Page 10 of 241
AUDIO SYSTEM
TSB Revision
CIRCUIT DIAGRAMS90-168
AUDIO SYSTEM
AMPLIFIER>
M1901015602949
FUSIBLE
LINK34FUSIBLE
LINK36
REFER TO
POWER
DISTRIBUTION
SYSTEM
CENTER PANEL UNIT
ETACS-
ECU
AUDIO SWITCH PANELLCD PANEL (AUDIO)
RADIO AND CD PLAYER OR CD CHANGER RELAY BOX
ENGINE
COMPARTMENT
HANDS FREE
SYSTEM
JOINT
CONNECTOR
(3)
Page 11 of 241
AUDIO SYSTEM
TSB Revision
CIRCUIT DIAGRAMS90-169
FUSIBLE
LINK37
ACC
RELAY 2ROOF ANTENNA
ANTENNA
AMPLIFIER
ANTENNA FEEDER CABLE
ETACS-ECU IGNITION
SWITCH (ACC)
REFER TO
POWER
DISTRIBUTION
SYSTEM
WIRE COLOR CODE
B : BLACK LG : LIGHT GREEN G : GREEN L : BLUE W : WHITE Y : YELLOW SB : SKY BLUE
BR : BROWN O : ORANGE GR : GRAY R : RED P : PINK V : VIOLET PU : PURPLE COMBINATION METER
A/C
CONTROL
PANEL
JOINT
CONNECTOR
(3)
Page 17 of 241
AUDIO SYSTEM
TSB Revision
CIRCUIT DIAGRAMS90-175
ACC
RELAY 2 FUSIBLE
LINK
37
ROOF ANTENNA
ANTENNA AMPLIFIER
ANTENNA FEEDER CABLE ANTENNA FEEDER CABLE
ETACS-
ECU
RADIO AND CD PLAYER OR CD CHANGER
SATELLITE RADIO TUNER> IGNITION
SWITCH (ACC)
SATELLITE
RADIO TUNER
WIRE COLOR CODE
B : BLACK LG : LIGHT GREEN G : GREEN L : BLUE W : WHITE Y : YELLOW SB : SKY BLUE
BR : BROWN O : ORANGE GR : GRAY R : RED P : PINK V : VIOLET PU : PURPLEJOINT
CONNECTOR
(1)
REFER TO
POWER
DISTRIBUTION
SYSTEM
Page 26 of 241
CLOCK
TSB Revision
CIRCUIT DIAGRAMS90-184
CLOCKM1901007701669
ETACS-
ECU
ACC
RELAY 2
37FUSIBLE
LINK36FUSIBLE
LINK
RELAY BOX
ENGINE
COMPARTMENTIGNITION
SWITCH (ACC)
RADIO AND CD PLAYER OR CD CHANGER COMBINATION METERINTERFACE
CIRCUIT
·AUDIO SYSTEM
·CONTROLLER
AREA NETWORK (CAN)
·HANDS FREE SYSTEM
·MITSUBISHI
MULTI-COMMUNICATION
SYSTEM (MMCS)
CPUINTERFACE
CIRCUIT JOINT
CONNECTOR (3)
REFER TO
POWER
DISTRIBUTION
SYSTEM
JOINT
CONNECTOR (3)
Page 27 of 241
MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)
TSB Revision
CIRCUIT DIAGRAMS90-186
MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)M1901007500123
FUSIBLE
LINK34
ETACS-
ECUFUSIBLE
LINK
36
AUDIO AMPLIFIER
AUDIO VISUAL NAVIGATION UNIT RELAY BOX
ENGINE
COMPARTMENT
HANDS FREE
SYSTEM REFER TO POWER
DISTRIBUTION
SYSTEM
AUDIO AMPLIFIER>
JOINT
CONNECTOR (3)
Page 28 of 241
MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)
TSB Revision
CIRCUIT DIAGRAMS90-187
ACC
RELAY 2 FUSIBLE
LINK
37
ROOF ANTENNA
ANTENNA AMPLIFIER
ANTENNA FEEDER CABLE ANTENNA FEEDER CABLE
ETACS-
ECU
SATELLITE RADIO
TUNER> IGNITION
SWITCH (ACC)
SATELLITE
RADIO TUNER
WIRE COLOR CODE
B : BLACK LG : LIGHT GREEN G : GREEN L : BLUE W : WHITE Y : YELLOW SB : SKY BLUE
BR : BROWN O : ORANGE GR : GRAY R : RED P : PINK V : VIOLET PU : PURPLE
REFER TO
POWER
DISTRIBUTION
SYSTEM
JOINT
CONNECTOR (3)
Page 30 of 241
MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)
TSB Revision
CIRCUIT DIAGRAMS90-189
INTERFACE
CIRCUITCAN DRIVE
CIRCUIT
DATA LINK
CONNECTOR ETACS-ECU
INTERFACE
CIRCUIT CAN DRIVE
CIRCUIT
ETACS-ECU
(FUSE )
5
WIRE COLOR CODE
B : BLACK LG : LIGHT GREEN G : GREEN L : BLUE W : WHITE Y : YELLOW SB : SKY BLUE
BR : BROWN O : ORANGE GR : GRAY R : RED P : PINK V : VIOLET PU : PURPLEJOINT
CONNECTOR
(CAN1)FUSIBLE
LINK
34IGNITION
SWITCH (IG1)
IG1
RELAY
REFER TO
POWER
DISTRIBUTION
SYSTEM
JOINT
CONNECTOR
(4)
FRONT SIDE
Page 73 of 241

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-11
POSITIVE CRANKCASE VENTILATION (PCV)
VA LV E
PCV valve lifts the plunger according to negative pressure in
the intake manifold to create appropriate ventilation for the
crankcase.
EVAPORATIVE EMISSION CONTROL SYSTEMM2171000200147
HC (hydrocarbon) generated in the fuel tank are
adsorbed by the active carbon in the canister and
stored. HC stored in the canister is introduced to the
intake manifold when engine is in operation where it
is mixed with intake air and combusted. ECM intro
-
duces optimum HC amount according to driving con-
ditions and so performs duty control on the
evaporative emission purge solenoid. Also, the evap
-
orative emission purge solenoid is closed during
deceleration or immediately after engine start to
restrict change in air-fuel ratio and prevent engine
from stalling.
AK602324AC
Plunger
From
rocker
coverTo intake
manifold
Spring
AK604143
Evaporative emission
purge solenoid
Mass airflow sensor
ECM Intake air temperature sensor
Manifold absolute pressure
sensor
Engine coolant temperature
sensor
Throttle position sensor
Crankshaft position sensorEvaporative emission
canister
AB
MFI relay
Battery