LAND ROVER DISCOVERY 1995 Service Repair Manual

ELECTRICAL
41
REPAIR COOLANT TEMPERATURE TRANSMITTER - V8i
Service repair no - 26.10.02
Remove
1.Disconnect battery negative lead.
2.Disconnect lead from transmitter.
3.Remove transmitter, discard sealing washer if
fitted.
Refit
4.Coat threads of replacement transmitter with
Loctite 572.
5.Fit a new sealing washer to transmitter.
6.Fit transmitter, connect lead.
7.Top-up cooling system.HEATED FRONT SCREEN
Heated front screen will operate when switch is
operated, with engine running. Timer unit will provide
a preset time cycle of 7« minutes±20%.
To identify timer unit.
See Electrical Trouble
Shooting Manual.Electrical Troubleshooting
Manual
Switching OFF ignition, or further operation of heated
front screen switch during cycle will switch off screen
and cancel, reset and switch off timer unit.

86ELECTRICAL
42
REPAIR FOG LAMP - FRONT
Service repair no - 86.40.96
Remove
1.Locate and release lamp harness multiplug from
clip behind headlamp.
2.Disconnect multiplug.
3.Attach a draw string to harness.
4.Remove 2 nuts securing lamp bracket to bumper
studs.
5.Remove 2 screws securing lamp bracket to
spoiler.
6.Release lamp assembly and pull lamp harness
through front panel.
7.Detach draw string from harness.
8.Remove lamp/bracket assembly.
9.Remove 2 spire nuts from lamp bracket.
Refit
10.Reverse removal procedure.

ELECTRICAL
43
REPAIR ANTI-THEFT ALARM ECU (96 MODELS)
Service repair no - 86.55.85
Remove
1.Remove 4 studs securing fascia left hand
closing panel.
2.Remove closing panel.
3.Disconnect 2 multiplugs from ECU.
4.Remove nut securing ECU/relay bracket.
5.Lower bracket.
6.Remove 2 nuts securing ECU to bracket.
7.Remove ECU.
NOTE: A new ECU must be initialised
using TestBook.
Refit
8.Reverse removal procedure.HANDSET (96 MODELS)
If vehicle does not respond to handset immediately, it
may have lost synchronisation. To re-synchronise,
press either button, 4 times in quick succession. If
handset still fails to respond, check batteries, refer to
Owner's handbook. If batteries are okay, it may be
necessary to use emergency key access, refer to
Owner's handbook.
NOTE: New handsets must be initialised
using TestBook.
PASSIVE COIL (96 MODELS)
Service repair no - 86.77.35
Remove
1.Remove steering column shroud.
See
STEERING, Repair, Steering column shroud
2.Release multiplug from harness clip and
disconnect.
3.Release passive coil from starter switch.
4.Remove bulb holder/starter switch shroud.
5.Remove coil.
Refit
6.Fit coil, ensuring switch illumination bulb harness
passes through large cut-out.
7.Secure coil with cable tie.
8.Position bulb holder/starter switch shroud and
locate bulb.
9.Locate bulb holder/starter switch shroud,
ensuring cut-out in shroud aligns with lug on
starter switch.
10.Connect multiplug and secure to clip.
11.Fit column shroud.

86ELECTRICAL
44
REPAIR BONNET SWITCH
Service repair no - 86.55.89
Remove
1.Remove 2 bolts securing sounder, move
sounder aside.
2.Locate and disconnect bonnet switch multiplug.
3.Release and remove switch.
Refit
4.Reverse removal procedure.ULTRASONIC SENSOR
Service repair no - 86.77.32
Remove1.Release sensor from switch panel.
2.Disconnect multiplug and remove sensor.
Refit
3.Reverse removal procedure.
ANTI-THEFT ALARM INDICATOR LIGHT (96
MODELS)
Service repair no - 86.45.61
See Instrument illumination and warning light
bulbs
ENGINE IMMOBILISATION WARNING LIGHT (96
MODELS)
Service repair no - 86.45.61
See Instrument illumination and warning light
bulbs

ELECTRICAL
45
REPAIR SOUNDER (96 MODELS)
Service repair no - 86.55.87
Remove
NOTE: Failure to follow steps 1 and 2 will
result in sounder being activated.
1.Turn starter switch 'ON' then 'OFF'.
2.WITHIN 15 SECONDS, depress release clip on
multiplug and detach from sounder.
3.Remove 2 securing bolts and remove sounder
complete with bracket.
Refit
4.Reverse removal procedure.
NOTE: If sounder is accidentally activated,
it can be silenced, provided it is
reconnected, by turning starter switch to
position II.SWITCH - ELECTRIC SEAT
Service repair no - 86.75.03
Remove
1.Release switch panel from centre console.
2.Disconnect 2 switch multiplugs
3.Remove switch panel.
Refit
4.Reverse removal procedure.

86ELECTRICAL
46
REPAIR STARTER MOTOR - 4.0 V8
Service repair no - 86.60.01
Remove
1.Disconnect battery negative lead.
2.Raise vehicle on ramp.
3.Remove heated oxygen sensor from RH front
exhaust pipe.
See EMISSION CONTROL,
Repair, Heated Oxygen Sensor (HO2S) - 4.0
V8
4.Mark front propeller shaft and drive flanges for
assembly reference.
5.Remove 4 nuts and bolts securing propeller
shaft flange.
NOTE: Raise 1 front road wheel and rotate
propeller shaft to gain access to all
fixings.
6.Tie propeller shaft aside.
7.Position starter motor heat shield above motor.
See Starter Motor Heat Shield - 4.0 V8
8.Disconnect Lucar from solenoid.
9.Remove nut securing feed wires to starter
solenoid and disconnect from terminal.

ELECTRICAL
47
REPAIR
10.From above, remove top bolt securing starter
motor and position earth lead aside.
NOTE: To assist removal, use 230 mm
extension bar positioned between engine
mounting bracket and exhaust manifold.
11.Remove bottom bolt securing starter motor.
12.Remove starter motor.Refit
13.Ensure mating faces are clean.
14.Locate starter motor in fitted position and fit
bottom bolt finger tight.
15.Fit top bolt. Tighten to
42 Nm.
16.Bottom bolt. Tighten to42 Nm.
17.Connect feed wires to solenoid terminal. Secure
with nut.
18.Connect Lucar to starter solenoid.
19.Manoeuvre heat shield down and forward to
position bracket against engine mounting.
Engage clip on solenoid.
20.Align bracket to hole using suitable tool and fit
retaining bolt.
21.Clean flange mating surfaces, locate propeller
shaft and align reference marks.
22.Fit bolts and NEW nyloc nuts. Tighten to
48 Nm.
NOTE: Fit bolts with head towards transfer
box and away from differential.
23.Lower vehicle.
24.Reconnect battery negative lead.

86ELECTRICAL
48
REPAIR STARTER MOTOR HEAT SHIELD - 4.0 V8
Service repair no - 86.60.12
Remove
1.Disconnect battery negative lead.
2.Raise vehicle on ramp.
3.Remove heated oxygen sensor from RH exhaust
front pipe.
See EMISSION CONTROL, Repair,
Heated Oxygen Sensor (HO2S) - 4.0 V8
4.Remove bolt securing heat shield to RH engine
mounting bracket.
5.Release heat shield clip from starter solenoid.
6.Manoeuvre heat shield rearwards and around
starter motor.
Refit
7.Reverse removal procedure.BULB - FRONT FOG LAMP
Service repair no - 86.40.94
Remove
1.Remove front fog lamp.
See fog lamp - front
2.Remove 2 Torx screws securing fog lamp to
bracket and collect 2 spacers.
3.Release fog lamp adjustment ball joint from
bracket and remove lamp.
4.Release lamp lens from shroud.
5.Disconnect 2 Lucars from bulb.
6.Release bulb retaining clip.
7.Remove bulb from lens.

ELECTRICAL
49
REPAIR Refit
8.Fit bulb to lens.
9.Secure bulb retaining clip.
10.Connect 2 Lucars to bulb.
11.Position lamp lens to shroud.
12.Position lamp to bracket and secure fog lamp
adjustment ball joint to bracket.
13.Position spacers, align lamp to bracket and
secure with Torx screws.
14.Fit front fog lamp.
See fog lamp - front; Refit
CLOCK
Service repair no - 88.15.07
Remove
1.Remove drinks tray.
See CHASSIS AND
BODY, Repair, drinks tray
2.Release 4 clock panel securing tags.
3.Release clock panel from louvre panel.
4.Disconnect 2 multiplugs from clock.
5.Remove clock.
Refit
6.Position clock.
7.Connect multiplugs to clock and secure clock to
louvre panel.
8.Fit drinks tray.
See CHASSIS AND BODY,
Repair, drinks tray; Refit
REAR SPEAKER
Service repair no - 88.15.12
Remove
1.Remove 4 screws securing speaker.
2.Release speaker and disconnect 2 Lucars.
3.Remove speaker.
Refit
4.Position speaker, connect Lucars and secure
with screws.

86ELECTRICAL
50
REPAIR DIGITAL DIESEL SHUT-OFF VALVE (DDS) - 97 MY
Service repair no - 86.77.00
Remove
1.Remove fuel injection pump.
See FUEL
SYSTEM, Repair, fuel injection pump and
timing
2.Drill into 2 break-off screws to a depth of
approximately 5 mm using a 3.2 mm drill.
CAUTION: Use a drill bushing to guide the
drill during the above.
3.Using an 'Easy-out' remove 2 valve retaining
screws and discard.
4.Release DDS valve from fuel shut-off solenoid.
5.Remove protective cap from fuel shut-off
solenoid electrical connection.
6.Remove fuel shut-off solenoid terminal nut and
remove DDS valve.
Refit
7.Position DDS terminal lead to fuel shut-off
solenoid and secure with nut tightened to
2Nm.
8.Position DDS valve to fuel shut-off solenoid .
9.Position clamping plate to DDS valve and tighten
shear bolts simultaneously until heads shear.
10.Fit fuel injection pump.
See FUEL SYSTEM,
Repair, fuel injection pump and timing; Refit
ANTENNA AMPLIFIER - 97 MY
Service repair no - 86.50.29
Remove
1.Remove RH alpine light trim casing.
See
CHASSIS AND BODY, Repair, alpine light
trim casing
2.Release amplifier to sixth light connector and
seal finisher.
3.Remove screw securing amplifier to body and
release from location.
4.Disconnect co-axial cable from amplifier.
5.Disconnect Lucar from amplifier.
6.Remove amplifier.
Refit
7.Fit amplifier, connect co-axial cable and Lucar to
amplifier.
8.Position amplifier to location and secure with
screw.
9.Secure amplifier lead through seal finisher and
connect to sixth light.
10.Fit RH alpine light trim casing.
See CHASSIS
AND BODY, Repair, alpine light trim casing;
Refit