
1. Release spring clips at each end of lamp lens module and withdraw module from carrier.

4. Remove lamp carrier.
Release lamp carrier lower securing tangs.
Slide carrier upwards to release and remove carrier from
backlight.
1. Ensure that rubber insulating pads are installed on lamp
carrier.

Exterior Lighting - High Mounted Stoplamp Bulb
Removal and Installation
Removal
Installation

1. Remove cover from stop lamp.
1. Depress two tangs at base of lamp cover and withdraw cover.

2. Remove lamp module.
1. Release spring clips at each end and remove lamp module from carrier.

3. CAUTION: Exercise care to avoid contact with reflective
surfaces.
Withdraw lens and remove re levant bulb from module.

1. CAUTION: Exercise care to avoid contact with reflective
surfaces.
Install new bulbs as nece ssary and install lens.
2. Install module.
1. Slide module into carrier and seat securing clip at