Mitsubishi Galant (2004+). Manual — part 1741
IGNITION TIMING CONTROL
MULTIPORT FUEL SYSTEM (MFI) <2.4L ENGINE>
13A-7
IGNITION TIMING CONTROL
M2132005000266
•
The ignition coil is the direct-ignition type in which
one coil is provided for every cylinder. This has
improved the ignition performance of the system
by eliminating the energy loss associated with the
spark plug cables and the exhaust stroke ignition.
•
Other control systems are basically the same as
those of the 2.4L engine installed in the LANCER
WAGON.
.
System Configuration Diagram
AK101328AF
1
2
3
4
MASS AIRFLOW
SENSOR
INTAKE AIR
TEMPERATURE SENSOR
ENGINE COOLANT
TEMPERATURE SENSOR
CAMSHAFT POSITION
SENSOR
CRANKSHAFT POSITION
SENSOR
TRANSMISSION RANGE
SWITCH
IGNITION SWITCH-ST
KNOCK SENSOR
PCM
IGNITION
COIL
SPARK PLUG
CYLINDER NO.
IGNITION
SWITCH-ST
BATTERY
FAN CONTROL (RADIATOR, A/C CONDENSOR)
MULTIPORT FUEL SYSTEM (MFI) <2.4L ENGINE>
13A-8
FAN CONTROL (RADIATOR, A/C CONDENSOR)
M2132022500015
•
The powertrain control module (PCM) turns on
the lower speed power transistor, so that the fan
control relay is in ON position, and then the radia-
tor fan and A/C condenser fan motors rotate
slowly. PCM turns on the higher speed power
transistor, so that radiator fan and A/C condenser
fan motors rotate highly.
•
PCM performs the rotation control for the radiator
fan and A/C condenser fan motors corresponding
to the engine coolant temperature and vehicle
speed by controlling (both of the higher and lower
speed) power transistor.
.
AK304054
IG2
ST
LOCK
ACC
IG1
R
M
M
CONDENSER
FAN RELAY
FAN CONTROL RELAY
IGNITION
SWITCH
POWERTRAIN CONTROL
MODULE (PCM)
RADIATOR
FAN MOTOR
RADIATOR
FAN RELAY
CONDENSER
FAN MOTOR
(LOW SPEED
SIDE)
(HIGH SPEED
SIDE)
BATTERY
AB
OTHER CONTROL FUNCTIONS
MULTIPORT FUEL SYSTEM (MFI) <2.4L ENGINE>
13A-9
OTHER CONTROL FUNCTIONS
M2132010000228
The following items are basically the same as those
for the 2.4L engine installed in the LANCER
WAGON.
•
Valve Timing and Lift Switching Control
•
Power Supply and Fuel Pump Control
•
Generator Control
•
Heated Oxygen Sensor Heater Control
•
A/C Compressor Clutch Relay Control
•
EVAP Emission Control
•
EGR Control
ON-BOARD DIAGNOSTICS
M2132009000257
The powertrain control module (PCM) has been pro-
vided with the following functions for easier system
inspection.
.
Diagnostic Trouble Codes and Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine
Lamp) Function
The diagnostic trouble code and malfunction indicator lamp (SERVICE ENGINE SOON or Check Engine
Lamp) items are shown in the following table.
NOTE: *1: Diagnostic Trouble Code
NOTE: *2: Malfunction Indicator Lamp
DTC*
1
DIAGNOSTIC ITEM
MIL*
2
ITEM
−
Powertrain control module (PCM) malfunction
×
P0101
Mass airflow circuit range/performance problem
×
P0102
Mass airflow circuit low input
×
P0103
Mass airflow circuit high input
×
P0106
Manifold absolute pressure circuit range/performance problem
×
P0107
Manifold absolute pressure circuit low input
×
P0108
Manifold absolute pressure circuit high input
×
P0111
Intake air temperature circuit range/performance problem
×
P0112
Intake air temperature circuit low input
×
P0113
Intake air temperature circuit high input
×
P0116
Engine coolant temperature circuit range/performance problem
×
P0117
Engine coolant temperature circuit low input
×
P0118
Engine coolant temperature circuit high input
×
P0122
Throttle position sensor (main) circuit low input
×
P0123
Throttle position sensor (main) circuit high input
×
P0125
Insufficient coolant temperature for closed loop fuel control
×
P0128
Coolant thermostat (Coolant temperature below thermostat regulating
temperature)
×
P0130
Cylinder 1, 4 heated oxygen sensor circuit (sensor 1)
×
P0131
Cylinder 1, 4 heated oxygen sensor circuit low voltage (sensor 1)
×
P0132
Cylinder 1, 4 heated oxygen sensor circuit high voltage (sensor 1)
×
P0133
Cylinder 1, 4 heated oxygen sensor circuit slow response (sensor 1)
×
ON-BOARD DIAGNOSTICS
MULTIPORT FUEL SYSTEM (MFI) <2.4L ENGINE>
13A-10
P0134
Cylinder 1, 4 heated oxygen sensor circuit no activity detected (sensor 1)
×
P0135
Cylinder 1, 4 heated oxygen sensor heater circuit (sensor 1)
×
P0136
Cylinder 1, 4 heated oxygen sensor circuit (sensor 2)
×
P0137
Cylinder 1, 4 heated oxygen sensor circuit low voltage (sensor 2)
×
P0138
Cylinder 1, 4 heated oxygen sensor circuit high voltage (sensor 2)
×
P0139
Cylinder 1, 4 heated oxygen sensor circuit slow response (sensor 2)
×
P0141
Cylinder 1, 4 heated oxygen sensor heater circuit (sensor 2)
×
P0150
Cylinder 2, 3 heated oxygen sensor circuit (sensor 1)
×
P0151
Cylinder 2, 3 heated oxygen sensor circuit low voltage (sensor 1)
×
P0152
Cylinder 2, 3 heated oxygen sensor circuit high voltage (sensor 1)
×
P0153
Cylinder 2, 3 heated oxygen sensor circuit slow response (sensor 1)
×
P0154
Cylinder 2, 3 heated oxygen sensor circuit no activity detected (sensor 1)
×
P0155
Cylinder 2, 3 heated oxygen sensor heater circuit (sensor 1)
×
P0156
Cylinder 2, 3 heated oxygen sensor circuit (sensor 2)
×
P0157
Cylinder 2, 3 heated oxygen sensor circuit low voltage (sensor 2)
×
P0158
Cylinder 2, 3 heated oxygen sensor circuit high voltage (sensor 2)
×
P0159
Cylinder 2, 3 heated oxygen sensor circuit slow response (sensor 2)
×
P0161
Cylinder 2, 3 heated oxygen sensor heater circuit (sensor 2)
×
P0171
System too lean (cylinder 1, 4)
×
P0172
System too rich (cylinder 1, 4)
×
P0174
System too lean (cylinder 2, 3)
×
P0175
System too rich (cylinder 2, 3)
×
P0181
Fuel tank temperature sensor circuit range/performance
×
P0182
Fuel tank temperature sensor circuit low input
×
P0183
Fuel tank temperature sensor circuit high input
×
P0201
Injector circuit-cylinder 1
×
P0202
Injector circuit-cylinder 2
×
P0203
Injector circuit-cylinder 3
×
P0204
Injector circuit-cylinder 4
×
P0222
Throttle position sensor (sub) circuit low input
×
P0223
Throttle position sensor (sub) circuit high input
×
P0300
Random/multiple cylinder misfire detected
×
P0301
Cylinder 1 misfire detected
×
P0302
Cylinder 2 misfire detected
×
P0303
Cylinder 3 misfire detected
×
P0304
Cylinder 4 misfire detected
×
P0325
Knock sensor circuit
−
DTC*
1
DIAGNOSTIC ITEM
MIL*
2
ITEM
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