2004 MITSUBISHI LANCER EVOLUTION VIII light

35CHANGING WELDED PANELS – ALUMINIUM ALLOY PANELS
ALUMINIUM ALLOY PANELS
Repairing Aluminium Alloy Panels
Precautions when working on sheet metal
1. The main differences to working with sheet steel. (Assuming an ordinary body shop)
OperationAluminium alloy panelSheet steel
HammeringWood or plastic hammerSheet steel hammer
Washer weldingNot possiblePossible
Gas weldingWorkability is poor but possiblePossible
Spot weldingNot possiblePossible
MIG weldingPossible with welder using argon gas and equipment for
aluminium weldingPossible with CO2gas and normal welding
equipment
2. At low temperatures, if subjected to a major impact, strength will deteriorate and it will crack.
3. Coefficient of elasticity is high, so springback (force acting to make material regain original form) is high.
4. Rate of heat transmission is high, and this can cause local thermal expansion.
5. If overheated, it becomes brittle, and strength deteriorates. If heated further, it will melt without discolouration.
(Heat treatment temperature: approx. 250˚C)
MaterialWelding temperature
Aluminium475˚C~660˚C (varies depending on alloy composition)
Sheet steel1500˚C~2500˚C
6. Material is soft, so be careful when selecting polish to use.
Also, since polishing powder is light and easily airborne, wear dust mask and goggles.
7. If strong pressure is used when using a disk sander on the alloy, the friction could cause the aluminium alloy to peel off,
and cause clogging.
8. Disk sanders that become clogged will cause deep scratching on aluminium alloy panels, so replace promptly.
9.Do not use general tools or sanders for sanding sheet steel.
(steel fragments or dust will remain on the sander, causing electrocorrosion with other metal)
10.With MIG welding, shield the local area.Sparks, often difficult to see, can be generated and dispersed over a wide area.
Repairing unevenness
This is basically the same as for sheet steel.However, bear in mind
aluminium alloy characteristics when carrying out this work.
1.Repairing sheet metal
(1) Heat with a torch
Note
a. Heat to the point where heat can be felt on the rear side
of panel with hand wearing a glove.
b. Keep torch moving so as not to overheat one area.

37CHANGING WELDED PANELS – ALUMINIUM ALLOY PANELS
MIG welding procedure
1.Repairing sheet metal
These should be repaired by heating the damaged part gently,
and lightly hammering. The areas stretched by hammering out
should be cut away using an air saw.
Note
(1) Take care not to overstretch or damage the panel.
(2) The gaps at the joint areas should be as narrow as
possible.
2. Welding
This work should be done using equipment designed for
aluminium welding or equipment that can be used for bothaluminium and steel plate welding.
• Welding wire: 5356, 5556, 5183 (JIS classifications)
• Wire dia.: 0.8 or 1.0mm
(1) Remove any grease from welding areas using white spirit
or similar.
(2) Immediately prior to welding, remove any oxidation film
with a stainless steel wire brush (including the rear side), and
carry out the work immediately after cleaning.
Note
To minimize distortion and material melting and coming
away, weld a little at a time, rather than welding long
stretches.
3.Inspecting welded areas
After finishing off areas sanded with #100 disk sander, check
that there are no inadequately welded parts (red check).
Note
The panel surface should not be excessively sanded away.
4.Checking for distortions
Polish with #80 ~ #120 sandpaper, and check for distortion.
5. Removing distortions
Remove any distortions by pressing out using a levelling
hammer and a torch.
Note
(1) Heat to approx. 250˚C to do this work
(2) Take care when heating so that welding can be done
without heating causing any discolouration

GENERAL INFORMATION - DETAILS OF CHANGES0-3
Main circuit Name of circuit Page Details of change
J/C - p.3-2• Partial changes to circuit and
destination system names in J/C(1) —
(6)
-• With the introduction of manual air
conditioning, the circuit used by the
fusible link No.2 has been changed.
• Wastegate solenoid valve 2 added to
load of special fuse No.3.
• Rating of special fuse No.10 changed
from 15A to 20A.
Power supply - p.3-10• Partial changes to destination system
names.
• Earth No.13 added.
• Rating of special fuse No.10 changed
from 15A to 20A.
• Partial changes to circuit details, due
to removal of sunroof.
Engine control - p.3-16• Rating of special fuse No.10 changed
from 15A to 20A.
• Earth No.13 added.
• Some changes to circuit, due to
addition of wastegate solenoid valve
2 (B-32).
• Partial changes, due to removal of
DVD-MMCS
Lighting Interior lights, boot interior
light, ignition key cylinder
illumination light, door not
closed indicator light-• Change to terminal number in J/C(2)
(C-119) on line linking ETACS and
diagnosis connector. (No.1 " No.5)
Reversing lights -• Change to terminal number in J/C(2)
(C-119) on line linking reversing light
and rear combination light (LH).
(No.18 " No.19)Signal
Stop lights p.3-24• Spare connector (F-28) added, and
circuit partially changed.
Meters / Gauges -Meters
Remaining fuel warning
light, oil pressure warning
light, brake warning light,
seatbelt warning light-• Change to terminal number in J/C(1)
(C-07) on line inking J/B (general fuse
No.18) and combination meter. (No.4
" No.8)
• Change to terminal number in J/C(4)
(C-110) on line linking combination
meter and fuel gauge unit (sub).
(No.20 " No.21)
Door opening
controlElectric windows -• Change to terminal number in J/C(2)
(C-119) on line linking power window
main switch and diagnosis connector.
(No.12 " No.14)
Fully automatic air
conditioning-• Change to terminal number in J/C(1)
(C-07) on line linking J/B (general
fuse No. 18) and A/C-ECU. (No.6 "
No.4)
• Change to terminal number in J/C(5)
(C-06) on line linking A/C-ECU and
diagnosis connector. (No.8 " No.9)Air
conditioning
Manual air conditioning p.3-26• With the adoption of manual air
conditioning, a new circuit has been
installed.
Windscreen wipers and
washers-Safety and
visibility
Electric retractable remote
control door mirrors-• Change to terminal number in J/C(2)
(C-119) on line linking ETACS and
diagnosis connector. (No.1 " No.5)
Circuit diagrams
M3000004500157

GENERAL INFORMATION - LIST OF CIRCUIT DIAGRAMS0-5
Main circuit Name of Circuit Circuit Diagram
J/B -!
J/C -#
Central junction -#
Power supply -#
Start up -!
Ignition -!
Charging -!
Engine control -#
Coolant -!
Headlights (excluding discharge type)!
Headlight (discharge type)!
Tail lights, side lights, licence plate lights, lighting monitor
warning buzzer!
Cabin lights, boot interior light, ignition key cylinder
illumination light, door not closed indicator light *2!
Fog lights!
Lighting
Headlight levelling system
!
Indicator lights, hazard warning lights!
Reversing lights *2!
Stop lights#
Signalling
Horn
!
Meters / Gauges *2!Meters
Remaining fuel warning light, oil pressure warning light,
brake warning light, seatbelt warning light *2
!
Electric windows *2!
Central door locking (vehicle not fitted with keyless entry)!
Door opening control
Central door locking (vehicle fitted with keyless entry)
!
Heater!
Fully automatic air conditioning!
Air conditioning
Manual air conditioning
#
List of Circuit Diagrams
M3000006000169
Notes:
1. This list of circuit diagrams indicates whether each circuit has been modified or added.
2. The “●” symbol indicates a circuit that has been modified or added. Diagrams for these circuits are included in
this supplement.
3. The “


” symbol indicates a circuit that is unchanged. Details of these circuits can be found in the existing
Electrical Wiring Diagram manual (’03-1 No.1036K77).
4. The “X” symbol indicates a circuit that is unrelated to the vehicle referred to in this manual.
5. The “*1” symbol marks circuits whose names have been changed the previous names.
6. The “*2” symbol marks circuits whose J/C terminal numbers have changed. For more information, please refer
to the “Details of Changes” table above.

GENERAL INFORMATION - LIST OF CIRCUIT DIAGRAMS0-6
Main circuit Name of Circuit Circuit Diagram
Windscreen wipers, washers *2!
Rear wiper, washer!
Demister (vehicle not fitted with fully automatic A/C)!
Demister, door mirror heating elements (vehicle fitted with
fully automatic A/C)!
Safety / Visibility
Electric retractable remote control door mirrors *2
!
Spare Audio connectors *1,2!
DVD-MMCS X
Clock *1,2!
Accessories
Cigar lighter, ashtray illumination light
!
ABS#
ACD (vehicle not fitted with AYC)#
ACD, AYC#
SRS airbags, seatbelt pre-tensioners (vehicle not fitted
with side airbags)!
SRS airbags, seatbelt pre-tensioners (vehicle fitted with
side airbags)!
Sun roof X
Ignition key reminder buzzer!
Intercooler water spray *2!
Engine immobiliser system#
Security alarm!
Spare connectors for fog lights!
Special Equipment
Spare general connectors *2
!

WIRING DIAGRAMS - BOOT INTERIOR1-6
BOOT INTERIOR
F-01 (2) Boot interior light
F-02 (2-grey) High-mount stop light
F-05 (4) Rear wiper motor
F-06 (2) Rear speaker (RH)
F-07 (1) Demister (+)
F-10 (6-black) Rear combination light (RH)
F-11 (1) Book interior light switch
F-12 (2-grey) Licence plate light (RH)
F-13 (2-grey) Licence plate light (LH)
F-14 (2-grey) Junction between floor harness (LH) &
bumper harness
F-15 (6-black) Rear combination light (LH)
F-16 (2) Rear speaker (LH)
F-18 (1-black) Demister (-)
F-19 (2) Windscreen washer motorF-20 (2-green) Rear washer motor
F-21 (2-black) Electrical pump
F-22 (8-grey) Junction between floor harness (LH) and
4WD harness (vehicle with AYC)
F-23 (2-black) Directional valve (left) (vehicle with AYC)
F-24 (2-black) Directional valve (right) (vehicle with AYC)
F-25 (3-black) Proportional valve (for ACD)
F-26 (3-black) Proportional valve (for AYC) (vehicle with
AYC)
F-27 (3-black) Pressure sensor
(2) Spare connector
• Boxed connector numbers indicate newly added connectors.
F-28
Demister earth
Floor
harness (LH)
4WD
harnessBumper
harness
Floor harness
(RH)
Connector
symbol

3-1
SECTION 3
CIRCUIT DIAGRAMS
CONTENTS
J/C ............................................................3-2
Central Junction .....................................3-8
Power Supply ........................................3-10
Engine Control ......................................3-16
Signalling
Stop lights ........................................................3-24
Air Conditioning
Manual A/C ......................................................3-26
Special Equipment
ABS ..................................................................3-32
ACD (vehicle without AYC) ..............................3-40
ACD, AYC ........................................................3-48
Engine immobiliser system ..............................3-58

COMPONENT INSTALLATION POSITIONS - J/C3-2
J/C
Note :
In an actual vehicle, any of the terminals connected in the J/C
may be used. Therefore, the terminal numbers given in the
circuit diagrams may not coincide with the terminal arrangement
in the actual vehicle.
• Windscreen wiper
& washer
• Indicator lights,
hazard warning
lights
• Tail lights, side
lights, licence
plate lights,
lightning monitor
warning buzzer• Fog lights
• Headlights
• Headlight levelling
system
• Rear wiper /
washer
Full auto
A/C
General
spare
connector
Clock
Spare audio
connector
• Warning
lights
• Meter
gauge
• ACD
• Engine
control
J/B
General fuse
()18
General
spare
connector
Fog light
Spare audio
connector
• Demister (Vehicle
w/out full auto A/C)
• Demister, door
mirror heating
element (vehicle
with full auto A/C)
• Heater
• Full auto A/C
• Manual A/C
Cigar lighter
Ashtray
illumination
light
Clock
ACD
Headlight
levelling
system
Indicator light
Hazard
warning lights
Intercooler
water spray
General fuse15
• Meter gauge
• Tail lights, side
lights, licence
plate lights,
lighting monitor
warning buzzer