roof LAND ROVER DISCOVERY 1999 User Guide

INTERIOR TRIM COMPONENTS
REPAIRS 76-3-21
11.Remove access panel from front edge of front
stowage pocket.
12.Remove screw securing front stowage pocket
to headlining.
13.Remove lens from front interior lamp.
14.Remove 2 nuts securing front interior lamp to
headlining.
15.Disconnect multiplug from front interior lamp.
16.Remove front interior lamp.
17.Remove 10 screws securing front stowage
pocket to headlining.
18.Disconnect 3 multiplugs from sunroof switches.
19.Remove front stowage pocket.
20.Remove caps from sun visor clips.
21.Remove screws and release both sun visor
clips.
22.Remove tail door aperture upper trim casing.
23.Remove rear sunroof aperture trim. 24.Remove front sunroof aperture trim.
25.Release end caps from all grab handles.
26.Remove 2 bolts securing each grab handle to
roof.
27.Remove all 4 grab handles.
28. Models with volumetric alarm: Release front
volumetric sensor from headlining and
disconnect multiplug.
29. Models with rear A/C:
aRelease rear A/C control panel from
headlining.
bDisconnect 2 multiplugs and 2 Lucar
connectors from rear A/C control panel.
cRemove rear A/C control panel.
30.Release rear interior lamp from headlining and
disconnect multiplug.
31.Remove rear interior lamp.

INTERIOR TRIM COMPONENTS
76-3-22 REPAIRS
32.Remove 2 clips securing rear of headlining to
roof.
33.Release rear sunroof switch from headlining.
34.Disconnect multiplug and remove rear sunroof
switch.
35.Remove screw securing headlining to roof.
36.With assistance, remove headlining.
37. Models with rear A/C:
aRemove foam pads from air vents.
bRelease 2 rear air vents from headlining.
cRelease 3 central air vents from headlining.
38.Remove 7 nuts securing each stowage pocket
to headlining and collect mounting plates.
39.Remove both pockets from headlining.
40.Remove 8 screws securing rear console to
headlining and collect 3 mounting plates.
41.Remove rear console from headlining.
Refit
1.Fit rear console and mounting plates to
headlining.
2.Fit and tighten nuts securing rear console to
headlining.
3.Fit both stowage pockets and mounting plates
to headlining.
4.Fit and tighten nuts securing stowage pockets
to headlining.
5. Models with rear A/C:
aFit 3 central air vents to headlining.
bFit 2 rear air vents to headlining.
cFit foam pads to air vents.
6.With assistance, position headlining in vehicle.
7.Fit and tighten screw securing centre of
headlining to roof.
8.Connect multiplug to rear sunroof switch.
9.Fit rear sunroof switch to rear console.
10.Fit clips securing rear edge of headlining to
sunroof.

INTERIOR TRIM COMPONENTS
REPAIRS 76-3-23
11.Position rear interior lamp to headlining and
connect multiplug.
12.Fit rear interior lamp to headlining.
13. Models with rear A/C:
aPosition rear A/C control panel to headlining
and connect multiplugs and Lucar
connectors.
bFit rear A/C control panel to headlining.
14. Models with volumetric alarm: Connect
multiplug to front volumetric sensor and fit
sensor to headlining.
15.Fit grab handles to headlining and secure with
bolts.
16.Fit end caps to grab handles.
17.Fit front sunroof aperture trim.
18.Fit rear sunroof aperture trim.
19.Fit tail door aperture upper trim casing.
20.Fit sun visor clips to headlining and secure with
screws.
21.Fit caps to sun visor clips.
22.Position front stowage pocket to headlining and
connect multiplugs to sunroof switches.
23.Fit and tighten 10 screws securing front
stowage pocket to headlining.
24.Connect multiplug to front interior lamp.
25.Fit front interior lamp to headlining and secure
with nuts.
26.Fit lens to front interior lamp.
27.Fit and tighten screw securing front stowage
pocket to headlining.
28.Fit access panel to front edge of front stowage
pocket.
29.Position sun visor to headlining and secure to
clip.
30.Connect multiplug to sun visor.
31.Fit and tighten screws securing sun visor to
headlining.
32.Repeat process for second sun visor.
33. Models with premium ICE: Position both 'A'
post trim casings and connect multiplugs to
speakers.
34.Fit both trim casings to 'A' posts and secure
with clips.
35.Fit both 'B' post upper trim casings.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Trim casing - upper - 'B' post.
36.Fit both 'D' post trim casings.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Trim casing - 'D' post.

INTERIOR TRIM COMPONENTS
76-3-24 REPAIRS
Stowage pocket - front
$% 76.67.26
Remove
1.Remove access panel from front edge of front
stowage pocket.
2.Remove screw securing front stowage pocket
to headlining.
3.Remove lense from front interior lamp.
4.Remove 2 nuts securing front interior lamp to
headlining.
5.Disconnect multiplug from front interior lamp.
6.Remove front interior lamp.
7.Remove 10 screws securing front stowage
pocket to headlining.
8.Disconnect 3 multiplugs from sunroof
switches.
9.Remove front stowage pocket. 10.Release clips securing sunroof switch pack.
11.Remove switch pack.
Refit
1.Fit sunroof switch pack to front stowage pocket
and secure with clips.
2.Position front stowage pocket to headlining
and connect multiplugs to sunroof switches.
3.Fit and tighten 10 screws securing front
stowage pocket to headlining.
4.Connect multiplug to front interior lamp.
5.Fit front interior lamp to headlining and secure
with nuts.
6.Fit lense to front interior lamp.
7.Fit and tighten screw securing front of front
stowage pocket to headlining.
8.Fit access panel to front stowage pocket.

SUNROOF
DESCRIPTION AND OPERATION 76-6-1
SUNROOF DESCRIPTION AND OPERAT ION
Electric sunroof component location
RHD shown, LHD similar
1Sunroof front switches
2Front sunroof motor and microswitch
3Rear sunroof - rear switch4Sunroof ECU
5BCU

SUNROOF
76-6-2 DESCRIPTION AND OPERATION
Sunroof components

SUNROOF
DESCRIPTION AND OPERATION 76-6-3
1Glass panel
2Nut - glass panel
3Frame - glass panel
4Bolt - glass panel
5Drive cables and lifting assembly
6Screw - glass panel frame
7Sunroof frame
8Sunroof blind
9Screw - sunroof frame10Drain tubes
11Screw - motor
12Motor and gearbox
13Spacer - manual sunroof regulator
14Regulator - manual sunroof
15Handle - manual sunroof
16Screw - manual sunroof regulator
17Screw - manual sunroof handle

SUNROOF
76-6-4 DESCRIPTION AND OPERATION
System block diagram
1Passenger compartment fuse box
2BCU
3Sunroof ECU
4Front sunroof switch
5Front sunroof motor and microswitch6Rear sunroof - front switch
7Rear sunroof isolation switch
8Rear sunroof - rear switch
9Rear sunroof motor and microswitch

SUNROOF
DESCRIPTION AND OPERATION 76-6-5
Description
General
The sunroof system consists of a front and a rear sunroof assembly. Both sunroof assemblies slide and tilt to open.
The sunroof system consists of the following components:
lSunroof ECU.
lBCU.
lFront sunroof switch.
lFront sunroof motor and microswitch.
lRear sunroof - front switch.
lRear sunroof - rear switch.
lRear sunroof isolation switch.
lRear sunroof motor and microswitch.
The BCU enables operation of the sunroof ECU. If the sunroof ECU does not receive an enable signal from the BCU,
neither sunroof assembly operates. The BCU is located behind the glovebox. The sunroof ECU is located above the
headlining next to the front sunroof assembly.
TestBook diagnoses the sunroof ECU.

SUNROOF
76-6-6 DESCRIPTION AND OPERATION
Front sunroof switch
The front sunroof switch is located in the roof console above the windscreen in front of the front sunroof. It controls
the front sunroof motor via the sunroof ECU.
The front sunroof switch supplies an earth signal to the sunroof ECU. The pin at the ECU that receives the earth
signal determines whether ECU causes the sunroof to open or close.
TestBook cannot monitor the state of the front sunroof switch.
The following table lists the values which can be measured at the listed ECU pins when the conditions outlined are
met:
Signal values (connector connected)
Connector/Pin
No.Condition Resistance, ohms
C0784-2 Ignition in position II, front sunroof switch released > 10,000
C0784-2 Ignition in position II, front sunroof switch open < 0.5
C0785-7 Ignition in position II, front sunroof switch released > 10,000
C0785-7 Ignition in position II, front sunroof switch closed < 0.5