2002 LAND ROVER DISCOVERY ECU

HARNESSES
86-7-22 REPAIRS
50.Release LH indicator repeater lamp.
51.Disconnect multiplug from repeater lamp.
52.Remove repeater lamp.
53.Attach draw string to repeater lamp harness.
54.Pull harness into engine bay, remove draw
string and secure.
55.Disconnect multiplug from fuel cut-off switch.
56.Remove plenum moulding.

+ HEATING AND VENTILATION,
REPAIRS, Plenum Air Intake.57.Disconnect and release 2 multiplugs from front
heated screen element.
58.Pull harness into engine bay.
59.Remove clip securing washer pipes to bonnet.
60.Disconnect pipe from bonnet.
61.Disconnect 11 multiplugs from ECU pack.

HARNESSES
REPAIRS 86-7-23
62.Remove 2 nuts securing earth headers to LH
lower 'A' post.
63.Disconnect 4 multiplugs from body harness.
64.Remove clip securing washer pipe located at
lower 'A' post
65.Remove pipe.66.Disconnect 2 multiplugs from front door
harness.
67.With assistance withdraw LH side harness into
interior.
68.Disconnect ignition harness multiplug from
passenger compartment fusebox.
69.Remove nut securing passenger compartment
fusebox to steering support bracket.

HARNESSES
REPAIRS 86-7-25
73.Release 3 multiplugs from steering column
support.
74.Disconnect multiplugs from brake and clutch
pedal.
75.Disconnect multiplug from RH side body
harness.
76.Disconnect 2 multiplugs from RH door
harness.
77.Disconnect multiplugs from cruise control
ECU, remove nut securing earth header to
body and remove earth header. 78.Disconnect 2 multiplugs from ECM.
79.Remove 6 nuts and bolts securing wiper
mechanism, release mechanism and
disconnect multiplug.
80.With assistance withdraw RH side harness into
interior.
81.Release RH side front carpet.

HARNESSES
86-7-26 REPAIRS
82.Remove nut securing earth header to footwell.
83.Remove earth header.
84.Remove clip securing harness to pedal box. 85.Remove 2 nuts securing harness to tunnel.
86.Disconnect Lucar from handbrake switch.
87.Disconnect multiplug from DCU.
88.Remove rear carpet.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Carpet - rear.

HARNESSES
REPAIRS 86-7-27
89.Disconnect 3 multiplugs from RH rear door
harness.
90.Remove 2 nuts securing 2 earth headers to
rear centre console tunnel.
91.Remove earth headers from centre console.
92.Disconnect multiplug from CD player.
93.Remove 5 clips and 2 retainers securing
harness to floor. 94.Disconnect 3 multiplugs from LH rear door
harness.
95.Withdraw harness to interior.
96.Manoeuvre harness over steering column
support bracket.
97.With assistance remove main harness.
Refit
1.With assistance position main harness to body
and manoeuvre over steering column support
bracket.
2.Lay harness in position and secure to floor
clips and retainers.
3.Connect LH and RH rear door multiplugs.
4.Connect CD player multiplug.
5.Position centre console earth headers and
secure with nuts.
6.Fit rear carpet.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Carpet - rear.
7.Connect DCU multiplug.
8.Connect Lucar to handbrake switch.
9.Fit and tighten nuts securing harness to
transmission tunnel.
10.Secure harness to pedal box.
11.Position footwell earth header and secure with
nut.
12.Feed RH side of harness into engine bay.
13.Position carpet.
14.Connect wiper motor multiplug, position
mechanism and secure with nuts and bolts.
15.Connect ECM multiplug.
16.Position RH lower 'A' post earth header and
secure with nut, connect cruise control
multiplug.
17.Connect RH front door and RH side body
harness multiplugs.

HARNESSES
86-7-28 REPAIRS
18.Secure multiplugs to steering column support
bracket and connect brake and clutch pedal
multiplugs.
19.Connect multiplugs to column switch and
passive coil.
20.Position passenger compartment fusebox,
connect multiplugs, fit fusebox to fascia and
secure with nut.
21.Connect ignition switch multiplug to fuse box.
22.With assistance feed LH side of harness into
engine bay.
23.Connect multiplugs to front door harness and
body harness.
24.Position earth headers to LH lower 'A' post and
secure with nuts.
25.Connect multiplugs to ECU pack.
26.Position harness in engine bay.
27.Connect and secure heated front screen
multiplugs.
28.Fit plenum molding.

+ HEATING AND VENTILATION,
REPAIRS, Plenum Air Intake.
29.Connect multiplugs to ABS sensor and fuel
cut-off switch.
30.Using draw string feed harness through inner
wing, remove draw string, connect repeater
lamp multiplug and fit lamp.
31.Connect multiplugs to ABS modulator.
32.Feed harness through to front panel.
33.Position body earth leads and secure with
bolts.
34.Connect washer reservoir multiplugs and
pipes, secure pipes with clips.
35.Secure fog lamp multiplug.
36.Secure earth header behind headlamp.
37.Connect multiplugs to headlamp level motor,
headlamp and side lamp.
38.Fit indicator lamp

+ LIGHTING, REPAIRS, Lamp - front
repeater.
39.Connect multiplug to LH horn.
40.Feed harness to ACE accelerometer, connect
multiplug and secure with cable ties.
41.Connect cruise control, ABS sensor and brake
fluid level switch multiplugs.
42.Connect engine harness multiplug and feed
harness along RH wing to fuse box.
43.Using draw string pull harness through inner
wing, remove draw string, connect repeater
lamp multiplug and fit lamp. 44.Connect chassis harness multiplugs.
45.Position engine bay fuse box and connect
multiplugs, fit fuse box and secure with screws.
46.Connect multiplugs to front of fuse box.
47.Position battery and starter cables and secure
with screws.
48.Fit fuse box cover.
49.Position earth lead and secure with nut.
50.Feed harness through to front panel.
51.Secure fog lamp multiplug.
52.Connect headlamp level motor, headlamp and
side lamp multiplugs.
53.Fit indicator lamp.

+ LIGHTING, REPAIRS, Lamp - front
repeater.
54.Secure harness to RH front panel.
55.Connect cooling fan and horn multiplug.
56.Secure harness to lower support rail.
57.Connect receiver drier and air temperature
sensor multiplugs.
58.Fit front bumper.

+ EXTERIOR FITTINGS, REPAIRS,
Bumper assembly - front.
59.Fit battery tray.
60.Fit air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Air cleaner assembly.
61.Position both lower 'A' post trims and secure
with studs.
62.Fit heater assembly.

+ HEATING AND VENTILATION,
REPAIRS, Heater assembly - models with
air conditioning.

+ HEATING AND VENTILATION,
REPAIRS, Heater assembly - models
without air conditioning.

DRIVING AIDS
DESCRIPTION AND OPERATION 86-8-1
DRIV ING AIDS DESCRIPTION AND OPERAT ION
Park Distance Control – Component
Location
1Park Distance Control (PDC) Switch
2PDC ECU
3PDC sounder
4Mounting bracket
5PDC sensor

DRIVING AIDS
DESCRIPTION AND OPERATION 86-8-3
1PDC sounder
2PDC switch
3Fusible link
4Ignition switch
5Fuse
6PDC ECU
7PDC sensors