Discovery 2. Manual — part 330

ALARM SYSTEM AND HORN

REPAIR 86-4-25

REPAIR

Switch - central door locking

$% 86.26.30

Remove

1. Carefully remove clock assembly from louvre

panel.

2. Disconnect multiplug from door lock switch.
3. Remove door lock switch from clock.

Refit

1. Fit door lock switch to clock assembly.
2. Connect multiplug to door lock switch.
3. Position clock assembly and push to secure in

position.

Switches - horn

$% 86.30.01

Remove

WARNING: It is imperative that before any
work is undertaken on the SRS system the
appropriate information is read thoroughly.

1. Disconnect both battery leads, negative lead

first, and wait 10 minutes.

2. Remove driver's airbag module.

+

RESTRAINT SYSTEMS, REPAIRS,

Airbag module - drivers.

3. Release horn switch multiplugs and leads from

steering wheel base.

4. Disconnect horn switch multiplugs from

harness.

5. Disconnect horn switch multiplug from rotary

coupler harness.

6. Remove screw securing earth leads to steering

wheel.

7. Using a broad round edged tool, carefully prise

horn switches from steering wheel.

Refit

1. Fit to steering wheel and connect multiplugs.
2. Fit earth leads and secure with screw.
3. Secure leads and multiplugs to base of steering

wheel.

4. Fit driver's airbag module.

+

RESTRAINT SYSTEMS, REPAIRS,

Airbag module - drivers.

ALARM SYSTEM AND HORN

86-4-26 REPAIR

Vehicle horn

$% 86.30.10

Remove

1. Remove front grille.

+

EXTERIOR FITTINGS, REPAIRS,

Grille - front - up to 03MY.

2. Disconnect multiplug from horn.
3. Remove nut securing horn to body and remove

horn.

Refit

1. Fit horn to body and tighten nut to 13 Nm (10

lbf.ft).

2. Connect multiplug to horn.
3. Fit front grille.

+

EXTERIOR FITTINGS, REPAIRS,

Grille - front - up to 03MY.

Sounder - alarm

$% 86.77.10

Remove

1. Remove nut securing sounder to mounting

bracket.

2. Release sounder from mounting bracket,

disconnect multiplug and remove sounder.

Refit

1. Position sounder and connect multiplug.
2. Fit sounder to bracket and secure with nut.

ALARM SYSTEM AND HORN

REPAIR 86-4-27

Sounder - battery backed-up (BBUS)

$% 86.77.13

Remove

1. Remove rear quarter lower casing.

+

INTERIOR TRIM COMPONENTS,

REPAIRS, Trim casing - side - loadspace.

2. Remove nut securing BBUS to RH rear body

panel.

3. Disconnect multiplug and remove BBUS.

Refit

1. Position BBUS, connect multiplug and tighten

securing nut.

2. Fit rear quarter lower casing.

+

INTERIOR TRIM COMPONENTS,

REPAIRS, Trim casing - side - loadspace.

Switch - bonnet

$% 86.77.20

Remove

1. Remove rubber cover from bonnet switch.
2. Disconnect multiplug, release switch retainers

and remove switch.

Refit

1. Position switch and connect multiplug.
2. Fit rubber cover to switch,

ALARM SYSTEM AND HORN

86-4-28 REPAIR

Receiver - alarm system - models with
sunroof

$% 86.77.31

Remove

1. Remove trim seal from rear sunroof.
2. Release sunroof switch and remove screw

securing headlining.

3. Remove 2 nuts securing receiver to roof panel,

disconnect multiplug and remove receiver.

Refit

1. Connect multiplug to receiver, fit to roof panel,

tighten nuts to 10 Nm (7 lbf.ft).

2. Fit and tighten screw securing headlining.
3. Fit sunroof switch
4. Fit sunroof trim seal.
5. Connect multiplug to receiver, fit to roof panel

and secure with nuts tighten to 10 Nm (7 lbf.ft).

Receiver - alarm system - models
without sunroof

$% 86.77.31

Remove

1. Remove rear headrest. Repeat operation on

opposite side.

+

SEATS, REPAIRS, Head restraint -

third row seat.

2. Remove 'D' post trim casing. Repeat operation

on opposite side.

+

INTERIOR TRIM COMPONENTS,

REPAIRS, Trim casing - 'D' post.

3. Remove rear interior light.

+

LIGHTING, REPAIRS, Lamp - interior

- rear.

4. Release 2 studs securing rear headlining,

carefully lower lining.

5. Remove 2 studs securing alarm receiver.
6. Disconnect multiplug from alarm receiver and

remove receiver.

Refit

1. Connect multiplug to receiver.
2. Position receiver and secure with studs.
3. Position rear end of headlining, secure with

studs.

4. Fit rear interior light.

+

LIGHTING, REPAIRS, Lamp - interior

- rear.

5. Fit both 'D' post trim casings. Repeat operation

on opposite side.

+

INTERIOR TRIM COMPONENTS,

REPAIRS, Trim casing - 'D' post.

6. Fit rear headrests. Repeat operation on

opposite side.

+

SEATS, REPAIRS, Head restraint -

third row seat.

M86 5632

M86 5761