2004 MITSUBISHI LANCER EVOLUTION VIII AYC

MANUAL TRANSMISSION TROUBLESHOOTING2216
Code No.63 Parking brake switchAssumed cause of concern
In cases where, at 15kph or over, the parking brake switch
remains ON for 15 minutes or more, code No.63 is output.• Parking brake switch malfunction
•Harness, connector malfunction
• ABSECU malfunction,
•4WDECU malfunction
Remarks*1: Refer to ’005 Lancer Sedia Service Manual (No.1036K00)
MUTII/III Service data
• No.62 Parking brake switch
(1)Apply parking brake lever
OK:ON
(2)Release parking brake lever
OK:OFF
OK > intermittent malfunction
When parking brake lever is
released, does the brake
warning lamp go off?
Measurement at D25, parking
brake switch connector
•Undo connector, take
measurement on harness side
•Ignition switch: ON
• Voltage between 1 – earth
OK:battery voltage
Connector check:D25
NG > repair
Check, and if necessary adjust,
the play in the parking brake
lever
(refer to Group 36 – Vehicle
Servicing)
*1
NG > Adjust
Check parking brake switch
(refer to Group 36 – Vehicle
Servicing)
*1
NG > adjust
Connector check:C37, D25,
C20NG > repair
Connector check:D25, C37,
C20, B109 vehicles>
D25, C20, C37 vehicles>
NG > repair
(1)Check harness between
parking brake switch – 4WD
ECU
• Check output wire for
earth, damage
(2)Check harness between
parking brake switch –
combi.meter
• Check power supply wire
for earth, damage
(3) Check harness between
parking brake switch – ABS
ECU.

• Check output wire forearth, damage
NG > repair
Replace hydraulic unit, ABS
ECUCheck harness between
parking break switch – 4WD
ECU
• Check output wire to see if
broken or damaged
NG > repair
MUTII/III Service data
• No.62 Parking brake switch
(1)Apply parking brake lever
OK:ON
(2)Release parking brake lever
OK:OFF
NG > replace 4WDECU
OK > intermittent malfunction
Check brake warning lamp bulb
NG > replace
Replace combi. meter
YESOK
(1) OK
(2) OK
NG
NG
NO
OK
OK
OK
(3) OK
OK
OK
OK

MANUAL TRANSMISSION TROUBLESHOOTING2217
Code No.65 ABS monitor systemAssumed cause of concern
In cases where the ABS is detected to have been operating
continuously for at least 1 minute, code No.65 is output.• Harness, connector malfunction
• ABSECU malfunction
• 4WDECU malfunction

MUTII/III Service data
• No.61 ABS monitor
(1)ABSECU connector: undo
OK:ON
(2)ABSECU connector: connect
OK:OFF
OK > intermittent malfunction
Measurement at C37 4WDECU
• Undo connector, take measurement on harness side
• Voltage between 48 – body earth
OK:battery voltage
Connector check:C37
NG> repair
MUTII/III Service data
• No.61 ABS monitor
(1)Press ACD mode switch
OK:OFF
NG > replace 4WDECU
OK > intermittent malfunction
Connector check:C37, B109
NG > repair
Check harness between 4WDECU and ABSECU
• Check output wire for shorting, damage
NG > repair
Connector check:C37, B109
NG > repair
Check harness between 4WDECU and ABSECU
• Check output wire to see if broken, shorting, or
damaged
NG > repair
B109 Measurement at ABSECU connector
• ECU terminal voltage measurement
• Voltage between 3 – body earth
• Carry out ABS actuator test (no.05: ABS signal)
OK:For 10 seconds during test, 1V or less, after
which battery voltage
NG > replace hydraulic unit, ABSECU
(1) NG
NG
(2) NG
OK
OK
OK
OKOK

GENERAL INFORMATION - DETAILS OF CHANGES0-4
Main circuit Name of circuit Page Details of change
Spare Audio connectors -• Change to terminal number in J/C(1)
(C-07) on line inking J/B (general fuse
No.18) and spare audio connector.
(No.3 " No.7)Accessories
Clock -• Change to terminal number in J/C(1)
(C-07) on line inking J/B (general fuse
No.18) and clock. (No.2 " No.6)
Special
EquipmentABS p.3-32
ACD (Vehicles not fitted with
AYC)p.3-40• Circuit changed due to change in
branching point of connector for
4WD-ECU (C-37) (C-38) (from
instrument panel harness to control
harness).
• J/C(6) (C-23) added between ABS-
ECU and 7
th terminal of junction
connector (C-20) between instrument
panel harness and control harness.
• J/C(6) (C-23) added between ABS-
ECU and 22
nd terminal of junction
connector (C-22) between instrument
panel harness and control harness.
ACD, AYC p.3-48• Circuit changed due to change in
branching point of connector for
4WD-ECU (C-37) (C-38) (from
instrument panel harness to control
harness).
• Earth No.13 added
• J/C(6) (C-23) added between 4WD-
ECU and 7
th terminal of junction
connector (C-20) between instrument
panel harness and control harness.
• J/C(6) (C-23) added between 4WD-
ECU and 22
nd terminal of junction
connector (C-22) between instrument
panel harness and control harness.
Intercooler water spray -• Change to terminal number in J/C(1)
(C-07). (No.12 " No.21).
Engine immobiliser system p.3-58• Partial changes due to removal of
DVD-MMCS.
• Partial changes to circuit, due to
change in installation point of
immobiliser ECU.
Spare general connectors -• Change to terminal numbers in J/C(1)
(C-07) on line linking J/B (general
fuse No.18) / special fuse No.15, and
general spare connectors. (No.7 "
No.5), (No.21 " No.12).

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

CIRCUIT DIAGRAMS - SPECIAL EQUIPMENT3-40
ACD (Vehicle not fitted with AYC)
Fusible link1Ignition switch
(IG2)Battery
General fuse
Stop light
switch
Stop light
Back-up
power supply
Engine
control
Power
supply

CIRCUIT DIAGRAMS - SPECIAL EQUIPMENT3-42
ACD (Vehicle not fitted with AYC) (cont’d)
Front ECU
(tail light relay)
Special
fuse
Tail lights, side
lights, licence
plate lights,
lighting monitoring
warning buzzer
•Meter gauges
•Tail lights, side
lights, licence plate
lights, lighting
monitoring warning
buzzer
ACD
mode
switch
Ignition switch
(IG1)
•Windscreen wiper /
washer
•Engine control
•Meter gauge
•Indicator light, hazard
lights
•Tail lights, side lights,
licence plate lights,
lighting monitoring
warning buzzer
•Electric retractable
remote control door
mirrors
•General spare
connectors
•Fog lights
•Headlights
•Rear wiper / washer
•Cabin lights, boot
interior light, ignition
key cylinder illumination
light, door not properly
closed indicator light
Combination
meter