2006 MITSUBISHI COLT ecu light

ELECTRICAL POWER STEERING
POWER STEERING37-7
ELECTRICAL POWER STEERING
GENERAL INFORMATIONM2370000100862
Vehicle-speed sensitive electric power steering
(whole range type) has been adopted. This system
allows a light steering force during stationary steer
-
ing manoeuvre or low speed driving, and a moderate
steering force during medium or high speed driving.
For vehicles with this system, the electric power
steering-ECU controls the motor current according to
the vehicle speed and steering force of the steering
wheel.
CAN* communication has been adopted in order to
communicate with another ECUs for obtaining nec
-
essary information related to this control, achieving
wiring harness saving and secure data communica
-
tion.
NOTE: *: For more information about CAN (Control-
ler Area Network), refer to GROUP 54C, General
Information
P.54C-2.
SPECIFICATIONS
ItemSpecification
MotorTy p ePermanent magnetic field type
Rated voltage (V)DC12
Rated current (A)50
Torque sensorTy p eNoncontact type (Inductance detection type)
Electric power
steering-ECUControl typeMicrocomputer control (16 bit)
Rated voltage (V)DC12
SYSTEM CONFIGURATION
AC601667AB
Electric power
steering-ECU
Ignition switch
Power supply to electric
power steering-ECU
Vehicle speed sensor
Motor Motor current value Engine speed
Torque sensor signal (main) Electric power
steering warning lamp
Diagnosis connector
Motor current
Torque sensor
Torque sensor signal (sub) Engine-CVT-ECU or
engine-ECU
NO
TE: Dash ed lines indicat e CAN-bu s lines.

MULTI-DISTRIBUTION INPUT/OUTPUT BY CIRCUIT
SMART WIRING SYSTEM (SWS)54B-4
MULTI-DISTRIBUTION INPUT/OUTPUT BY CIRCUIT
M2541002000649
Multi-distribution is employed by the following cir-
cuits. The relation of the input switches, sensors,
ECUs connected by multi-distribution lines, and out
-
puts are also shown below.
Buzzer
•Lamp reminder buzzer function
•Door-ajar warning buzzer function
•
AC601725AB
• Ignition switch (IG1)
• Driver's door switch
• Hazard lamp switch
Combination meter
• Vehicle speed signal 
• Ignition switch (IG1) ETACS-ECU
Circuit and Input Switch
ECUs and Switches
Connected by
Multi-DistributionOutput
Buzzer (built-in ETACS-ECU)
: CAN communication line : SWS communication line
Column switch
(Lighting or turn
signal lamp
switch)
T u rn-sign a l op eratio n so und fun c tion
Keyless e n try
•Multi-mode keyless en try system
•Keyless entry hazard a n swerba ck function
•
AC401127AB
• Respective door switches
• Key reminder switch
• Keyless entry transmitter ETACS-ECU
•
Electric retractable remote
controlled mirror
• Respective turn signal lamps
• Room lamp
Circuit and Input Switch
ECUs and Switches
Connected by
Multi-DistributionOutput
Keyless ent
ry roo m la mp a n swerba ck funct i on

MULTI-DISTRIBUTION INPUT/OUTPUT BY CIRCUIT
SMART WIRING SYSTEM (SWS)54B-6
Rear wiper washer
•Rear wiper•
AC207065
ETACS-ECU
AB
Circuit and Input Switch
ECUs and Switches
Connected by
Multi-Distribution
Output
• Ignition switch (IG1)
• Ignition switch (ACC)
Engine-CVT-ECU
• Inhibitor switch
Combination meter
•
Ignition switch (IG1) Column switch
(Rear wiper and
washer switch)
• Rear wiper motor
• Rear washer motor
: SWS communication line
: CAN communication line
Rear washer
Lighting
•Headlamp , t a il lamp•
AC401132AC
• Ignition switch (IG1)
• Fog lamp switch
• Driver's door switch
Combination meter
• High beam indicator lamp
• Fog lamp indicator lamp
•
Illumination lamps
• Headlamp
• Tail lamps
• Fog lamps
Combination meter
• Ignition switch (IG1) ETACS-ECU
Circuit and Input SwitchECUs and Switches
Connected by
Multi-Distribution
Output
Column switch
(Lighting switch)
: SWS communication line
: CAN communication line
Fog lamp

DIAGNOSTIC FUNCTION
SMART WIRING SYSTEM (SWS)54B-8
DIAGNOSTIC FUNCTION
M2541003000642
DIAGNOSIS CODE SET
For more information about diagnosis code output,
refer to the Workshop Manual.
SWS INPUT SIGNAL CHECK USING
M.U.T.-III
When the M.U.T.-III is connected to the diagnosis
connector and any of the SWS-linked switches is
operated, the PC buzzer sounds to evaluate whether
the switch is normal or not.
SWS INPUT SIGNAL CHECK AND ECU
CHECK BY USING SWS MONITOR
The switch signals sent by ECUs and the operations
of these ECUs can be confirmed by using the SWS
monitor and the M.U.T.-III.
INPUT SIGNALS THAT CAN BE CHECKED
Input signalCondition for sounding buzzerDisplay on
M.U.T.-III (when
SWS monitor is
used)
Ignition switch (ACC)Turn from "LOCK" (OFF) to "ACC" positionfrom OFF to ON
Ignition switch (IG1)Turn from "ACC" to "ON" positionfrom OFF to ON
Key reminder switchRemove the ignition key from ignition key cylinder
(form inserted position)from OFF to ON
Hazard lamp switchTurn from OFF to ONfrom OFF to ON
Fog lamp switch
Remote controlled mirror
switch (unfolding/folding
switch)
Speed signal When the speed changes from less than 10 km/h to
more than 10 km/hDisplays the
vehicle speed
Cranking signalWhile the ignition switch is in START position (while
cranking the engine)−
Selector lever P position signal
(parking)When the selector lever is shifted to the "P" position
(Ignition switch: ON or START)−
Selector lever R position signal
(reverse)When the selector lever is shifted to the "R" position
(Ignition switch: ON or START)−
Buzzer triggered by
ETACS-ECU
*1
When the following conditions are satisfied
•Ignition switch: LOCK (OFF) position
•Lighting switch: ON
•Driver’s door switch: ON (Driver’s door: OPEN)
ON
When requirements for sounding each warning buzzer
are not satisfiedOFF
Door switchDriver’s doorWhen door(s) or tailgate is opened from the closed
positionfrom OFF to ON
Passenger’s
door
Rear door
All door switchA door is opened when all the doors are closedfrom OFF to ON

ECU FUNCTIONS AND CONTROLS IN THE SWS
SMART WIRING SYSTEM (SWS)54B-22
HAZARD LAMP
AC101509
ON
OFF
ON
OFF
ON
OFF
Hazard lamp
switch
Turn signal
lamp output
RH
Turn signal
lamp output
LH
AC
When th
e hazard lamp switch inp u t signal turning
from OFF
to ON is dete c te d, the fla s h i ng st a t es tu rns
over b
y the signal (When th e hazard lamp is n o t
blin
kin g , it b lin ks. If it is b linking , it tu rns o f f).
NOTE: .
1.The push -return switch is adop ted for t he hazard
la mp switch .
2. Even if th e lamp bulb has burn ed o u t, the fla s hing
sp eed o f the ha zard lamp is not chang ed.
TURN-SIGNAL LAMP INDICAT O R
The ETACS-ECU sen d s th e turn sign al lamp indica-
tor ON sig nal to the combin ation mete r throu gh CAN
communicat
i on in synchronization with the turn sig
-
nal lamp operat ion. T he co mbination me ter receives
the tran
smitted sig nal a nd turns ON o r OFF the
turn-signal lamp indicator
.
HEADLAMP
HIGH-BEAM INDICA T O R
The ETACS-ECU sends th e high be am in dica tor ON
sig
nal to the comb ination meter th rough CAN co m
-
munication in synchr onizatio n with t he high bea m
headlamp
operation. T he co mbinatio n me ter
receives the
transmit t ed signa l and turns ON o r OF F
the high be
am indicator .
FOG LAMP
FOG LAMP CONTROL
AC401793AB
OFFON
(Extinguished) OFF (Illuminated) ON
(Extinguished) OFF (Illuminated) ON Tail lamp
Headlamp
OFF
Fog lamp switch Lighting switch
Headlamp
Tail lamp
(Extinguished) OFF(Illuminated) ON
Fog lamp output
When th e fog lamp switch is turn ed to ON with th e
t
a il lamp o r the h eadla m p lit (th e t a il lamp switch or
the hea
dlamp switch is ON), the fog lamp relay turns
ON, and
the fo g lamp s turn on.
If the ta il la mp or the he adlamp is turn ed of f with th e
ligh
t ing switch OF F while the fo g lamp s lit, the fog
lamp
s turn o f f the same time to prevent una ttende d
operation.
FOG LAMP INDICAT O R
The ETACS-ECU sen d s th e fog lamp indicat o r ON
sig
nal to the comb ination meter th rough CAN co m
-
munication in synchr onizatio n with t he fog lamp
operation.
The comb ination meter receives the trans
-
mitted signal and t u rns ON or OFF the fog lamp indi-
cator.

GENERAL INFORMATION
BASIC BRAKE SYSTEM35A-2
GENERAL INFORMATION
M2350000100848
FEATURES
Brake system with high reliability and durability have
achieved distinguished braking performance.
BRAKING PERFORMANCE
•Brake booster with 9-inch variable amplification
ratio mechanism by which greater braking force
can be obtained with a less pedal pressure has
been installed (with brake assist function).
•14-inch disc brake is installed on the front
wheels.
•15-inch disc brake is installed on the front
wheels.
•8-inch leading trailing type drum brake is installed
on the rear wheels.
•14-inch disc brake is installed on the rear wheels.

STABILITY
•4-wheel anti-lock braking system (4ABS) is
adopted to prevent slipping caused by the vehicle
wheels locking up, in order to maintain appropri
-
ate braking distance, and also to maintain vehicle
stability and steering function.
•Electronic brake-force distribution (EBD) is
adopted to maintain the maximum amount of rear
braking force even when the vehicle's load is var
-
ied.
•Diagonal split (X-type) brake fluid line is adopted.
•Ventilated discs have been adopted to front
brakes to improve anti-fading performance.
•A brake pedal retraction suppression structure
that restrains the retraction of the brake pedal
and reduces the shock to the feet of the driver in
the event of a frontal collision has been adopted.
SERVICEABILITY
•Diagnosis function is adopted for the ABS system
in order to make inspection easier.
•For the front disc brakes, brake disc separated
front hub is adapted to make removal and instal
-
lation easier.
•ABS-ECU and hydraulic unit have been inte-
grated to make them more compact and lighter.